Airworthiness directives › 99-02-18
AD 99-02-18 Airworthiness Directives; Empresa Brasileira de Aeronautica S.A. (EMBRAER) Model EMB-120 Series Airplanes
Models named: EMB-120 series. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
Model EMB-120 series airplanes, serial numbers (S/N) 120003, 120004, and 120006 through 120336 inclusive; certificated in any category. Note 1: This AD applies to each airplane identified in the preceding applicability provision, regardless of whether it has been modified, altered, or repaired in the area subject to the requirements of this AD. For airplanes that have been modified, altered, or repaired so that the performance of the requirements of this AD is affected, the owner/operator must request approval for an alternative method of compliance in accordance with paragraph (e) of this AD. The request should include an assessment of the effect of the modification, alteration, or repair on the unsafe condition addressed by this AD; and, if the unsafe condition has not been eliminated, the request should include specific proposed actions to address it.
Compliance
Required as indicated, unless accomplished previously. To prevent fretting of the titanium thermal insulating blankets, which could result in an increased risk of fire in the engine exhaust duct of the tail pipe, accomplish the following: (a) For airplanes identified in ``Part I'' of the effectivity listing of EMBRAER Service Bulletin S.B. 120-54-0035, Change 02, dated May 29, 1998: Within 2,400 flight hours after the effective date of this AD, accomplish paragraphs (a)(1) and (a)(2) in accordance with the service bulletin. (1) Remove the thermal insulating blankets from the upper rear nacelle structure. (2) Install new stainless steel plates onto the upper rear nacelle structure. (b) For airplanes identified in ``Part II'' of the effectivity listing of EMBRAER Service Bulletin S.B. 120-54-0035, Change 02, dated May 29, 1998: Within 2,400 flight hours after the effective date of this AD, remove the thermal insulating blankets from the upper rear nacelle structure in accordance with the service bulletin. (c) For all airplanes: Prior to further flight following accomplishment of either paragraph (a) or (b) of this AD, as applicable, [[Page 15127]] re-position the engine exhaust duct with the use of shims in accordance with EMBRAER Service Bulletin S.B. 120-54-0035, Change 02, dated May 29, 1998. If it is not possible to re-position the engine exhaust duct with the use of shims as specified in the service bulletin, prior to further flight, replace the rear exhaust duct bracket with a new rear exhaust duct bracket, in accordance with the ``Note'' in paragraph 1.3.1.1 of the Planning section of the service bulletin. (d) As of the effective date of this AD, no person shall install on any airplane a thermal insulating blanket having part number (P/ N) 120-35411-025, -035, -036, 120-35413-001, or 120-35413-002. (e) An alternative method of compliance or adjustment of the compliance time that provides an acceptable level of safety may be used if approved by the Manager, FAA, Small Airplane Directorate, Atlanta Aircraft Certification Office, One Crown Center, 1895 Phoenix Boulevard, Suite 450, Atlanta, Georgia. Operators shall submit their requests through an appropriate FAA Principal Maintenance Inspector, who may add comments and then send it to the Manager, Atlanta ACO. Note 2: Information concerning the existence of approved alternative methods of compliance with this AD, if any, may be obtained from the Atlanta ACO. (f) Special flight permits may be issued in accordance with sections 21.197 and 21.199 of the Federal Aviation Regulations (14 CFR 21.197 and 21.199) to operate the airplane to a location where the requirements of this AD can be accomplished. (g) The actions shall be done in accordance with EMBRAER Service Bulletin S.B. 120-54-0035, Change 02, dated May 29, 1998. This incorporation by reference was approved previously by the Director of the Federal Register in accordance with 5 U.S.C. 552(a) and 1 CFR part 51 as of March 3, 1999 (64 FR 4029, January 27, 1999). 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 FAA, Small Airplane Directorate, Atlanta Aircraft Certification Office, One Crown Center, 1895 Phoenix Boulevard, Suite 450, Atlanta, Georgia; or at the Office of the Federal Register, 800 North Capitol Street, NW., suite 700, Washington, DC. (h) The effective date of this amendment remains March 3, 1999. Issued in Renton, Washington, on March 23, 1999. Darrell M. Pederson, Acting Manager, Transport Airplane Directorate, Aircraft Certification Service. [FR Doc. 99-7689 Filed 3-29-99; 8:45 am] BILLING CODE 4910-13-P
Read the original on the Federal Register →
You just looked this one up by hand
TrackAD holds all 12,278 of them and matches them against the aircraft you actually look after — airframe, engine, propeller and appliances in one pass — then works out what falls due and when.
- Bring your existing list in from a spreadsheet Paste the rows straight out of Excel. Headers like C/W Date and N/A are read for you.
- A copy that works when this does not One file. No internet, no login, no this software running. For the morning something has to be produced and the computer is not cooperating.
- $5 a month, or $50 a year Up to 50 aircraft on either.
Look round a real shop first Start free
The demonstration shop is eleven real aircraft with a year of work behind them. No account needed.
The directive text above is reproduced from the Federal Register, a work of the United States government and in the public domain. The separation into applicability, compliance and required actions is TrackAD's.*1