47-49-07: Drag Link Bolt Replacement
FAA order 47-49-07 is an airworthiness directive. The FAA's subject line: Drag Link Bolt Replacement. System: other and general.
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 (599 characters)
47-49-07 LOCKHEED: (Was Mandatory Note 40 of AD-763-3.) Applies to All Model 49 Serials Up to and Including 2088, Unless Equipped With MLG Drag Strut Dampers.
Compliance required prior to February 1, 1948.
(a) Replace the NAS 58A65 bolt used to connect the two halves of each MLG upper drag link assembly, LAC P/N 283418 and 288983, with a 5/8-inch diameter high strength bolt, LAC P/N 297902.
(LAC Service Bulletin 49/SB-368 covers installation of MLG shock strut dampers.)
(b) Reduce MLG shock strut inflation pressures to provide a static extension of 2 inches at maximum landing weight.
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/47-49-07.json · aircraft systems.