33 Airworthiness Directives: 26 airplane, 5 rotorcraft, 1 engine, 1 glider.
AD 2008-16-06 · published Aug 5, 2008, effective Sep 9, 2008
BAE Systems (Operations) Limited (Jetstream) Model 4101 Airplanes
We are adopting a new airworthiness directive (AD) for the products listed above. This AD results from mandatory continuing airworthiness information (MCAI) originated by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as:
AD 2008-16-07 · published Aug 5, 2008, effective Sep 9, 2008
Bombardier Model DHC-8-400, -401 and -402 Airplanes
We are adopting a new airworthiness directive (AD) for the products listed above. This AD results from mandatory continuing airworthiness information (MCAI) originated by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as:
AD 2008-16-08 · published Aug 5, 2008, effective Sep 9, 2008
Dassault Model Falcon 2000EX Airplanes
We are adopting a new airworthiness directive (AD) for the products listed above. This AD results from mandatory continuing airworthiness information (MCAI) originated by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as:
AD 2008-16-12 · published Aug 5, 2008, effective Sep 9, 2008
Boeing Model 777-200 Series Airplanes
We are adopting a new airworthiness directive (AD) for certain Boeing Model 777-200 series airplanes. This AD requires repetitive inspections for any wrinkle in certain external skin panels, and for cracking at the fuselage bulkhead shear tie end fastener locations at certain stations of Section 48 of the fuselage; and doing related investigative and corrective actions if necessary. This AD results from a report of cracks found in the external skin on the left and right sides of the Section 48 panel of the fuselage on two airplanes with skin wrinkles found at two of the external crack locations. We are issuing this AD to detect and correct wrinkles and cracks in certain external skin panels of Section 48, which could join together and result in reduced structural integrity of support structure for the vertical and horizontal stabilizers and inability of the airplane to sustain limit loads.
AD 2008-16-13 · published Aug 5, 2008, effective Sep 9, 2008
Boeing Model 737-600, -700, -700C, -800, -900, and -900ER Series Airplanes
We are adopting a new airworthiness directive (AD) for certain Boeing Model 737-600, -700, -700C, -800, -900, and -900ER series airplanes. This AD requires replacing the pushrods for the left and right elevator tab control mechanisms with new, improved pushrods. This AD results from a report of a rod end fracture on a rudder power control unit (PCU) control rod, which is similar to the ones used for the elevator tab pushrods. Analysis revealed that the fractured rod end had an incorrect hardness, which had probably occurred during the manufacture of the control rod. We are issuing this AD to prevent fracture of the elevator tab pushrod ends, which could result in excessive in-flight vibrations of the elevator tab, possible loss of the elevator tab, and consequent loss of controllability of the airplane.
AD 2008-16-15 · published Aug 7, 2008, effective Aug 7, 2008
Eclipse Aviation Corporation Model EA500 Airplanes
The FAA is superseding emergency Airworthiness Directive (AD) 2008-13-51, which currently applies to all owners/operators of Eclipse Aviation Corporation (Eclipse) Model EA500 airplanes that received the emergency AD by letter issued June 12, 2008. Emergency AD 2008-13-51 requires owner/operators to insert temporary revisions into the emergency and normal procedures sections of the airplane flight manual (AFM), do a pilot evaluation of the throttles with replacement as necessary, and report the evaluation results to the FAA. Emergency AD 2008-13-51 was the result of the throttle position exceeding its maximum range. Since issuing that AD, Eclipse developed an FAA-approved test procedure and issued Eclipse Aviation Alert Service Bulletin SB 500-76-001, REV B, dated July 22, 2008. The service bulletin provides a standardized procedure for testing and modifying (as applicable) the throttle lever with replacement as necessary. We are issuing this AD to mandate the actions in this service bulletin to be done by a person authorized to perform maintenance and reduce the likelihood of the throttle position signal exceeding its maximum range, which could cause loss of left and right engine control. This condition could result in the inability to maintain desired airspeed and/or altitude with consequent loss of control.
