47-10-07: Landing Gear Restriction Valve
FAA order 47-10-07 is an airworthiness directive. The FAA's subject line: Landing Gear Restriction Valve. System: engine.
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 (377 characters)
47-10-07 LOCKHEED: (Was Mandatory Note 8 of AD-763-3.) Applies Only to Model 49 Serial Numbers 2021 to 2088, Inclusive.
Compliance required prior to April 1, 1947.
Replace the existing restrictor valve (P/N 66404) in each main landing gear down line with a winterized type restrictor valve (LAC P/N 667489.)
(LAC Service Instruction 049/SI-75, 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/47-10-07.json · aircraft systems.