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Airworthiness Directives (ADs)

88-747-297

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
1999/04/01
Applicability
747-400,-400D,-400F
Model Number
747
CAA AD Number
88-747-297
Aeronautics Authority of Original AD
FAA
Original AD Number
99-06-18
Effective Date
Subject
To prevent loss of control of the cabin pressurization system, which could result in rapid depressurization of the airplane and consequent deleterious physiological effects on the passengers and crew; and airplane diversions, which represent an increased risk to the airplane, passengers, and crew.
Reference Publications (Revision/ATA/SB)
ASB 747-21A2381,747-24A2193R1
Remarks
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