80-19-15 ISRAEL AIRCRAFT INDUSTRIES (IAI): Amendment 39-4189. Applies to Westwind Model 1124/1124A airplanes, S/N's 239 through 292, except S/N's 241, 252, 257, 261, 264, 265, and 290, certificated in all categories.
Compliance required before further flight, unless already accomplished.
To prevent the upper hot liquid container in the galley from rubbing against the electrical wire bundle and causing a fire which could result in the loss of thrust reversers, flaps, spoilers, and some airplane lights, accomplish the following:
(a) Remove upper hot liquid container in galley aft of fuselage station 112LH side.
(b) Check if electrical wire bundle located behind upper corner of container is free from chafing marks or damaged insulation.
(c) If electrical wire bundle is free from chafing marks or damage, secure all pertinent electrical outlets and install placard prohibiting the installation and use of this hot liquid container until proper routing and protection in accordance with paragraph (e) of this AD is accomplished, and return the aircraft to service.
(d) If electrical wire bundle shows chafing marks or damage, repair per standard aircraft practice and accomplish proper routing and protection in accordance with paragraph (e) of this AD, or install placard required by paragraph (c) of this AD.
(e) The placard installed in accordance with paragraph (c) of this AD may be removed provided proper routing and protection against chafing is accomplished in accordance with Federal Aviation Administration Advisory Circular No. 43-13-1A, Acceptable Methods, Techniques, and Practices - Aircraft Inspection and Repair, Chapter 11, or equivalent means approved by the Chief, Aircraft Certification Staff, AEU-100, Europe, Africa and Middle East Office, FAA, c/o American Embassy, Brussels, Belgium. Reinstall hot liquid container and visually check for clearance with the wire bundle. Clearance is checked through gap above container. Return aircraft to service.
(f) Report defects found to the Chief, Aircraft Certification Staff, AEU-100, Europe, Africa, and Middle East Office, FAA, c/o American Embassy, Brussels, Belgium. Reporting approved by the Office of Management and Budget under OMB No. 04-R0174.
This amendment becomes effective August 10, 1981, as to all persons except those persons to whom it was immediately effective by priority letter AD 80-19-15, issued September 11, 1980, which contained this amendment.