AD 2010-21-17
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Pratt & Whitney | JT8D-9 | Airworthiness 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.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Overhaul the total set of stage 1 fan blades at the first shop visit after 4,000 cycles-in-service (CIS) since the last total fan blade overhaul, or the next shop visit after the effective date of this AD, whichever occurs later. Guidance is provided in Pratt & Whitney JT8D Maintenance Advisory Notice No. MAN-JT8D-2-06 and the Engine Manual Chapter/Section 72-33-21, Inspection 00.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within the compliance times specified in the AD, unless the actions have already been done.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Pratt & Whitney JT8D-9, -9A, -11, -15, -17, and -17R turbofan engines installed on, but not limited to, Boeing 727 series, Boeing 737-200 series, and McDonnell Douglas DC-9 airplanes.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
This site is not affiliated with or endorsed by the FAA. Always verify with official sources.