AD Amdt-39-11333

Recurring final rule
Data completeness: 70%

Airworthiness Directives; Pratt & Whitney PW2000 Series Turbofan Engines

AD Number
Amdt-39-11333
Status
final_rule
Effective Date
Product Category
engine
Docket
Docket No. 99-NE-02-AD
FR Citation
64 FR 51681

Applicability

TypeManufacturerModelDetails
engine Pratt & Whitney PW2000 Series Airworthiness Directives; Pratt & Whitney PW2000 Series Turbofan Engines

Unsafe Condition

Subsurface anomalies in High Pressure Turbine (HPT) stage 1 and stage 2 disks, potentially formed during the forging process, could lead to HPT disk fracture and an uncontained engine failure.

AI-generated summary from the source AD text. Verify against the official source before acting.

Required Actions

Inspect HPT stage 1 and stage 2 disks using an improved ultrasonic inspection method at an approved facility during a shop visit. If a crack indicating a subsurface anomaly is found, remove the disk from service and replace it with a serviceable part.

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

Within the next shop visit where the disk is exposed.

AI-generated summary from the source AD text. Verify against the official source before acting.

Affected Aircraft

Pratt & Whitney PW2000 series turbofan engines, specifically HPT stage 1 and stage 2 disks.

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

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