Airworthiness Directives (ADs)
88-737-186
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
- 1999/06/09
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Applicability
- 737
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Model Number
- 737
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CAA AD Number
- 88-737-186
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Aeronautics Authority of Original AD
- FAA
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Original AD Number
- 99-11-05
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Effective Date
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Subject
- To prevent failure of the secondary servo valve slide in the rudder power control unit (PCU) due to cracking of the slide, and consequent rudder hardover and reduced controllability of the airplane.
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Reference Publications (Revision/ATA/SB)
- ASB 737-27A1221R1,737-27A1222R1
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Remarks
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Download
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