AD 2008-16-09 · published Aug 11, 2008, effective Sep 15, 2008
Short Brothers Model SD3-60 Airplanes
The FAA is superseding two existing airworthiness directives (ADs), which apply to all Short Brothers Model SD3-60 airplanes. One of the ADs currently requires inspection of the welded joints of the balance weight brackets for the elevator trim tabs for cracking; repetitive inspections, as applicable; and corrective actions including the eventual replacement of all brackets. The other AD currently requires, for certain airplanes, repetitive inspections for cracking of the balance weight brackets and replacement of any cracked bracket, and provides for an optional terminating action for the repetitive inspections. This new AD requires an additional inspection to detect cracks of the balance weight brackets, applicable related investigative and corrective actions, and replacement of a certain balance weight bracket when it has reached its maximum life limit. This AD results from a report indicating that several reworked balance weight brackets have exhibited signs of premature failure. We are issuing this AD to prevent failure of the balance weight brackets of the elevator trim tabs, which could cause loss of the balance weight. This could result in incorrect trim during takeoff and landing, and reduced controllability of the airplane.
AD 2008-13-09 · published Aug 13, 2008, effective Sep 17, 2008
Bombardier Model DHC-8-102, DHC-8-103, DHC-8-106, DHC-8-201, DHC-8-202, DHC-8-301, DHC-8-311, and DHC-8-315 Airplanes
We are adopting a new airworthiness directive (AD) for the products listed above. This AD results from mandatory continuing airworthiness information (MCAI) originated by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as:
AD 2008-16-11 · published Aug 13, 2008, effective Sep 17, 2008
McDonnell Douglas Model DC-8-61, DC-8-61F, DC-8-63, DC-8-63F, DC-8-71F, and DC-8-73F Airplanes
We are adopting a new airworthiness directive (AD) for certain McDonnell Douglas Model DC-8-61, DC-8-61F, DC-8-63, DC-8-63F, DC-8-71F, and DC-8-73F airplanes. For certain airplanes, this AD requires non- destructive testing (NDT) to detect cracks of the door jamb corners of the forward and aft service doors, and doing applicable related investigative and corrective actions. For certain other airplanes, this AD requires inspecting and repairing if necessary or replacing previously repaired door jamb corners with an applicable repair. This AD results from reports of numerous cases of cracks in the skin at the door jamb corners of the forward and aft service doors. We are issuing this AD to detect and correct fatigue cracking of door jamb corners of the forward and aft service doors, which could adversely affect the structural integrity of the airplane.
AD 2008-16-14 · published Aug 13, 2008, effective Sep 17, 2008
Boeing Model 747-100, 747-100B, 747-100B SUD, 747-200B, 747-200C, 747-200F, 747-300, 747-400, 747SR, and 747SP Series Airplanes
The FAA is superseding an existing airworthiness directive (AD), which applies to certain Boeing Model 747 series airplanes. That AD currently requires inspecting to detect cracking in certain lower lobe fuselage skin lap joints, doing repetitive inspections for cracking at certain fastener locations having countersunk fasteners, and replacing countersunk fasteners with protruding head fasteners at certain fastener locations. This new AD requires replacing a previous high-frequency eddy current (HFEC) inspection method with a new HFEC inspection method, adding a one-time inspection for cracking of certain airplanes, and terminating the adjustment factor for the inspection compliance times based on cabin differential pressure. This AD also requires inspecting additional lap joints. This AD results from reports of fuselage skin cracks found at certain countersunk fastener locations in the upper row of lap joints near the wing-to-body fairings, and from a report that the presence of Alodine-coated rivets could cause faulty results during the required inspections using the optional sliding probe HFEC inspection method specified in the existing AD. We are issuing this AD to prevent reduced structural integrity of the fuselage.
AD 2008-16-19 · published Aug 13, 2008, effective Sep 17, 2008
Pilatus Aircraft Ltd. Model PC-6 Airplanes
We are adopting a new airworthiness directive (AD) for the products listed above. This AD results from mandatory continuing airworthiness information (MCAI) issued by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as:
AD 2008-16-20 · published Aug 13, 2008, effective Sep 17, 2008
Diamond Aircraft Industries GmbH Model DA 42 Airplanes
We are adopting a new airworthiness directive (AD) for the products listed above. This AD results from mandatory continuing airworthiness information (MCAI) issued by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as:
AD 2008-17-01 · published Aug 13, 2008, effective Sep 17, 2008
Dornier Model 328-100 Airplanes
The FAA is superseding an existing airworthiness directive (AD), which applies to all AvCraft Dornier Model 328-100 airplanes. That AD currently requires modifying the electrical wiring of the fuel pumps; installing insulation at the hand flow control and shut-off valves, and other components of the environmental control system; and installing markings at fuel wiring harnesses. The existing AD also requires revising the Airworthiness Limitations section of the Instructions for Continued Airworthiness to incorporate new inspections of the fuel tank system. This new AD replaces the flight-hour-based threshold for conducting certain initial inspections, with an 8-year threshold. This AD results from fuel system reviews conducted by the manufacturer. We are issuing this AD to reduce the potential of ignition sources inside fuel tanks, which, in combination with flammable fuel vapors, could result in fuel tank explosions and consequent loss of the airplane.
