# AD 65-26-02: Control Column Covers

- Type: Airworthiness directive
- Status: Current
- Products: Learjet 23
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Small airplane
- Amendment: 39-159
- Registered aircraft: 6 may be affected, by airframe or engine model (OpenAirDocs)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/20475630FB33E40A86256A38006253D8.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/65-26-02

## The airworthiness directive

65-26-02 LEARJET: Amdt. 39-159 Part 39 Federal Register November 25, 1965. Applies to Model 23 Airplanes.

Compliance required before further flight, unless already accomplished.

To prevent runaway aileron or stabilizer trim due to shorting of wires, accomplish the following:

  (a) Remove two side screws holding control column covers, P/N 2315153-015 (Figure 59-7 Lear Parts Cat.). If screw length exceeds 3/8-inch, rework before further flight in accordance with Lear Jet Corporation instructions.

  (b) Remove lens, P/N 2315155-025; bracket, P/N 2315155-024; and two attaching screws (Figure 59-33-34-35, Lear Parts Catalog). Remove map light. Cap and stow map light wires. Do not replace any parts. Leave cavity open. If wiring in cavity is damaged, rework before further flight in accordance with Lear Jet Corporation instructions.

  (c) It is requested that the inspection results be reported by telegraph or telephone to FAA, CE-200, 4820 Troost Avenue, Kansas City, Missouri.

This directive effective upon publication in the Federal Register for all persons except those to whom it was made effective immediately by telegram dated November 17, 1965.

## Affected data sheets (1) (OpenAirDocs)

The type certificate data sheets whose models the AD names.

- [TCDS A5CE](https://openairdocs.org/tcds/A5CE): Learjet Inc.; names 1 of 1 models: 23

## Registered aircraft it may apply to (OpenAirDocs)

Matched by airframe and engine model; the AD's applicability may narrow it by serial number, part number or equipment.

- Aircraft: 6 (6 by airframe model, 0 by engine model)
- Makers: Learjet 6

Models with the most aircraft:

- [Learjet 23](https://openairdocs.org/model/learjet-23): 6 aircraft (airframe model)

All 1 models: https://openairdocs.org/ad/65-26-02/models.md
Every aircraft: https://openairdocs.org/ad/65-26-02/aircraft.md

Its text cites no advisory circulars or STCs.

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