# AD 48-41-01: Wing Bulkhead Flanges and Stringers

- Type: Airworthiness directive
- Status: Current
- Products: Kelowna Flightcraft R & D 240 Series
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Large airplane
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/56AFADD48F78526A862569AB0067BFFD.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/48-41-01

## The airworthiness directive

48-41-01 CONVAIR: Applies to All Model 240 Aircraft.

Compliance required as indicated.

I. Inspect wing bulkhead flanges and stringers at their intersections in the fuel tank area for cracks and repair as necessary at each No. 2 inspection (or equivalent periodic inspection approximating 100 hours) until permanent repairs and rework are accomplished.

II. Complete rework in accordance with CVAC Service Bulletin No. 240-166A dated September 27, 1948, or equivalent should be accomplished not later than the next engine change.

## Affected data sheets (1) (OpenAirDocs)

The type certificate data sheets whose models the AD names.

- [TCDS A-793](https://openairdocs.org/tcds/A-793): Kelowna Flightcraft R & D Ltd.; names 1 of 1 models: 240 Series

## Registered aircraft it may apply to (OpenAirDocs)

No registered aircraft matched the models it names.

Its text cites no advisory circulars or STCs.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.