AD 89-22-07

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AD Number:
89-22-07
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
PRATT & WHITNEY Models JT3D-3B and JT3D-7 Engines
Subject:
Overhaul
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
10/31/1989
Make:
Pratt & Whitney Division
Model:
JT3D-3B | JT3D-7
Product Type:
Engine
Product Subtype:
Affected AD:
Superseded AD:
Affected By:
Superseded By:
Service/Office:
Office of Primary Responsibility:
CFR Part Reference:
Part 39
Comments:
AIRWORTHINESS DIRECTIVES FINAL RULES: 89-22-07
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-6344

AD NUMBER:   89-22-07

SUBJECT HEADING:   PRATT & WHITNEY Models JT3D-3B and JT3D-7 Engines

ACTION:  

SUMMARY:  

DATES:   Effective October 31, 1989.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
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 Executive Park, 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.

FOOTER: