AD 79-25-01

final rule
Data completeness: 70%

Airworthiness Directives; MCDONNELL DOUGLAS DC-10-10, -10F, -30, -30F, and -40 Series Airplanes

AD Number
79-25-01
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-10-10, -10F, -30, -30F, and -40 Series Airplanes
aircraft The Boeing Company DC-10-10F Airworthiness Directives; MCDONNELL DOUGLAS DC-10-10, -10F, -30, -30F, and -40 Series Airplanes
aircraft The Boeing Company DC-10-30 Airworthiness Directives; MCDONNELL DOUGLAS DC-10-10, -10F, -30, -30F, and -40 Series Airplanes
aircraft The Boeing Company DC-10-30F (KC-10A, KDC-10) Airworthiness Directives; MCDONNELL DOUGLAS DC-10-10, -10F, -30, -30F, and -40 Series Airplanes
aircraft The Boeing Company DC-10-40 Airworthiness Directives; MCDONNELL DOUGLAS DC-10-10, -10F, -30, -30F, and -40 Series Airplanes

Unsafe Condition

Contamination may prevent proper operation of the AiResearch Positive Pressure Relief Valves.

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

Required Actions

Within 300 hours time in service after the effective date, modify and reidentify the valves with an improved filter per specified service bulletins or clean/adjust/test valves or replace them. Subsequent actions include filter element changes and functional checks at intervals not exceeding 8,000 hours time in service.

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

Compliance Time

Within the next 300 hours 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 Model DC-10-10, -10F, -30, -30F, and -40 series airplanes certificated in all categories.

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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