47-10-06: Fuel Tank Shutoff Valves
FAA order 47-10-06 is an airworthiness directive. The FAA's subject line: Fuel Tank Shutoff Valves. System: fuel system.
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 (634 characters)
47-10-06 LOCKHEED: (Was Mandatory Note 7 of AD-763-3.) Applies to All Model 49 Serials Incorporating Parker 4-1042-11-2 Plug Valves in the Fuel System.
Compliance required prior to March 15, 1947.
Rework all fuel tank shutoff and fuel cross transfer valves by installing new type shaft sealing rings, valve caps, packing caps, cap gaskets and cap attachment screws. This rework also applies to valves previously reworked, as identified by the use of countersunk head screws with star lock washers or fillister head screws.
(LAC Service Instruction 049/SI-74, revised September 9, 1946, or subsequent, 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/47-10-06.json · aircraft systems.