89-22-07 PRATT & WHITNEY: Amendment 39-6344.
Applicability: Pratt & Whitney (PW) JT3D-3B and JT3D-7 turbofan engines approved for return to service by Jet Power, Inc (JPI), FAA Repair Station No. 705-70, located at 4275 Northwest 77th Avenue, Miami, Florida, identified by serial number (S/N) as follows:
630197
631540
631996
632276
632282
632285
632339
632340
632346
632351
632408
632478
632481
632487
632749
632842
632846
632852
632962
632966
632968
632973
633040
633495
633541
633558
633564
633607
633609
633615
633669
633732
633742
633744
634616
642390
642490
642512
642901
642910
642914
643332
643471
642715
643803
643812
643899
643904
643973
644047
644071
644131
644200
644218
644306
644359
644667
644756
644953
644973
645017
645030
645051
645088
645128
645145
645177
645214
645294
645370
645401
645407
645570
645675
645753
645769
645785
645854
645865
645913
645915
645977
645999
646001
667054
667677
667736
667792
667879
667932
667979
668042
668103
668229
668312
668331
668373
668430
668557
668594
668603
668609
668658
668678
668827
668877
669156
669252
669324
669360
669375
669377
669411
669425
669484
669564
669583
669644
669690
669793
669797
669801
670744
671102
671133
671141
671233
671254
671340
671391
671425
675803
678988
678994
678999
688430
Compliance: Required within the next 30 calendar days after the effective date of this AD, unless already accomplished.
To ensure the continuing structural integrity and certificated performance capabilities of JT3D-3B and JT3D-7 turbofan engines, accomplish the following:
(a) Remove from service those engines identified above.
(b) Engines removed from service in accordance with paragraph (a) above may be returned to revenue service by accomplishing either one of the two following requirements:
(1) Accomplish the overhaul manual requirements on all parts, sub-assemblies, accessories, and components installed on the engine and, if any of the engines or components of the engines referred in paragraph (a) have been in an accident, accomplish the pertinent overhaul manual special check and inspection requirements. The engine overhaul and special inspection requirement must be accomplished in accordance with the requirements of Pratt & Whitney JT3D-3B Overhaul Manual, Part Number (P/N) 411568, Revision 78, dated December 15, 1988, or Pratt & Whitney JT3D-7 Overhaul Manual P/N 615105, Revision 50, dated December 15, 1988, as applicable.
NOTE: The Light Overhaul Manual requirements, included in the above overhaul manuals, are not applicable in this case.
(2) Submit to the FAA, Manager, Engine Certification Office, through the cognizant FAA Airworthiness Inspector, all the pertinent records identified below for review, and obtain a written FAA approval prior to returning an engine to service:
(i) If the parts, sub-assemblies, accessories, or other components of an engine approved for return to service by JPI were subjected to overhaul or maintenance activities during the last shop visit at JPI, provide records establishing the origin and/or the prior service history of the subject parts. If the determination of the origin of such parts leads to other engines, the records for reason of removal from service, and if available, trend monitoring data for those engines must also be included. Provide records of accomplishment of the required inspections, checks, tests, as applicable in accordance with engine manual requirements that establish the components' airworthiness.
(ii) A list of all life limited components by S/N, service history, and current status as required by FAR Part 121, Section 380, or FAR Part 91, Section 173, as appropriate.
(iii) All repair or overhaul records, concerning the last shop visit at JPI, as required by FAR Part 121, Section 380, or FAR Part 91, Section 173, as appropriate.
(iv) Substantiating evidence that the work performed during the last shop visit at JPI was done in accordance with FAA approved data as required by the FAR's.
(v) Engine acceptance test data or engine "on-wing" test data, accomplish after repair or overhaul, whichever is applicable.
(vi) Engine operation trend monitoring data, if available, for the current engine installation.
(vii) A list by P/N or S/N of any engine, part, sub-assembly, accessory, or component acquired from JPI that has been known to have been involved in an accident.
NOTE: If engine owners, operators, or cognizant Civil Aviation Authorities outside the United States wish to have the FAA's assistance in this effort, they may contact the FAA at the following address: Federal Aviation Administration, Engine and Propeller Directorate, Aircraft Certification Service, Attention: Manager, Engine Certification Office, ANE-140, 12 New England Executive Park, Burlington, Massachusetts 01803.
Information collection requirements contained in the amendment to Section 39.13 have been approved by the Office of Management and Budget (OMB) under the provisions of the Paperwork Reduction Act of 1980 (Pub. L. 96-511) and have been assigned OMB Control No. 2120-0056.
(c) Aircraft may be ferried in accordance with the provisions of FAR 21.197 and 21.199 to a base where the AD can be accomplished.
(d) Upon submission of substantiating data by an owner or operator through an FAA Airworthiness Inspector, an alternate method of compliance with the requirements of this AD or adjustments to the compliance times in this AD, may be approved by the Manager, Engine Certification Office, Engine and Propeller Directorate, Aircraft Certification Service, Federal Aviation Administration, 12 New England ExecutivePark, Burlington, Massachusetts 01803.
The engine overhaul and special inspection requirements shall be done in accordance with PW JT3D-3B Overhaul Manual P/N 411568, Revision 78, dated December 15, 1988, or JT3D-7 Overhaul Manual P/N 615105, Revision 50, dated December 15, 1988, as applicable. The sections of these manuals pertinent to Light Overhaul are not applicable. All persons affected by this directive who have not already received the appropriate service documents from the manufacturer may obtain copies upon request to Pratt & Whitney, Publications Department, P.O. Box 611, Middletown, Connecticut 06457. Copies may be inspected at the Regional Rules Docket, Office of the Assistant Chief Counsel, Federal Aviation Administration, New England Region, 12 New England Executive Park, Room 311, Burlington, Massachusetts 01803.
This amendment (39-6344, AD 89-22-07) becomes effective on October 31, 1989.