AD 2018-19-23

final rule
Data completeness: 70%

Airworthiness Directives; The Boeing Company Airplanes

AD Number
2018-19-23
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2017-0905
FR Citation
83 FR 49780

Applicability

TypeManufacturerModelDetails
aircraft Boeing Company Airworthiness Directives; The Boeing Company Airplanes

Unsafe Condition

failures of the cargo door control switch from allowing uncommanded movement of the cargo door, which, if not corrected, could lead to injuries to persons and damage to the airplane.

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

Required Actions

replacement of certain cargo door control switches with a new, improved switch; installation of an arm switch in certain cargo doors; operational and functional tests; and applicable on-condition actions.

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

Compliance Time

Within 35 months after November 7, 2018, or within 3,000 flight cycles after November 7, 2018, whichever occurs first.

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

Affected Aircraft

The Boeing Company Model 747-100, 747-100B, 747-100B SUD, 747-200B, 747-200C, 747-200F, 747-300, 747-400, 747-400D, 747-400F, 747SR, and 747SP series airplanes; and Model 757-200, 757-200PF, and 757-300 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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