48-03-05: Hydraulic Lines
FAA order 48-03-05 is an airworthiness directive. The FAA's subject line: Hydraulic Lines. It names Curtiss Wright C-46: about 8 aircraft on the U.S. register today, though an order usually covers particular versions or serial numbers rather than every one. System: heating, ice protection and utility systems.
What it applies to as the FAA lists it
- Kind of product
- Aircraft
- Makes
- Airlift International, Inc.; Curtiss-Wright Corporation; Flying Tiger Line, Inc.; L. B. Smith Aircraft Corporation; Skyways International Trading and Transport Co.; Tempo Design Corporation
- Models
- C-46A, C-46D, C-46F, C-46R, C-46E, C-46A, C-46D, C-46E, C-46F, C-46A, C-46D, C-46F, C-46F, C-46/CW20-T, Super C-46/CW20-T
- On this site
- Curtiss Wright C-46 8 registered
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 (473 characters)
48-03-05 CURTISS-WRIGHT Applies to all C-46 Series aircraft.
Compliance required by March 1, 1948.
To eliminate hydraulic leaks which can cause a fire, hydraulic tube P/N 20-575-1116-64 located at fuselage Station 50.5 between the brake accumulator and brake metering valve, should be inspected for evidence of chafing on tube assembly tension arm P/N 20-530-1130-1. If insufficient clearance exists, the hydraulic lines must be rerouted and damaged lines replaced.
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/48-03-05.json · aircraft systems.