AD 64-16-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Lockheed Martin Corporation | 188A | LOCKHEED Models 188A and 188C Series Aircraft |
| aircraft | Lockheed Martin Corporation | 188C | LOCKHEED Models 188A and 188C Series Aircraft |
Unsafe Condition
Excessive wear and cracks in the aileron control system push-pull tubes, specifically part numbers 810863-1, 810865-1, and 807742-1, located aft of the wing rear spar.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Visually inspect and measure wear on aileron push-pull tubes, inspect support rollers for rotation and flat spots, replace cracked tubes or those exceeding wear limits (0.006, 0.008, or 0.012 inch), replace non-functional rollers, and adjust clearances per Lockheed Alert Service Bulletin 88/SB-607.
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Compliance Time
Within 425 hours' time in service after the effective date of this AD, unless accomplished within the last 3,575 hours' time in service, and thereafter at intervals not to exceed 4,000 hours' time in service from the last inspection.
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Affected Aircraft
Lockheed Models 188A and 188C Series Aircraft with aileron push-pull tubes part numbers 810863-1, 810865-1, and 807742-1.
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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