| AD Number | 47-10-11 | Status | Active |
| Effective Date | Not specified | Issue Date | Not specified |
| Docket Number | Unknown | Amendment | N/A |
| Product Type | ["Aircraft"] | Product Subtype | ["Large Airplane"] |
| CFR Part | --- - Part 39 | CFR Section | N/A |
| Citation | This information is not available. | ||
| Manufacturer(s) | Lockheed Aircraft Corporation |
| Model(s) | 49-46 |
47-10-11 LOCKHEED: (Was Mandatory Note 13 of AD-763-3.) Applies to All Model 49 Serials Up to and Including 2088.
Compliance required not later than 200 hours of operation after March 1, 1947.
Replace all Fenwall Type S-2223 fire detector units on fire seals and firewalls and in nacelles and cabin heater compartments with Type 17343-3-450 fire detector units (100 units for each Model 49-51 aircraft, 116 units for each Model 49-46 aircraft.)
(LAC Service Bulletin 49/SB-65 covers this same subject.)