AD 66-24-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | 727-100 Series | BOEING Model 727 Series Airplanes |
| aircraft | The Boeing Company | 727-100C Series | BOEING Model 727 Series Airplanes |
| aircraft | The Boeing Company | 727-200 Series | BOEING Model 727 Series Airplanes |
| aircraft | The Boeing Company | 727-200F Series | BOEING Model 727 Series Airplanes |
| aircraft | The Boeing Company | 727 Series | BOEING Model 727 Series Airplanes |
| aircraft | The Boeing Company | 727C Series | BOEING Model 727 Series Airplanes |
Unsafe Condition
Failure of the stabilizer trim system brake (Boeing P/N 10-60822-1, Western Gear P/N 4472R155, serial numbers 101 through 225) could result in uncommanded movement of the stabilizer trim, leading to loss of aircraft control.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Modify the stabilizer trim system brake by installing additional spacers under the pawls as specified in Western Gear Service Bulletin paragraph (2).
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
within the next 2,500 hours' time in service after the effective date of this AD
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Affected Aircraft
Boeing Model 727 Series airplanes including 727-100, 727-100C, 727-200, 727-200F, 727 Series, and 727C Series with stabilizer trim system brake Boeing P/N 10-60822-1, Western Gear P/N 4472R155, serial numbers 101 through 225.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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