47-10-25: Generator Mounting Bolts
FAA order 47-10-25 is an airworthiness directive. The FAA's subject line: Generator Mounting Bolts. System: electrical power.
What it applies to as the FAA lists it
- Kind of product
- Aircraft
- Makes
- Lockheed Aircraft Corporation
- Models
- 49-46
Dates and paperwork
- Docket
- Unknown
- Status
- Current
- The FAA's document
- Read the order on the FAA's site
The order itself the regulatory text, as published
Show the full text (466 characters)
47-10-25 LOCKHEED: (Was Mandatory Note 28 of AD-763-3.) Applies to All Model 49 Serials Incorporating Eclipse Type 1193, Model 1, Style A Generators on Which the Serial Numbers Are Not Followed by the Letter "M".
Compliance required prior to March 1, 1947.
Replace the 12 mounting head-to-yoke bolts in each generator with new 1/4-inch bolts (P/N 63937 referred to in Eclipse-Pioneer Bulletin No. 70).
(LAC Service Bulletin 49/SB-64 covers this same subject.)
Source: FAA Dynamic Regulatory System, airworthiness directives. The FAA's document is the authority; the register counts are this site's, from the FAA register of November 6, 2026. Connections as data: /graph/directive/47-10-25.json · aircraft systems.