AD 2025-05-13

Recurring final rule
Data completeness: 80%

Airworthiness Directives; Pratt & Whitney Canada Corp. Engines

AD Number
2025-05-13
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2024-2539
FR Citation
90 FR 12679

Applicability

TypeManufacturerModelDetails
engine Pratt & Whitney Canada Corp Airworthiness Directives; Pratt & Whitney Canada Corp. Engines

Unsafe Condition

crack, fracture, missing, or loosening of the gas generator case to turbine support case retaining bolts due to inadequate low-cycle fatigue life

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

Required Actions

repetitive borescope inspections (BSI) of the gas generator case to turbine support case retaining bolts for evidence of bolt cracks, bolt fracture, missing bolts, or loose bolts, and replacement, if necessary, as specified in Transport Canada AD CF-2023-60

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

Compliance Time

Within 50 flight hours

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

Affected Aircraft

Pratt & Whitney Canada Corp. (P&WC) Model PW535E and PW535E1 engines, as identified in Transport Canada Civil Aviation AD CF-2023-60, dated August 14, 2023

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

Source: Official FAA Source ↗

Retrieved: Apr 4, 2026

Rights: U.S. Government Public Domain

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