| AD Number | 49-05-01 | 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) | 749-79 749A-79 |
49-05-01 LOCKHEED: Applies to All 749 Aircraft Equipped With Curtiss 850-4C2-0 Propeller Blades.
Compliance required by March 25, 1949.
Magnetically inspect the shank section, as far outboard as the 18-inch station, of all 850- 4C2-0 blades delivered before November 1, 1948, having less than 700 hours service and which have not been magnafluxed since delivery, using a coil not greater than 27 inches in diameter and providing at least 8,000 ampere turns, inspection of blades with lowest service time should be accomplished first wherever possible.
(Curtiss Service Bulletin No. 47 covers this same subject.)