- Model
- 49-46
- Data sheet
- TCDSA-763
- Registered aircraft
- 1 matched by model
- Product
- Aircraft · Large airplane
Unofficial copy of the text in the FAA’s Dynamic Regulatory System. The FAA’s own copy is the authoritative one. DRS record last changed May 30, 2024.
Copies of the files this page was built from, with their SHA-256. Retrieved October 18, 2026.
| File | Size | SHA-256 | Original |
|---|---|---|---|
| FAA DRS HTML | 20 KB | 4c73f108…f793199 | FAA DRS (API key needed) |
On this page
The airworthiness directive
47-10-17 LOCKHEED: (Was Mandatory Note 19 of AD-763-3.) Applies to All Model 49 Serials Up to and Including 2075.
Compliance required prior to resumption of cabin supercharger operation.
Prior to resumption of cabin supercharger operation, the following Lockheed Service Bulletins must be complied with:
49/SB-107, revised November 22, 1946 - Replacement of Cabin Supercharger Drive Shafts.
49/SB-141, revised August 7, 1946 - Replacement of Cabin Supercharger.
49/SB-156, revised September 17, 1946 - Installation of Supercharger Oil Temperature Indicator.
The revision dates given for these three Bulletins are later than those listed in the Supplement to AD-763 (Special) dated September 25, 1946. Aircraft on which the cabin supercharging equipment was rendered operative in accordance with that Supplement should be checked for compliance with these later revisions dates within the next 150 hours of operation.
Affected TCDS · 1
The type certificate data sheets for the models this AD names, matched by model and maker.
Registered aircraft · 1
Registered aircraft whose airframe or engine model this AD names. Matched by model only, so check each against the AD’s applicability.