# AD 47-21-02: 20-Ampere Landing Light Fuse

- Type: Airworthiness directive
- Status: Current
- Products: Fairchild Personal Planes Division, Fairchild Engine and 24R46, 24R46S, 24W-46 and 24W-46S
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Small airplane
- Registered aircraft: 105 may be affected, by airframe or engine model (OpenAirDocs)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/4300CA5536FCA84F86256A38004EEC6B.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/47-21-02

## The airworthiness directive

47-21-02 FAIRCHILD: (Was Mandatory Note 8 of AD-707-2 and Mandatory Note 5 of AD-706-1.) Applies to 24R-46 and -46S, and 24W-46 and -46S Aircraft.

Compliance required prior to July 1, 1947.

Replace the landing light fuse with one of 20-ampere capacity.

(Fairchild Service Bulletin 47-24-1 dated January 8, 1947, covers this same subject.)

## Affected data sheets (2) (OpenAirDocs)

The type certificate data sheets whose models the AD names.

- [TCDS A-706](https://openairdocs.org/tcds/A-706): Fairchild Personal Planes Division Fairchild Engine and Airplane Corp.; names 2 of 7 models: 24R46, 24R46S
- [TCDS A-707](https://openairdocs.org/tcds/A-707): Fairchild Personal Planes Division Fairchild Engine and Airplane Corp.; names 2 of 10 models: 24W-46, 24W-46S

## 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: 105 (105 by airframe model, 0 by engine model)
- Makers: Fairchild 105

Models with the most aircraft:

- [Fairchild 24W-46](https://openairdocs.org/model/fairchild-24w-46): 53 aircraft (airframe model)
- [Fairchild 24R-46](https://openairdocs.org/model/fairchild-24r-46): 50 aircraft (airframe model)
- [Fairchild 24R-46S](https://openairdocs.org/model/fairchild-24r-46s): 1 aircraft (airframe model)
- [Fairchild 24W-46S](https://openairdocs.org/model/fairchild-24w-46s): 1 aircraft (airframe model)

All 4 models: https://openairdocs.org/ad/47-21-02/models.md
Every aircraft: https://openairdocs.org/ad/47-21-02/aircraft.md

Its text cites no advisory circulars or STCs.

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