Airworthiness Directive · Amendment 39-14848 · Empresa Brasileira de Aeronautica S.A. (EMBRAER) Model EMB-135ER and -135KE Airplanes; and Model EMB-145, -145ER, -145MR, -145MP, and -145EP Airplanes
Empresa Brasileira de Aeronautica S.A. (EMBRAER) Model EMB-135ER and -135KE Airplanes; and Model EMB-145, -145ER, -145MR, -145MP, and -145EP Airplanes
This AD applies to all EMBRAER Model EMB-135ER and -135KE airplanes and Model EMB-145, -145ER, -145MR, -145MP, and -145EP airplanes; certificated in any category.
The FAA is adopting a new airworthiness directive (AD) for all EMBRAER Model EMB-135ER and -135KE airplanes and Model EMB-145, -145ER, -145MR, -145MP, and -145EP airplanes. This AD requires inspecting the fuel quantity indication system (FQIS) wire harness and the direct current (DC) fuel pump wire harness to determine if the harnesses are properly attached at their respective attachment points and properly separated from one another, and performing corrective actions if necessary. This AD results from a report that the FQIS wire harness may not be properly attached at its attachment points or properly separated from the DC fuel pump wire harness. We are issuing this AD to prevent chafing between those harnesses or chafing of the harnesses against adjacent airplane structure or components, which could present a potential ignition source that could result in a fire or explosion.
You are responsible for having the actions required by this AD performed within the compliance times specified, unless the actions have already been done.
Within 5,000 flight hours after the effective date of this AD: Do a one-time general visual inspection of the FQIS wire harness and the DC fuel pump wire harness to determine if the harnesses are properly attached at their respective attachment points and properly separated from one another, and do all applicable corrective actions, in accordance with the Accomplishment Instructions of EMBRAER Service Bulletin 145-28-0025, Revision 05, dated May 23, 2006. All applicable corrective actions must be done before further flight.
Note 1: For the purposes of this AD, a general visual inspection is: “A visual examination of an interior or exterior area, installation, or assembly to detect obvious damage, failure, or irregularity. This level of inspection is made from within touching distance unless otherwise specified. A mirror may be necessary to ensure visual access to all surfaces in the inspection area. This level of inspection is made under normally available lighting conditions such as daylight, hangar lighting, flashlight, or droplight and may require removal or opening of access panels or doors. Stands, ladders, or platforms may be required to gain proximity to the area being checked.”
If any broken, frayed, cracked, or damaged wire, or a damaged harness, is found: Before further flight, repair the damaged wire or harness in accordance with a method approved by the Manager, International Branch, ANM-116, Transport Airplane Directorate, FAA. One approved method is using Section 20-21-00 of the EMBRAER Standard Wiring Practices Manual.
Actions done before the effective date of this AD in accordance with one of the service bulletins identified in Table 1 of this AD are acceptable for compliance with the corresponding actions required by this AD.
| Embraer Service Bulletin | Revision level | Date |
|---|---|---|
| 145-28-0025 | Original | April 19, 2004. |
| 145-28-0025 | 01 | June 9, 2004. |
| 145-28-0025 | 02 | November 8, 2004. |
| 145-28-0025 | 03 | April 28, 2005. |
| 145-28-0025 | 04 | November 7, 2005. |
The aircraft, engines and makers this AD names, by the model designations in its text. A model listed here may still be outside the AD's serial ranges.
