47-14-02: Main Landing Gear Motors
FAA order 47-14-02 is an airworthiness directive. The FAA's subject line: Main Landing Gear Motors. System: landing gear.
What it applies to as the FAA lists it
- Kind of product
- Aircraft
- Makes
- The Boeing Company
- Models
- S-307, SA-307B, SA-307B-1
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 (646 characters)
47-14-02\tBOEING: (Was Mandatory Note 3 of AD-719-1 and Mandatory Note 3 of AD-726- 1.) Applies to 307 Series Aircraft. \n\tCompliance required prior to May 15, 1947. \n\tInspect the attachment of the main landing gear motors to the retracting unit. Determine, by testing, that the keys in these locations have been heat treated to 200,000-220,000 pounds per square inch. All keys that do not meet this strength specification should be replaced. Aircraft which have had this attachment revised to include an additional gearbox for the hand retracting drive are not subject to this inspection. \n\t(TWA E.O. No 3489 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/47-14-02.json · aircraft systems.