AD 92-06-07
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | 747-100 Series | Airworthiness Directives; BOEING Model 747 Series Airplanes |
| aircraft | The Boeing Company | 747-100B Series | Airworthiness Directives; BOEING Model 747 Series Airplanes |
| aircraft | The Boeing Company | 747-100B SUD Series | Airworthiness Directives; BOEING Model 747 Series Airplanes |
| aircraft | The Boeing Company | 747-200B Series | Airworthiness Directives; BOEING Model 747 Series Airplanes |
| aircraft | The Boeing Company | 747-200C Series | Airworthiness Directives; BOEING Model 747 Series Airplanes |
| aircraft | The Boeing Company | 747-200F Series | Airworthiness Directives; BOEING Model 747 Series Airplanes |
| aircraft | The Boeing Company | 747-300 Series | Airworthiness Directives; BOEING Model 747 Series Airplanes |
| aircraft | The Boeing Company | 747-400 Series | Airworthiness Directives; BOEING Model 747 Series Airplanes |
| aircraft | The Boeing Company | 747-400D Series | Airworthiness Directives; BOEING Model 747 Series Airplanes |
| aircraft | The Boeing Company | 747-400F Series | Airworthiness Directives; BOEING Model 747 Series Airplanes |
Unsafe Condition
Failure of the guide arm assembly and associated hardware for main entry doors 1 through 5, left and right sides, could result in inoperative emergency door power assist system and door opening during emergency evacuation.
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Required Actions
Within 60 days after the AD's effective date, perform a visual inspection and test of the guide arm assembly and associated hardware per Boeing Alert Service Bulletin 747-52A2237. If conditions in specified subparagraphs do not exist, repair or replace before further flight. Submit a report within 7 days post-inspection if certain conditions aren't met.
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Compliance Time
Within the next 60 days after the effective date of this AD
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Affected Aircraft
Model 747 series airplanes listed in Boeing Alert Service Bulletin 747-52A2237 dated July 11, 1991
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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