- 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 | 18 KB | 208157f4…142b887 | FAA DRS (API key needed) |
On this page
The airworthiness directive
47-10-03 LOCKHEED: (Was Mandatory Note 2 of AD-763-3.) Applies Only to Model 49 Serial Numbers 2021 to 2079, Inclusive.
Compliance required prior to March 1, 1947.
(Note: AD 47-10-02 must be complied with prior to or in conjunction with this Note.)
Install non-trip-free circuit breakers in the rudder and elevator auxiliary boost motor circuits, in place of switches and relays, and revise the wiring of the circuits as necessary. (LAC Service Bulletin 049/SB-22 covers this same subject.)
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.