47-10-27: Fuel Tank Vent Outlets
FAA order 47-10-27 is an airworthiness directive. The FAA's subject line: Fuel Tank Vent Outlets. 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 (301 characters)
47-10-27 LOCKHEED: (Was Mandatory Note 30 of AD-763-3.) Applies to All Model 49 Serials Up to and Including 2078.
Compliance required prior to July 1, 1947.
Install new type fuel tank vent outlets and add extension to fuel dump chutes.
(LAC Service Bulletin 49/SB-201 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/47-10-27.json · aircraft systems.