AD 60-11-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Lockheed Martin Corporation | 188A | LOCKHEED Model 188 Series Aircraft |
| aircraft | Lockheed Martin Corporation | 188C | LOCKHEED Model 188 Series Aircraft |
Unsafe Condition
Loose attachments and cracked quick engine change upper cowl panel longerons.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect top cowl panel upper longerons and attachments at rear fittings for cracks or loose attachments every 300 hours' time in service. Replace loose attachments with specified fasteners (e.g., oversize Hi-Lok pins, NAS screws) and repair or replace cracked longerons before next flight. Discontinue inspections after incorporating Lockheed Service Bulletin 88/SB-500.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Prior to dispatch from a terminal with inspection facilities unless accomplished within last 300 hours' time in service, and thereafter every 300 hours' time in service.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Lockheed Model 188A and 188C aircraft, all serial 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.