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Airworthiness Directives (ADs)

88-DC9-077

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
1999/11/08
Applicability
MD-90-30
Model Number
DC9
CAA AD Number
88-DC9-077
Aeronautics Authority of Original AD
FAA
Original AD Number
99-21-32
Effective Date
Subject
To prevent interference between the elevator cable pulley and the shroud frame of the ventral stairway, which could result in pitch oscillation of the airplane, and consequent damage to the elevator cable pulley and reduced controllability of the airplane.
Reference Publications (Revision/ATA/SB)
SB MD90-27-026
Remarks
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