Airworthiness Directive · Amendment 39-13909 · 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 145LEG-27-0002, Revision 01, dated April 15, 2003; EMBRAER Service Bulletin 145-27-0084, Revision 04, dated October 21, 2003; and EMBRAER Service Bulletin 145-27-0096, Revision 03, dated September 2, 2003; certificated in any category.
This amendment adopts a new airworthiness directive (AD), applicable to certain Model EMB-135 and -145 series airplanes. This AD requires modification of the pitch trim system, which includes replacing certain components of the system with new or serviceable components, and upgrading certain software to a newer version. This action is necessary to prevent the temporary loss of the pitch trim command, which could result in reduced controllability of the airplane and consequent injury to the flightcrew and passengers. This action is intended to address the identified unsafe condition.
To prevent the temporary loss of the pitch trim command, which could result in reduced controllability of the airplane and consequent injury to the flightcrew and passengers, accomplish the following:
(a) Prior to the accomplishment of the actions in paragraph (b) of this AD, accomplish any applicable prior or concurrent requirement listed in paragraph (a)(1) or (a)(2) of this AD.
(1) For airplanes listed in EMBRAER Service Bulletin 145-31-0020, Change 03, dated July 30, 2002, that are equipped with engine indicating and crew alerting system/electronic flight information system (EICAS/EFIS) software version 16.5 or earlier: Upgrade to software version 17 of the EICAS/EFIS software, in accordance with the Accomplishment Instructions of the service bulletin.
(2) For airplanes listed in EMBRAER Service Bulletin 145-27-0083, Change 04, dated November 27, 2002: Install electrical provisions for the new pitch trim system in accordance with the Accomplishment Instructions of the service bulletin.
(b) Within 18 months or 5,000 flight hours after the effective date of this AD, whichever occurs first, but following any applicable prior or concurrent requirement listed in paragraph (a)(1) or (a)(2) of this AD: Modify the pitch trim system for the affected airplanes by accomplishing the actions in paragraphs (b)(1), (b)(2), (b)(3), (b)(4), (b)(5), (b)(6), and (b)(7), as applicable. Accomplish the actions in the sequence specified in this AD.
(1) For all airplanes: Replace the horizontal stabilizer control unit (HSCU) with a new unit with improved features, and having a new part number, in accordance with paragraph 3.J. (Part I) of EMBRAER Service Bulletin 145LEG-27-0002, Revision 01, dated April 15, 2003 (for Model EMB-135BJ series airplanes); or paragraph 3.J. (Part I) of EMBRAER Service Bulletin 145-27-0084, Revision 04, dated October 21, 2003 (for Model EMB-135ER, -135LR, -135KE, and -135KL series airplanes; and Model EMB-145, -145ER, -145MR, -145LR, -145XR, -145MP, and -145EP series airplanes); as applicable.
(2) For airplanes listed in EMBRAER Service Bulletin 145-27-0091, Change 02, dated November 27, 2002: Replace the horizontal stabilizer actuator (HSA) with a new HSA having a new part number in accordance with the Accomplishment Instructions of the service bulletin.
(3) For airplanes listed in EMBRAER Service Bulletin 145-31-0028, Change 04, dated December 20, 2002: Replace the aural warning unit (AWU) with an AWU having improved features and a new part number in accordance with the Accomplishment Instructions of the service bulletin.
Note 1: EMBRAER Service Bulletin 145-31-0028 references Grimes Aerospace Company Service Bulletin 80-0694-33-SB01, dated January 1, 2002, as an additional source of service information for accomplishment of the replacement. The Grimes Aerospace service bulletin is included in the EMBRAER service bulletin.
(4) Replace the IC-600 units in accordance with paragraph (b)(4)(i) or (b)(4)(ii) of this AD.
