Airworthiness Directive · Amendment 39-13874 · Empresa Brasileira de Aeronautica S.A. (EMBRAER) Model EMB-135 and -145 Series Airplanes
Empresa Brasileira de Aeronautica S.A. (EMBRAER) Model EMB-135 and -145 Series Airplanes
Model EMB-135 and -145 series airplanes, as listed in EMBRAER Service Bulletin 145-26-0010, Change 03, dated August 28, 2002; certificated in any category.
This amendment supersedes an existing airworthiness directive (AD), applicable to certain EMBRAER Model EMB-135 and -45 series airplanes. The existing AD currently requires a one-time inspection to detect incorrect wiring of the electrical connectors to the pressure switches and cartridges on the fire extinguisher bottles for the engines and the auxiliary power unit (APU); disconnection and reconnection of the wiring, as necessary; and adjustment of the length of the harnesses on the fire extinguisher bottles to avoid future misconnections. This amendment requires additional adjustment of the length of the harnesses; installation of a color-coded identification system to avoid misconnections during maintenance; and a functional test of the engine fire extinguisher system. This amendment also expands the applicability of the existing AD to include additional airplanes. The actions specified by this AD are intended to prevent the issuance of erroneous commands or the receipt of erroneous information pertaining to the fire extinguisher system for the engines and the APU, which could result in the inability to put out a fire in an engine or in the APU. This action is intended to address the identified unsafe condition.
To prevent the issuance of erroneous commands or the receipt of erroneous information pertaining to the fire extinguisher system for the engines and auxiliary power unit (APU), which could result in the inability to put out a fire in an engine or in the APU, accomplish the following:
(a) For airplanes listed in EMBRAER Service Bulletin 145-26-0009, dated January 26, 2001: Within 100 flight hours after June 8, 2001 (the effective date of AD 2001-10-15, amendment 39-12241), perform a one-time general visual inspection to detect incorrect wiring of electrical connectors to the pressure switches and cartridges on the fire extinguisher bottles for the engines and the APU, in accordance with paragraph 3.D. of the Accomplishment Instructions of EMBRAER Service Bulletin 145-26-0009, dated January 26, 2001; or Change 01, dated June 25, 2001.
Note 1: For the purposes of this AD, a general visual inspection is defined as: “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 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.”
(1) If the wiring connections are correct: Prior to further flight, adjust the length of the harnesses to the fire extinguisher bottles, in accordance with the service bulletin.
(2) If the wiring connections are incorrect: Prior to further flight, re-connect them and adjust the length of the harnesses to the fire extinguisher bottles, in accordance with the service bulletin.
(b) For airplanes not subject to paragraph (a) of this AD: Within 100 flight hours after the effective date of this AD, perform a one-time general visual inspection to detect incorrect wiring of electrical connectors to the pressure switches and cartridges on the fire extinguisher bottles for the engines and the APU, in accordance with paragraph 3.D. of the Accomplishment Instructions of EMBRAER Service Bulletin 145-26-0009, Change 01, dated June 25, 2001.
(1) If the wiring connections are correct: Prior to further flight, adjust the length of the harnesses to the fire extinguisher bottles, in accordance with the service bulletin.
(2) If the wiring connections are incorrect: Prior to further flight, re-connect them and adjust the length of the harnesses to the fire extinguisher bottles, in accordance with the service bulletin.
(c) For all airplanes: Within 4,000 flight hours after the effective date of this AD, modify the electrical harnesses and electrical connectors of the engine and APU fire extinguisher system, including installing identification sleeves and color-coded identification stickers, in accordance with the Accomplishment Instructions of EMBRAER Service Bulletin 145-26-0010, Change 03, dated August 28, 2002.
(d) As of the effective date of this AD, no person may install on any airplane, engine fire extinguisher bottle part number (P/N) 33600057-1 or P/N 33600057-5, serial number (S/N) 26916D1 through 42300D1 inclusive; and APU fire extinguisher bottles P/N 30100050-1 or P/N 30100050-5, S/N 30209A1 through S/N 38950A1, inclusive; unless color-coded stickers are installed in accordance with paragraph (c) of this AD.
(e) Actions accomplished prior to the effective date of this AD in accordance with EMBRAER Service Bulletin 145-26-0010, dated June 25, 2001; Change 01, dated January 3, 2002; or Change 02, dated June 5, 2002; are considered acceptable for compliance with the corresponding actions specified in this AD.
(f) In accordance with 14 CFR 39.19, the Manager, International Branch, ANM-116, FAA, Transport Airplane Directorate, is authorized to approve alternative methods of compliance for this AD.
(g) Unless otherwise specified in this AD, the actions shall be done in accordance with EMBRAER Service Bulletin 145-26-0009, dated January 26, 2001, or EMBRAER Service Bulletin 145-26-0009, Change 01, dated June 25, 2001; and EMBRAER Service Bulletin 145-26-0010, Change 03, dated August 28, 2002; as applicable.
(1) The incorporation by reference of EMBRAER Service Bulletin 145-26-0009, Change 01, dated June 25, 2001; and EMBRAER Service Bulletin 145-26-0010, Change 03, dated August 28, 2002; is approved by the Director of the Federal Register in accordance with 5 U.S.C. 552(a) and 1 CFR part 51. EMBRAER Service Bulletin 145-26-0010, Change 03, dated August 28, 2002, contains the following effective pages:
| Page number | Change level shown on page | Date shown on page |
|---|---|---|
| 1-3, 8 | 03 | August 28, 2002. |
| 4-7, 9-24, 39-41 | Original | June 25, 2001. |
| 25-38 | 01 | January 3, 2002. |
(2) The incorporation by reference of EMBRAER Service Bulletin 145-26-0009, dated January 26, 2001, was approved previously by the Director of the Federal Register as of June 8, 2001 (66 FR 28646, May 24, 2001).
(3) Copies may be obtained from Empresa Brasileira de Aeronautica S.A. (EMBRAER), P.O. Box 343—CEP 12.225, Sao Jose dos Campos—SP, Brazil. Copies may be inspected at the FAA, Transport Airplane Directorate, 1601 Lind Avenue, SW., Renton, Washington; or at the National Archives and Records Administration (NARA). For information on the availability of this material at NARA, call (202) 741-6030, or go to: http://www.archives.gov/federal_register/code_of_federal_regulations/ibr_locations.html.
Note 2: The subject of this AD is addressed in Brazilian airworthiness directive 2001-09-01R1, dated June 26, 2002.
