46-05-01: Fuel Pump Elbow
FAA order 46-05-01 is an airworthiness directive. The FAA's subject line: Fuel Pump Elbow. System: fuel system.
What it applies to as the FAA lists it
- Kind of product
- Aircraft
- Makes
- The Boeing Company
- Models
- 247-D (Army C-73)
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 (605 characters)
46-05-01\tBOEING: (Was Mandatory Note 4 of AD-558-1 and Mandatory Note 4 of AD 524- 1.) Applies to Model 247 Aircraft. \n\tCompliance required not later than next major overhaul. \n\tReplace the elbow located between the engine fuel pump discharge port and the fuel discharge line with a steel elbow of the type AN 822-10 or an equivalent steel elbow to suit the particular pump and discharge line installation. Also, ascertain that there is adequate clearance between the elbow and adjacent engine parts. \n\t(Boeing Service Bulletin No. 3 of D-6134 dated December 17, 1945, 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/46-05-01.json · aircraft systems.