AD 91-06-20

final rule
Data completeness: 70%

Airworthiness Directives; British Aerospace Model ATP Series Airplanes

AD Number
91-06-20
Status
final_rule
Effective Date
Product Category
aircraft
Docket
90-NM-241-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

Malfunction of electrical equipment, overheat damage or fire, and loss of electrical power due to insecurely crimped or discolored ring tongue terminal tags on electrical cable terminals.

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

Required Actions

Inspect listed electrical cable ring tongue terminal tags in Tables 1 to 21 of ATP-24-21 Rev 2 within 90 days after AD effective date. Replace insecure or discolored tags before further flight. Perform a one-time repeat inspection within 2,500 hours time-in-service (but not sooner than 2,000 hours) after initial inspection, replacing any defective tags before flight.

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

Compliance Time

Within 90 days after the effective date of this AD for initial inspection; within 2,500 hours time-in-service (not sooner than 2,000 hours) after initial inspection for repeat inspection.

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

Affected Aircraft

British Aerospace Model ATP series airplanes, serial numbers 2001 through 2020 inclusive.

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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