AD 2009-22-08

final rule
Data completeness: 70%

Airworthiness Directives; Boeing Model 747 Airplanes; and Boeing Model 757-200, -200PF, and -300 Series Airplanes

AD Number
2009-22-08
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2008-1326
FR Citation
74 FR 55763

Applicability

TypeManufacturerModelDetails
aircraft Boeing 747 Airworthiness Directives; Boeing Model 747 Airplanes; and Boeing Model 757-200, -200PF, and -300 Series Airplanes

Unsafe Condition

Problems associated with the uncommanded operation of cargo doors.

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

Required Actions

Replace the control switches of the forward, aft, and nose cargo doors on Model 747 airplanes. Replace the control switches of cargo doors 1 and 2 on Model 757 series airplanes. Brush coat the switch terminals with BMS5-37 or BMS5-45 Class A sealant after all wires are connected.

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

Compliance Time

Within specified intervals (72 months per cycle).

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

Affected Aircraft

Boeing Model 747 airplanes and Boeing Model 757-200, -200PF, and -300 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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