AD 2008-17-02 · published Aug 13, 2008, effective Sep 17, 2008
Airbus Model A310 Airplanes
We are superseding an existing airworthiness directive (AD) for the products listed above. This AD results from mandatory continuing airworthiness information (MCAI) originated by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as:
AD 2008-17-03 · published Aug 19, 2008, effective Sep 23, 2008
Boeing Model 737-100, -200, -200C, -300, -400, and -500 Series Airplanes
We are adopting a new airworthiness directive (AD) for certain Boeing Model 737-100, -200, -200C, -300, -400, and -500 series airplanes. This AD requires repetitive inspections to detect cracking of the body station 303.9 frame, and corrective action if necessary. This AD also provides for optional terminating action for the repetitive inspections. This AD results from reports of cracks found at the cutout in the web of body station frame 303.9 inboard of stringer 16L. We are issuing this AD to detect and correct such cracking, which could prevent the left forward entry door from sealing correctly, and could cause in-flight decompression of the airplane.
AD 2008-17-04 · published Aug 19, 2008, effective Sep 23, 2008
BAE Systems (Operations) Limited (Jetstream) Model 4101 Airplanes
We are adopting a new airworthiness directive (AD) for the products listed above. This AD results from mandatory continuing airworthiness information (MCAI) originated by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as:
AD 2008-17-05 · published Aug 19, 2008, effective Sep 23, 2008
Empresa Brasileira de Aeronautica S.A. (EMBRAER) Model EMB-135 Airplanes, and Model EMB-145, -145ER, -145MR, -145LR, -145XR, -145MP, and -145EP Airplanes
The FAA is superseding an existing airworthiness directive (AD), which applies to certain EMBRAER Model EMB-135 airplanes and Model EMB-145, -145ER, -145MR, -145LR, -145XR, -145MP, and -145EP airplanes. That AD currently requires replacing the metallic tubes enclosing the vent and pilot valve wires in the left- and right-hand wing fuel tanks with non-conductive hoses. This new AD adds airplanes to the applicability of the existing AD. This AD results from fuel system reviews conducted by the manufacturer. We are issuing this AD to prevent an ignition source inside the fuel tank that could ignite fuel vapor and cause a fuel tank explosion and loss of the airplane.
AD 2008-17-07 · published Aug 19, 2008, effective Sep 23, 2008
APEX Aircraft Model CAP 10 B Airplanes
We are adopting a new airworthiness directive (AD) for the products listed above. This AD results from mandatory continuing airworthiness information (MCAI) issued by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as:
AD 2008-17-09 · published Aug 19, 2008, effective Sep 23, 2008
EADS SOCATA Model TBM 700 Airplanes
We are superseding an existing airworthiness directive (AD) for the products listed above. This AD results from mandatory continuing airworthiness information (MCAI) issued by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as:
AD 2008-17-10 · published Aug 28, 2008, effective Oct 2, 2008
Boeing Model 707 Airplanes, and Model 720 and 720B Series Airplanes
We are adopting a new airworthiness directive (AD) for certain Boeing Model 707 airplanes, and Model 720 and 720B series airplanes. This AD requires repetitive detailed inspections to detect cracks and corrosion on any existing repairs and at certain body stations of the visible surfaces of the wing to body terminal fittings including the web, flanges, and ribs; and applicable related investigative and corrective actions. This AD results from reports of cracks found in the wing to body terminal fittings during routine inspections. We are issuing this AD to prevent cracks and corrosion in the body terminal fittings, which could cause loss of support for the wing and could adversely affect the structural integrity of the airplane.
