AD 91-05-15

final rule
Data completeness: 70%

Airworthiness Directives; British Aerospace Model ATP Series Airplanes

AD Number
91-05-15
Status
final_rule
Effective Date
Product Category
aircraft
Docket
90-NM-173-AD
FR Citation
This information is not available.

Applicability

TypeManufacturerModelDetails
aircraft BAE Systems (Operations) Limited ATP Airworthiness Directives; British Aerospace Model ATP Series Airplanes

Unsafe Condition

Cracks in the engine jet pipes could result in uncontained engine failure.

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

Required Actions

Perform detailed visual inspections of the engine jet pipes at specified intervals per service bulletins. Replace or repair cracked aft and forward jet pipe assemblies as specified. Replace the aft jet pipe with an improved part within 12 months of the AD effective date.

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

Compliance Time

Prior to the accumulation of specified hours time-in-service since new or within 50 hours time-in-service after the AD effective date, whichever is later, and thereafter at intervals not exceeding the specified hours time-in-service.

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

Affected Aircraft

All Model ATP series airplanes, certificated in any category.

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

Source: Official FAA Source ↗

Retrieved: Apr 8, 2026

Rights: U.S. Government Public Domain

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