# AD 65-22-01: Wing Channels

- Type: Airworthiness directive
- Status: Current
- Products: Lester Branchflower Army L-13 Series
- Effective: October 15, 1965
- Published: September 15, 1965
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Large airplane
- Amendment: 39-137
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/3BC459C4664A606B86256A38005A013A.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/65-22-01

## The airworthiness directive

65-22-01 CONVAIR: Amdt. 39-137 Part 39 Federal Register September 15, 1965. Applies to Army Surplus L-13 Series Airplanes (Basic and Modified) Including Restricted Category Airplanes.

Compliance required within the next 50 hours' time in service after the effective date of this AD, unless already accomplished.

There have been failures of channel, P/N 105-1011321-14, which transmits loads from the wing to the lift strut. To correct this condition, accomplish the following:

For aircraft certificated under T.C. 4A15, and for aircraft certificated in the restricted category under Part 8, replace block assemblies, P/N 105-1011321-16 (consisting of .064 24STAL channel, P/N 105-1011321-14 and block P/N 105-1011327) with one piece fittings as indicated in Figures 1 and 2 or an equivalent modification approved by the Chief, Aircraft Engineering Division, FAA Western Region.

This directive effective October 15, 1965.

## Affected data sheets (1) (OpenAirDocs)

The type certificate data sheets whose models the AD names.

- [TCDS TC AR-10](https://openairdocs.org/tcds/TC%20AR-10): Lester Branchflower; names 1 of 1 models: Army L-13 Series

## Registered aircraft it may apply to (OpenAirDocs)

No registered aircraft matched the models it names.

Its text cites no advisory circulars or STCs.

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