AD 95-19-08 Airworthiness Directives; Boeing Model 727-100 and -200 Series Airplanes Equipped With an Engine Nose Cowl for Engine Numbers 1 and 3, Installed in Accordance With Supplemental Type Certificate (STC) SA4363NM

Models named: 727-100, -200 series. Read the applicability below — it usually turns on serial or part numbers too.

Model 727-100 and -200 series airplanes equipped with an engine nose cowl for engine numbers 1 and 3, installed in accordance with Supplemental Type Certificate (STC) SA4363NM, 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 (c) 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.

Required as indicated, unless accomplished previously. To prevent the attach bolts on the nose cowl of the engine from becoming loose, and subsequent separation of the nose cowl from the engine, accomplish the following: Replacement (a) Within 12 months after October 20, 1995 (the effective date of AD 95-19-08, amendment 39-9370), replace the attaching nutplates of the No. 1 and No. 3 engine nose cowls with washers and self-locking nuts in accordance with VALSAN B727-RE Service Bulletin 71-006, Revision 1, dated March 3, 1995. Spares (b) As of October 20, 1995, no person shall install a nose cowl having VALSAN part number 259-0002-501 or 259-0002-503 on any airplane. Alternative Methods of Compliance (c) 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, Los Angeles Aircraft Certification Office (ACO), FAA, Transport Airplane Directorate. Operators shall submit their requests through an appropriate FAA Principal Maintenance Inspector, who may add comments and then send it to the Manager, Los Angeles ACO. Note 2: Information concerning the existence of approved alternative methods of compliance with this AD, if any, may be obtained from the Los Angeles ACO. Special Flight Permits (d) Special flight permits may be issued in accordance with §§ 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. Incorporation by Reference (e) The replacement shall be done in accordance with VALSAN B727-RE Service Bulletin 71-006, Revision 1, dated March 3, 1995. This incorporation by reference was approved previously by the Director of the Federal Register as of October 20, 1995 (60 FR 48630, September 20, 1995). Copies may be obtained from VALSAN Partnership Ltd., Aviation Products Management, Product Support Office, 39450 Third Street East, suite 121, Palmdale, California 93550. Copies may be inspected at the FAA, Transport Airplane Directorate, 1601 Lind Avenue, SW., Renton, Washington; or at the FAA, Transport Airplane Directorate, Los Angeles Aircraft Certification Office, 3960 Paramount Boulevard, Lakewood, California; or at the Office of the Federal Register, 800 North Capitol Street, NW., suite 700, Washington, DC. (f) This amendment becomes effective on August 16, 2000. Issued in Renton, Washington, on July 25, 2000. Donald L. Riggin, Acting Manager, Transport Airplane Directorate, Aircraft Certification Service. [FR Doc. 00-19262 Filed 7-31-00; 8:45 am] BILLING CODE 4910-13-P