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Airworthiness Directives (ADs)

90-747-371(已有後續修訂版)

The aircraft owner or operator shall comply with Airworthiness Directives issued by the CAA or the aeronautics authority of the State of Design (SoD) of the aviation products, appliances and parts, and take all necessary actions thereto.

Issue Date
2001/12/17
Applicability
747-100, 747-200B, 747-200C, 747-200F, 747SP, and 747SR
Model Number
747
CAA AD Number
90-747-371(已有後續修訂版)
Aeronautics Authority of Original AD
FAA
Original AD Number
2001-24-32
Effective Date
Subject
To prevent chafing of certain electrical wire bundles located behind the flight engineers panel, which could result in smoke in the cockpit, and uncommanded discharge of fire extinguishing bottles for the No. 4 engine and consequent reduction of the ability to fight a fire in the No. 4 engine.
Reference Publications (Revision/ATA/SB)
ASB 747-25A2407R1
Remarks
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