AD 88-20-07
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | 727-100 Series | Airworthiness Directives; BOEING Model 727 Series Airplanes |
| aircraft | The Boeing Company | 727-100C Series | Airworthiness Directives; BOEING Model 727 Series Airplanes |
| aircraft | The Boeing Company | 727-200 Series | Airworthiness Directives; BOEING Model 727 Series Airplanes |
| aircraft | The Boeing Company | 727-200F Series | Airworthiness Directives; BOEING Model 727 Series Airplanes |
| aircraft | The Boeing Company | 727 Series | Airworthiness Directives; BOEING Model 727 Series Airplanes |
| aircraft | The Boeing Company | 727C Series | Airworthiness Directives; BOEING Model 727 Series Airplanes |
Unsafe Condition
Jamming of the main landing gear door actuator caused by fracturing of the pivot trunnion.
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Required Actions
Within 1,600 flight cycles after the effective date, perform a visual inspection of the main landing gear door actuator pivots per Boeing Service Bulletin 727-32-0358. Repeat inspections every 800 flight cycles. If pivot trunnion shafts are loose or missing, replace them with part number 3-3141-54 per specified service bulletins before further flight.
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Compliance Time
Within the next 1,600 flight cycles after the effective date of this AD
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Affected Aircraft
All Model 727 series airplanes, certificated in any category.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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