AD 2001-09-01

Recurring final rule
Data completeness: 70%

Airworthiness Directives; Boeing Model 757-200 and -300 Series Airplanes

AD Number
2001-09-01
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. 99-NM-124-AD
FR Citation
66 FR 21855

Applicability

TypeManufacturerModelDetails
aircraft Boeing 757-200 and -300 Airworthiness Directives; Boeing Model 757-200 and -300 Series Airplanes

Unsafe Condition

Stress corrosion cracking leading to fracture of a main landing gear (MLG) truck beam during ground operations, which could result in either reduced controllability of the airplane or a fire.

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

Required Actions

Repetitive clearing of the drain passage at the aft end of the MLG truck beam to ensure proper drainage of moisture and contaminants. For certain airplanes, an internal inspection of the truck beam to detect discrepancies, followed by necessary actions.

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

Compliance Time

Within a specified number of years since the date of airplane delivery or since the date of installation of new replacement truck beams.

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

Affected Aircraft

Boeing Model 757-200 and -300 series airplanes, as specified in Boeing Alert Service Bulletins 757-32A0135 and 757-32A0138 (Revision 1, dated November 30, 2000).

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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