AD 66-19-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Martin-Marietta Corporation | 404 | MARTIN Model 404 Airplanes |
Unsafe Condition
Cracks in the main landing gear oleo cylinders between the jury strut attach lugs could result in structural failure of the landing gear.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect main landing gear oleo cylinders for cracks using ultrasonic or FAA-approved method, remove grease/dirt/loose paint in inspection areas, replace cracked cylinders with inspected/crack-free parts or approved equivalents before further flight.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
within the next 50 hours' time in service after the effective date of this AD, unless already accomplished within the last 100 hours' time in service, and at intervals not to exceed 150 hours' time in service from the last inspection
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Martin-Marietta Corporation Model 404 airplanes with main landing gear oleo cylinders Martin P/N SE997712 and other part numbers
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.