48-14-03: Wing Center Section Spar
FAA order 48-14-03 is an airworthiness directive. The FAA's subject line: Wing Center Section Spar. System: airframe structure.
What it applies to as the FAA lists it
- Kind of product
- Aircraft
- Makes
- Textron Aviation Inc.
- Models
- Army AT-11, C18S
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 (436 characters)
48-14-03 BEECH: Applies to Models AT-11 and C18S.
Compliance required by next periodic inspection but not later than July 1, 1948.
Inspect the lower member of the center section main wing spar in the landing gear nacelle area for evidence of wear caused by chafing of the cabin heater control housing. To prevent chafing either use clamps to support housing or cover control housing with 20-inch length of synthetic rubber hose.
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/48-14-03.json · aircraft systems.