(i) For airplanes listed in EMBRAER Service Bulletin 145LEG-31-0001, dated August 19, 2002 (for Model EMB-135BJ series airplanes); or EMBRAER Service Bulletin 145-31-0033, Revision 03, dated August 25, 2003 (for Model EMB-135ER, -135LR, -135KE, and -135KL series airplanes; and Model EMB-145, -145ER, -145MR, -145LR, -145XR, -145MP, and -145EP series airplanes): Replace any IC-600 units having part numbers (P/N) 7107000-82407, -82407 MODS-B, -82427, -83407, and -83407 MODS-B, with new IC-600 MOD AB units having P/Ns 7107000-82428 or -83428, as applicable; and install a new software version 18.5 (phase 8.5) of the EICAS/EFIS system for all IC-600 MOD AB hardware. Accomplish the actions in accordance with the Accomplishment Instructions of the applicable service bulletin.
(ii) For airplanes listed in EMBRAER Service Bulletin 145-31-0042, Revision 01, dated January 7, 2004: Replace any IC-600 units having P/N 7107000-82428 and -82438 with new IC-600 units having P/Ns 7017000-82430 or -83430, in accordance with EMBRAER Service Bulletin 145-31-0042, Revision 01, dated January 7, 2004, or Revision 02, dated June 23, 2004. Prior to or concurrently with the actions specified in Revision 01 or 02 of EMBRAER Service Bulletin 145-31-0042, remove or replace certain placards in the cockpit in accordance with the Accomplishment Instructions of EMBRAER Service Bulletin 145-25-0210, dated March 30, 2001; and modify and re-identify the central maintenance computer in accordance with the Accomplishment Instructions of EMBRAER Service Bulletin 145-45-0003, dated July 5, 2000.
Note 2: EMBRAER Service Bulletins 145LEG-31-0001 and 145-31-0033 reference Honeywell Service Bulletin 7017000-22-6089, Revision 003, dated October 16, 2003, as an additional source of service information for accomplishment of the replacement and installation. EMBRAER Service Bulletin 145-31-0042 references Honeywell Service Bulletin 7017000-22-6102, dated November 25, 2003, as an additional source of service information for accomplishment of the replacement with P/Ns 7017000-82430 or -83430.
(5) For airplanes listed in EMBRAER Service Bulletin 145LEG-27-0004, dated January 21, 2003 (for Model EMB-135BJ series airplanes); or EMBRAER Service Bulletin 145-27-0096, Revision 03, dated September 2, 2003 (for Model EMB-135ER, -135LR, -135KE, and -135KL series airplanes; and Model EMB-145, -145ER, -145MR, -145LR, -145XR, -145MP, and -145EP series airplanes): Replace the control yoke pitch trim switch with a new switch having a new part number; and replace the placard around the switch knob, as applicable, with a new placard having a new part number in accordance with the Accomplishment Instructions of the applicable service bulletin.
(6) For airplanes listed in EMBRAER Service Bulletin 145-27-0073, Change 02, dated February 26, 2002: Replace the pitch trim back-up control switch with a new switch having a new part number (including reidentifying the trim control panel) in accordance with the Accomplishment Instructions of the service bulletin.
(7) For all airplanes: Connect the HSCU and the data acquisition unit (DAU) (including the replacement of the pitch trim system circuit breakers with new circuit breakers sized for the new system load capacity, as applicable) in accordance with paragraph 3.K. (Part II) of EMBRAER Service Bulletin 145LEG-27-0002, Revision 01, dated April 15, 2003 (for Model EMB-135BJ series airplanes); or paragraphs 3.K., 3.L., 3.M., and 3.N. (Parts II, III, IV, and V) of EMBRAER Service Bulletin 145-27-0084, Revision 04, dated October 21, 2003 (for Model EMB-135ER, -135LR, -135KE, and -135KL series airplanes; and Model EMB-145, -145ER, -145MR, -145LR, -145XR, -145MP, and -145EP series airplanes).
