AD 48-12-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Lockheed Aircraft Corporation | 649-79 | LOCKHEED Models 649 and 749 Series Aircraft |
| aircraft | Lockheed Aircraft Corporation | 749-79 | LOCKHEED Models 649 and 749 Series Aircraft |
Unsafe Condition
Failure of the smoke detection system to meet fire prevention requirements as outlined in CAR Amendments 41-3, 42-2, and 61-2.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Revise the smoke detection system per LAC Service Bulletin 49/SB-401 or equivalent. Inspect cabin interior fabrics and finishes to ensure compliance with CAR 4b requirements.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Not later than the dates specified in Civil Air Regulations Amendments 41-3, 42-2 and 61-2 as revised by special Civil Air Regulations Serial Nos. 385, 390, 390A, 390B and any subsequent regulations.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Lockheed Aircraft Corporation Models 649-79 and 749-79, serial numbers 2512 through 2515, 2519 through 2543, 2545 through 2550, 2552 through 2555, 2560, and 2561.
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.