AD 2008-17-11 · published Aug 28, 2008, effective Oct 2, 2008
Empresa Brasileira de Aeronautica S.A. (EMBRAER) Model ERJ 170 Airplanes and Model ERJ 190 Airplanes
We are adopting a new airworthiness directive (AD) for the products listed above. This AD results from mandatory continuing airworthiness information (MCAI) originated by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as:
AD 2008-17-12 · published Aug 28, 2008, effective Oct 2, 2008
Airbus Model A318, A319, A320, and A321 Series Airplanes Equipped With Certain Northrop Grumman (Formerly Litton) Air Data Inertial Reference Units
The FAA is superseding an existing airworthiness directive (AD), which applies to certain Airbus Model A319, A320, and A321 series airplanes equipped with certain Litton air data inertial reference units (ADIRUs). That AD currently requires modifying the shelf (floor panel) above ADIRU 3, modifying the polycarbonate guard that covers the ADIRUs for certain airplanes, and modifying the ladder located in the avionics compartment for certain airplanes. This new AD requires those modifications on additional airplanes. This new AD also requires replacing all three ADIRUs with improved ADIRUs. This new AD also adds Model A318 series airplanes to the applicability. This AD results from reports that "NAV IR FAULT" messages have occurred during takeoff due to failure of an ADIRU and subsequent analysis showing that the shelf modification has not sufficiently addressed failure of an ADIRU. We are issuing this AD to prevent failure of an ADIRU during flight, which could result in loss of one source of critical attitude and airspeed data and reduce the ability of the flightcrew to control the airplane.
AD 2008-17-14 · published Aug 28, 2008, effective Oct 2, 2008
Boeing Model 727 Airplanes
The FAA is superseding an existing airworthiness directive (AD), which applies to certain Boeing Model 727 series airplanes. That AD currently requires repetitive inspections to detect cracks and loose brackets of the elevator rear spar, and corrective actions if necessary. The existing AD also provides for an optional terminating action for the repetitive inspections. This new AD reduces the repetitive intervals of the inspections, mandates the previously optional terminating action for the repetitive inspections, and no longer allows stop-drilling. This AD results from new reports of cracks, elongated fastener holes, and loose fittings of the elevator rear spar. We are issuing this AD to prevent cracking of the elevator rear spar at the tab hinge locations, which could cause excessive freeplay of the elevator control tab and possible tab flutter, and consequent loss of control of the airplane.
AD 2008-17-15 · published Aug 28, 2008, effective Oct 2, 2008
Boeing Model 737-600, -700, -800, and -900 Series Airplanes
We are adopting a new airworthiness directive (AD) for certain Boeing Model 737-600, -700, -800, and -900 series airplanes. This AD requires installing hot short protector (HSP) support brackets and equipment for the fuel quantity indicating system (FQIS) fuel densitometer and other specified actions as applicable. This AD also requires revising the Airworthiness Limitations (AWLs) section of the Instructions for Continued Airworthiness to incorporate AWL No. 28-AWL- 07. This AD results from fuel system reviews conducted by the manufacturer. We are issuing this AD to prevent the center tank fuel densitometer from overheating and becoming a potential ignition source inside the center fuel tank, which, in combination with flammable fuel vapors, could result in a center fuel tank explosion and consequent loss of the airplane.
AD 2008-17-16 · published Aug 28, 2008, effective Oct 2, 2008
McDonnell Douglas Model DC-10-10 and DC-10-10F Airplanes, Model DC-10-15 Airplanes, Model DC-10-30 and DC-10-30F (KC-10A and KDC-10) Airplanes, Model DC-10-40 and DC-10-40F Airplanes, Model MD-10-10F and MD-10-30F Airplanes, and Model MD-11 and MD-11F Airplanes
The FAA is adopting a new airworthiness directive (AD) for certain transport category airplanes identified above. This AD requires modifying the fuel boost pumps. This AD results from a fuel boost pump found with blown thermal fuses and a fractured thrust washer. We are issuing this AD to prevent failure of the fuel boost pumps, which could lead to the potential of ignition sources inside fuel tanks. This condition, in combination with flammable fuel vapors, could result in fuel tank explosions and consequent loss of the airplane.