(c) As of the effective date of this AD, no person may install, on any airplane, a part unless it has been modified in accordance with the applicable paragraph of the affected service bulletins listed in Table 1 of this AD.
| EMBRAER service bulletin | Parts installation paragraph |
|---|---|
| 145-27-0084, Revision 04, dated October 21, 2003 | 1.C.(1)(a). |
| 145LEG-27-0002, Revision 01, dated April 15, 2003 | 1.C.(1)(a). |
| 145-27-0091, Change 02, dated November 27, 2002 | 1.C.(1)(a). |
| 145-31-0028, Change 04, dated December 20, 2002 | 1.C.(a). |
| 145-31-0033, Revision 03, dated August 25, 2003 | 1.C.(1). |
(d) Actions accomplished before the effective date of this AD in accordance with the service bulletins listed in Table 2 of this AD are considered acceptable for compliance with the corresponding actions specified in this AD.
| EMBRAER service bulletin | Change/revision level | Date |
|---|---|---|
| 145-27-0083 | Original | October 4, 2001. |
| 145-27-0083 | 01 | March 15, 2002. |
| 145-27-0083 | 02 | April 11, 2002. |
| 145-27-0083 | 03 | July 16, 2002. |
| 145-27-0084 | 01 | December 20, 2002. |
| 145-27-0084 | 02 | February 25, 2003. |
| 145-27-0084 | 03 | July 15, 2003. |
| 145-27-0096 | 01 | April 7, 2003. |
| 145-27-0096 | 02 | July 1, 2003. |
| 145-31-0028 | Original | December 13, 2001. |
| 145-31-0028 | 01 | January 22, 2002. |
| 145-31-0028 | 02 | April 2, 2002. |
| 145-31-0028 | 03 | August 22, 2002. |
| 145-31-0033 | 02 | April 17, 2003. |
| 145LEG-27-0002 | Original | February 5, 2003. |
(e) 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.
(f) Unless otherwise specified in this AD, the actions shall be done in accordance with the service bulletins in Table 3 of this AD.
| EMBRAER service bulletin | Page No. | Change/revision level | Date |
|---|---|---|---|
| 145-25-0210 | 1-12 | Original | March 30, 2001. |
| 145-27-0073 | 1, 2 | 02 | February 26, 2002. |
| 3, 4 | 01 | August 29, 2000. | |
| 5-9 | Original | June 30, 2000. | |
| 145-27-0083 | 1, 2 | 04 | November 27, 2002. |
| 3-8, 15-30, 33-54 | 01 | March 15, 2002. | |
| 9-12 | 03 | July 16, 2002. | |
| 13, 14, 31, 32 | 02 | April 11, 2002. | |
| 145-27-0084 | 1-4, 6, 11, 12, 15 | 04 | October 21, 2003. |
| 5, 7-10, 13, 14, 16-40 | 03 | July 15, 2003. | |
| 145-27-0091 | 1, 2 | 02 | November 27, 2002. |
| 3-11 | Original | February 8, 2002. | |
| 145-27-0096 | 1-2 | 03 | September 2, 2003. |
| 3, 5-8, 12, 14, 15, 17-22 | Original | December 18, 2002. | |
| 4, 13, 16 | 02 | July 1, 2003. | |
| 9-11 | 01 | April 7, 2003. | |
| 145-31-0020 | 1-81 | 03 | July 30, 2002. |
| 145-31-0028 | 1-17 | 04 | December 20, 2002. |
| 145-31-0033 | 1-5, 9-11, 15, 16, 21-24, 56-58 | 03 | August 25, 2003. |
| 6-8, 12-14, 17-20, 25-55, 59 | 02 | April 17, 2003. | |
| 145-31-0042 | 1-114 | 01 | January 7, 2004. |
| 145-31-0042 | 1-10, 21-24, 99, 100 | 02 | June 23, 2004. |
| 11-20, 25-98, 101-114 | 01 | January 7, 2004. | |
| 145LEG-27-0002 | 1, 5 | 01 | April 15, 2003. |
| 2-4, 6-15 | Original | February 5, 2003. | |
| 145-45-0003 | 1-15 | Original | July 5, 2000. |
| 145LEG-27-0004 | 1-16 | Original | January 21, 2003. |
| 145LEG-31-0001 | 1-12 | Original | August 19, 2002. |
This incorporation by reference was approved by the Director of the Federal Register in accordance with 5 U.S.C. 552(a) and 1 CFR part 51. Copies may be obtained from Empresa Brasileira de Aeronautica S.A. (EMBRAER), PO 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 3: The subject of this AD is addressed in Brazilian airworthiness directive 2003-03-01, dated April 3, 2003.
