AD 60-06-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | 707-100 Long Body | BOEING Models 707 and 720 Series Airplanes |
| aircraft | The Boeing Company | 707-100B Long Body | BOEING Models 707 and 720 Series Airplanes |
| aircraft | The Boeing Company | 707-100B Short Body | BOEING Models 707 and 720 Series Airplanes |
| aircraft | The Boeing Company | 707-200 | BOEING Models 707 and 720 Series Airplanes |
| aircraft | The Boeing Company | 707-300 Series | BOEING Models 707 and 720 Series Airplanes |
| aircraft | The Boeing Company | 707-300B Series | BOEING Models 707 and 720 Series Airplanes |
| aircraft | The Boeing Company | 707-300C Series | BOEING Models 707 and 720 Series Airplanes |
| aircraft | The Boeing Company | 707-400 Series | BOEING Models 707 and 720 Series Airplanes |
| aircraft | The Boeing Company | 720 Series | BOEING Models 707 and 720 Series Airplanes |
| aircraft | The Boeing Company | 720B Series | BOEING Models 707 and 720 Series Airplanes |
Unsafe Condition
Failures in the nose landing gear outer cylinder due to initial defects, resulting in cracks in the upper barrel area of the trunnion and below the towing collar.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Conduct daily visual inspections with a 10-power magnifying glass for cracks on the outer surface. Perform ultrasonic inspections within 20 calendar days and repeat every 20 landings if cracks are found. Conduct dye penetrant inspections every 550 hours' time in service. Replace cylinders with cracks over 1 inch or extending to the outer surface. Inspect interior surfaces within 3,000 hours' time in service or 1,500 landings post-March 8, 1960.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Compliance required as indicated in the AD, with specific actions due within 20 calendar days, every 20 landings, every 550 hours' time in service, and within 3,000 hours' time in service or 1,500 landings subsequent to March 8, 1960.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Boeing Models 707 and 720 Series airplanes equipped with Nose Gear Outer Cylinder, Boeing P/N 5-83025-3005.
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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