AD 2008-17-17 · published Aug 28, 2008, effective Oct 2, 2008
Boeing Model 747 Airplanes
We are adopting a new airworthiness directive (AD) for all Boeing Model 747 airplanes. This AD requires a one-time inspection of certain fuselage skins at section 41 to find any external doublers that cover the inspection areas and to identify the external doublers that end on a stringer and those that do not, and related investigative and corrective actions if necessary. This AD results from reports of cracks found at fastener locations in the fuselage skins at section 41. We are issuing this AD to detect and correct fuselage skin cracks at fastener locations along the skin-to-stringer attachments, which could join together and become large and consequently result in rapid decompression of the cabin.
AD 2008-16-04 · published Aug 11, 2008, effective Sep 15, 2008
Bell Helicopter Textron Canada (BHTC) Model 222, 222B, and 222U Helicopters
We are adopting a new airworthiness directive (AD) for BHTC Model 222, 222B, and 222U helicopters. This AD results from mandatory continuing airworthiness information (MCAI) issued by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The aviation authority of Canada, with which we have a bilateral agreement, states in the MCAI: "It has been determined that the existing rigging procedures for the tail rotor pitch change mechanism have to be changed due to possibility of parts interference." The cumulative effect of individual part tolerances resulting in the total assemblage of those parts being out of tolerance could result in the tail rotor yoke striking another part other than the flapping stop (parts interference) cited in the MCAI. Also, the misalignment of the tail rotor counterweight bellcrank may result in higher tail rotor pedal forces and a higher pilot workload after failure of the No. 1 hydraulic system. Both parts interference and the misaligned counterweight bellcrank create an unsafe condition. We are issuing this AD to require actions that are intended to address these unsafe conditions.
AD 2008-16-16 · published Aug 11, 2008, effective Sep 15, 2008
Bell Helicopter Textron Canada (BHTC) Model 230 Helicopters
We are adopting a new airworthiness directive (AD) for BHTC Model 230 helicopters. This AD results from mandatory continuing airworthiness information (MCAI) issued by the aviation authority of Canada which indicates that the existing rigging procedures for the tail rotor pitch change mechanism have to be changed due to the possibility of parts interference. The cumulative effect of individual part tolerances resulting in the total assemblage of those parts being out of tolerance could result in the tail rotor yoke striking another part other than the flapping stop (parts interference) as cited in the MCAI. Also, the misalignment of the tail rotor counterweight bellcrank may result in higher tail rotor pedal forces and a higher pilot workload after failure of the No. 1 hydraulic system. Both parts interference and the misaligned counterweight bellcrank create an unsafe condition. This AD requires actions that are intended to address these unsafe conditions.
AD 2008-16-17 · published Aug 15, 2008, effective Sep 2, 2008
PZL Swidnik S. A. Model W-3A Helicopters
We are adopting a new airworthiness directive (AD) for the PZL Swidnik S. A. (PZL) Model W-3A helicopters. This AD results from mandatory continuing airworthiness information (MCAI) issued by the European Aviation Safety Agency (EASA), which is the Technical Agent for the Member States of the European Community. The MCAI states: "In PZL W-3A helicopter S/N 37.07.05, and previously also in the PZL W-3AS model helicopters, leakage was found in the pipe 37.59.006.00.00 installed in the pressure line of hydraulic system 2, in the part between the hydraulic block and the ground hydraulic unit panel. The hydraulic system in the part between hydraulic blocks and the ground hydraulic unit panel is used only during periodical inspections, for the performance of which it is required to use the hydraulic power unit. This condition, if not corrected, could result in a fire hazard." The actions specified in this AD are intended to prevent this unsafe condition.
AD 2008-16-18 · published Aug 11, 2008, effective Sep 15, 2008
Rolls-Royce plc RB211-524 Series Turbofan Engines
We are adopting a new airworthiness directive (AD) for the products listed above. This AD results from mandatory continuing airworthiness information (MCAI) issued by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as:
AD 2008-17-08 · published Aug 19, 2008, effective Sep 23, 2008
DG Flugzeugbau GmbH Model DG-500MB Powered Sailplanes
We are adopting a new airworthiness directive (AD) for the products listed above. This AD results from mandatory continuing airworthiness information (MCAI) issued by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as:
