AD 66-27-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | 707-300B Series | BOEING Models 707-300B and -300C Series Airplanes |
| aircraft | The Boeing Company | 707-300C Series | BOEING Models 707-300B and -300C Series Airplanes |
Unsafe Condition
Cracks or evidence of hammer-peening in the inboard aileron center hinge clevis could result in structural failure.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Visually inspect the inboard aileron center hinge clevis for cracks or evidence of hammer-peening using a glass of at least 5-power. Replace cracked parts or parts showing hammer-peening with new parts or inspected parts free of issues before further flight.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
within the next 300 hours' time in service after the effective date of this AD
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
BOEING Models 707-300B and -300C Series Airplanes, Serial Numbers 18922, 18926, 18937, 18953, 18960, 18964, 18975, 18976, 18977, and 18991
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
This site is not affiliated with or endorsed by the FAA. Always verify with official sources.