AD 2004-09-28

final rule
Data completeness: 70%

Airworthiness Directives; Lockheed Model L-1011 Series Airplanes

AD Number
2004-09-28
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. 2000-NM-145-AD
FR Citation
69 FR 26494

Applicability

TypeManufacturerModelDetails
aircraft Lockheed L-1011 Airworthiness Directives; Lockheed Model L-1011 Series Airplanes

Unsafe Condition

Corrosion of certain structural areas could lead to structural failure of the airplane.

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

Required Actions

Accomplish specific corrosion tasks (C-55-320-05 Note 4, C-55-330-05 Note 1, C-57-540-02 Note 5, C-57-530-04 Note 3) at intervals not to exceed 5 years, or revise the maintenance inspection program to include these tasks. Inspect the stabilizer bearing in accordance with Task C-55-350-01 Note 1 of Revision D of the Document, repeating the inspection at intervals not to exceed 15 years.

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

Compliance Time

Before further flight

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Affected Aircraft

All Lockheed Model L-1011 series airplanes.

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

Source: Official FAA Source ↗

Retrieved: Apr 6, 2026

Rights: U.S. Government Public Domain

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