AD 80-21-01

final rule
Data completeness: 70%

Airworthiness Directives; MCDONNELL DOUGLAS DC-10 Series Airplanes

AD Number
80-21-01
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Unknown
FR Citation
This information is not available.

Applicability

TypeManufacturerModelDetails
aircraft The Boeing Company DC-10-10 Airworthiness Directives; MCDONNELL DOUGLAS DC-10 Series Airplanes
aircraft The Boeing Company DC-10-10F Airworthiness Directives; MCDONNELL DOUGLAS DC-10 Series Airplanes
aircraft The Boeing Company DC-10-15 Airworthiness Directives; MCDONNELL DOUGLAS DC-10 Series Airplanes
aircraft The Boeing Company DC-10-30 Airworthiness Directives; MCDONNELL DOUGLAS DC-10 Series Airplanes
aircraft The Boeing Company DC-10-30F (KC-10A, KDC-10) Airworthiness Directives; MCDONNELL DOUGLAS DC-10 Series Airplanes
aircraft The Boeing Company DC-10-40 Airworthiness Directives; MCDONNELL DOUGLAS DC-10 Series Airplanes
aircraft The Boeing Company DC-10-40F Airworthiness Directives; MCDONNELL DOUGLAS DC-10 Series Airplanes

Unsafe Condition

Restriction of travel of the wing and tail engine fuel shutoff valve, which could adversely affect operation of the engine emergency fire shutoff handles and loss of associated fire fighting safeguards.

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

Required Actions

Replace P/N AA 2603 type cable guard pins in accordance with McDonnell Douglas Alert Service Bulletin A76-28. Special flight permits may be issued under FAR 21.197 and 21.199 to operate airplanes to a base for modifications. Alternative actions providing equivalent safety may be approved by the Chief, Aircraft Engineering Division, FAA Western Region.

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

Compliance Time

Within 300 hours additional time in service after the effective date of this AD

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

Affected Aircraft

MCDONNELL DOUGLAS DC-10 Series Airplanes fuselage numbers 1 through 243

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

This site is not affiliated with or endorsed by the FAA. Always verify with official sources.

View Official Source ↗ Find More ADs for The Boeing Company DC-10-10

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final rule

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