AD 97-19-14
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Pratt & Whitney Division | JT8D-1 | Airworthiness Directives; Pratt & Whitney JT8D Series Turbofan Engines |
| engine | Pratt & Whitney Division | JT8D-11 | Airworthiness Directives; Pratt & Whitney JT8D Series Turbofan Engines |
| engine | Pratt & Whitney Division | JT8D-15 | Airworthiness Directives; Pratt & Whitney JT8D Series Turbofan Engines |
| engine | Pratt & Whitney Division | JT8D-17 | Airworthiness Directives; Pratt & Whitney JT8D Series Turbofan Engines |
| engine | Pratt & Whitney Division | JT8D-17R | Airworthiness Directives; Pratt & Whitney JT8D Series Turbofan Engines |
| engine | Pratt & Whitney Division | JT8D-1A | Airworthiness Directives; Pratt & Whitney JT8D Series Turbofan Engines |
| engine | Pratt & Whitney Division | JT8D-1B | Airworthiness Directives; Pratt & Whitney JT8D Series Turbofan Engines |
| engine | Pratt & Whitney Division | JT8D-7 | Airworthiness Directives; Pratt & Whitney JT8D Series Turbofan Engines |
| engine | Pratt & Whitney Division | JT8D-7A | Airworthiness Directives; Pratt & Whitney JT8D Series Turbofan Engines |
| engine | Pratt & Whitney Division | JT8D-7B | Airworthiness Directives; Pratt & Whitney JT8D Series Turbofan Engines |
| engine | Pratt & Whitney Division | JT8D-9 | Airworthiness Directives; Pratt & Whitney JT8D Series Turbofan Engines |
| engine | Pratt & Whitney Division | JT8D-9A | Airworthiness Directives; Pratt & Whitney JT8D Series Turbofan Engines |
Unsafe Condition
Cracks in the first-stage turbine disk of the engine due to thermal fatigue.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the first-stage turbine disk for cracks using a fluorescent penetrant inspection method. Replace the disk if cracks are found.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Before further flight.
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Affected Aircraft
Pratt & Whitney JT8D series turbofan engines as specified in paragraphs (a)(2) and (a)(3) of this AD.
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Low Pressure Turbine (LPT) Blade Sets
Applicability Source Text
Show captured applicability text from the source AD
Skip to main content (Press Enter). United States Department of Transportation About DOTOur ActivitiesAreas of Focus FAA Dynamic Regulatory System A Comprehensive Knowledge Center of Regulatory and Guidance Material from the Office of Aviation Safety and other Services and Offices Welcome, Guest Sign In Search What's New DRS Feedback Help & Training Home Browse Expand AllCollapse All Airworthiness Directives (ADs) Regulations Regulation Related Documents and Reports Civil Aeronautics Manuals Advisory Circulars Order 8900.1, Flight Standards Information Management System Other Orders, Notices, Handbooks, Bulletins and Manuals Technical Standard Orders (TSO), Consensus Standards Policy Statements, Memos and Deviations Safety Assurance System (SAS) Design and Production Approvals Aircraft Safety Alerts Aircraft Evaluation Division (AED) Guidance Documents including MMELs Office of the Chief Counsel (AGC) Commercial Space (AST) Air Traffic Organization (ATO) Flight Standards (FS) Administrative Information Aviation Safety Draft Documents Open for Comments Advisory and Rulemaking Committees Other Documents DRS consolidates information provided by various Services and Offices and does not own any of the content within the system. For technical questions or comments about any document in DRS or to request reconsideration, modification, or rescission of guidance documents, please contact the Office of Primary Responsibility (OPR) using the feedback feature while viewing the document. For comments that FAA is not following the requirements of OMB's Good Guidance Bulletin or is improperly treating a guidance document as a binding requirement please contact AGC-200 using the feedback feature while viewing the document. Basic Search of Current Documents Basic Search Tips Enter one or more words separated by spaces. Put a word or phrase inside double quotes to search for an exact match. SearchReset Advanced Search Limit results to All U.S. Department of Transportation Federal Aviation Administration 800 Independence Avenue, SW Washington, DC 20591 (866) TELL-FAA | (866) 835-5322 Privacy Policy Accessibility
Document Text
Show stored source text (verify against official source)
Skip to main content (Press Enter). United States Department of Transportation About DOTOur ActivitiesAreas of Focus FAA Dynamic Regulatory System A Comprehensive Knowledge Center of Regulatory and Guidance Material from the Office of Aviation Safety and other Services and Offices Welcome, Guest Sign In Search What's New DRS Feedback Help & Training Home Browse Expand AllCollapse All Airworthiness Directives (ADs) Regulations Regulation Related Documents and Reports Civil Aeronautics Manuals Advisory Circulars Order 8900.1, Flight Standards Information Management System Other Orders, Notices, Handbooks, Bulletins and Manuals Technical Standard Orders (TSO), Consensus Standards Policy Statements, Memos and Deviations Safety Assurance System (SAS) Design and Production Approvals Aircraft Safety Alerts Aircraft Evaluation Division (AED) Guidance Documents including MMELs Office of the Chief Counsel (AGC) Commercial Space (AST) Air Traffic Organization (ATO) Flight Standards (FS) Administrative Information Aviation Safety Draft Documents Open for Comments Advisory and Rulemaking Committees Other Documents DRS consolidates information provided by various Services and Offices and does not own any of the content within the system. For technical questions or comments about any document in DRS or to request reconsideration, modification, or rescission of guidance documents, please contact the Office of Primary Responsibility (OPR) using the feedback feature while viewing the document. For comments that FAA is not following the requirements of OMB's Good Guidance Bulletin or is improperly treating a guidance document as a binding requirement please contact AGC-200 using the feedback feature while viewing the document. Basic Search of Current Documents Basic Search Tips Enter one or more words separated by spaces. Put a word or phrase inside double quotes to search for an exact match. SearchReset Advanced Search Limit results to All U.S. Department of Transportation Federal Aviation Administration 800 Independence Avenue, SW Washington, DC 20591 (866) TELL-FAA | (866) 835-5322 Privacy Policy Accessibility
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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Related Airworthiness Directives
2011-03-01
final ruleAirworthiness Directives; Pratt & Whitney JT8D-7, -7A, -7B, -9, -9A, -11, -15, -15A, -17, -17A, -17R, and -17AR Series Turbofan Engines
Unsafe Condition: Critical life-limited rotating engine part failure, which could result in an uncontained engine failure and damage to the airplane.
2010-21-17
final ruleAirworthiness Directives; Pratt & Whitney JT8D-9, -9A, -11, -15, -17, and -17R Turbofan Engines
Unsafe Condition: High-cycle fatigue cracking at the blade root, which could result in uncontained failures of first stage fan blades and damage to the airplane.
2009-24-01 Recurring
final ruleAirworthiness Directives; Pratt & Whitney JT8D-7, -7A, -7B, -9, -9A, -11, -15, and -17 Turbofan Engines
Unsafe Condition: could result in damage to the airplane.
2006-17-07R1
final ruleAirworthiness Directives; Pratt & Whitney JT8D-1, -1A, -1B, -7, - 7A, -7B, -9, -9A, -11, -15, -15A, -17, -17A, -17R, -17AR, -209, -217, - 217A, -217C, and -219 Turbofan Engines
Unsafe Condition: Cracking of high pressure compressor (HPC) front hubs and HPC disks coated with PWA 110-21 coating could result in uncontained engine failure and damage to the airplane.