Airworthiness Directives (ADs)
85-747-4022
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.
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Issue Date
- 1996/07/18
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Applicability
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Model Number
- 747
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CAA AD Number
- 85-747-4022
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Aeronautics Authority of Original AD
- Boeing
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Original AD Number
- ASB 747-21A2381
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Effective Date
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Subject
- AIR CONDITIONING-PRESSURIZATION CONTROL-CABIN PRESSURE CONTROL SYSTEM-P212 ANDP213 PANEL MODIFICATION. Compliance: Boeing recommends that this service bulletin be done as soon as possible, when the manpower and facilities are available.
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Reference Publications (Revision/ATA/SB)
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Remarks
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Download
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