# AD 50-41-01: Elevator Horn Bolt

- Type: Airworthiness directive
- Status: Current
- Products: Taylorcraft 2000 BC, BC-65, BC12-65, BC12-D, BC12-D1, BC12D-4-85, BC12D-85, BCS, BCS-65, BCS12-65, BCS12-D, BCS12-D1 and 16 more
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Small airplane
- Registered aircraft: 1,567 may be affected, by airframe or engine model (OpenAirDocs)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DD69D721A88A2F9586256A56006C8112.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/50-41-01

## The airworthiness directive

50-41-01 TAYLORCRAFT: Applies to All Model B Series Aircraft, Serial Numbers 1001 and Up.

Compliance required not later than November 15, 1950.

Reports have been received of interference between the elevator horn bolt and the fin cover plate apparently caused by improper field installation of the cover plate through bolt. Cases are known where the bolt has worn through the cover plate and such interference may result in jamming of the elevator control system. An inspection of the parts should be made and if evidence of interference is noted, suitable means of preventing the cover plates from interfering with the elevator horn bolt should be incorporated; a spacer bushing at least 1/4 x 0.028 x 1 1/4 inches installed around the cover plate through bolt is considered satisfactory.

(Taylorcraft, Inc. Service Bulletin 65 covers this same subject.)

## Affected data sheets (3) (OpenAirDocs)

The type certificate data sheets whose models the AD names.

- [TCDS A-696](https://openairdocs.org/tcds/A-696): Taylorcraft 2000 LLC; names 14 of 14 models: BCS, BC-65, BC12-D, BC12-65, BCS12-D, BC, BCS-65, BCS12D-4-85…
- [TCDS A-699](https://openairdocs.org/tcds/A-699): Taylorcraft Inc.; names 8 of 8 models: BFS-60, BF, BFS-65, BF12-65, BF-65, BFS, BFS12-65, BF-60
- [TCDS A-700](https://openairdocs.org/tcds/A-700): Taylorcraft Inc.; names 6 of 6 models: BL-65, BLS12-65, BL12-65, BLS, BLS-65, BL

## 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: 1,567 (1,567 by airframe model, 0 by engine model)
- Makers: Taylorcraft 1,566, Taylorcraft/Ellis 1

Models with the most aircraft:

- [Taylorcraft BC12-D](https://openairdocs.org/model/taylorcraft-bc12-d): 1,011 aircraft (airframe model)
- [Taylorcraft BL-65](https://openairdocs.org/model/taylorcraft-bl-65): 134 aircraft (airframe model)
- [Taylorcraft BC-65](https://openairdocs.org/model/taylorcraft-bc-65): 109 aircraft (airframe model)
- [Taylorcraft BC12-65](https://openairdocs.org/model/taylorcraft-bc12-65): 104 aircraft (airframe model)
- [Taylorcraft BC12-D1](https://openairdocs.org/model/taylorcraft-bc12-d1): 76 aircraft (airframe model)
- [Taylorcraft BC12D-85](https://openairdocs.org/model/taylorcraft-bc12d-85): 28 aircraft (airframe model)
- [Taylorcraft BC](https://openairdocs.org/model/taylorcraft-bc): 17 aircraft (airframe model)
- [Taylorcraft BL12-65](https://openairdocs.org/model/taylorcraft-bl12-65): 16 aircraft (airframe model)
- [Taylorcraft BF12-65](https://openairdocs.org/model/taylorcraft-bf12-65): 14 aircraft (airframe model)
- [Taylorcraft BL](https://openairdocs.org/model/taylorcraft-bl): 13 aircraft (airframe model)
- [Taylorcraft BCS12-D](https://openairdocs.org/model/taylorcraft-bcs12-d): 11 aircraft (airframe model)
- [Taylorcraft BF](https://openairdocs.org/model/taylorcraft-bf): 9 aircraft (airframe model)
- [Taylorcraft BF-65](https://openairdocs.org/model/taylorcraft-bf-65): 9 aircraft (airframe model)
- [Taylorcraft BC12D-4-85](https://openairdocs.org/model/taylorcraft-bc12d-4-85): 6 aircraft (airframe model)
- [Taylorcraft BCS12D-4-85](https://openairdocs.org/model/taylorcraft-bcs12d-4-85): 5 aircraft (airframe model)
- [Taylorcraft BCS-65](https://openairdocs.org/model/taylorcraft-bcs-65): 2 aircraft (airframe model)
- [Taylorcraft BCS12-65](https://openairdocs.org/model/taylorcraft-bcs12-65): 1 aircraft (airframe model)
- [Taylorcraft BF-60](https://openairdocs.org/model/taylorcraft-bf-60): 1 aircraft (airframe model)
- [Taylorcraft/Ellis BL-65](https://openairdocs.org/model/taylorcraft-ellis-bl-65): 1 aircraft (airframe model)

All 19 models: https://openairdocs.org/ad/50-41-01/models.md
Every aircraft: https://openairdocs.org/ad/50-41-01/aircraft.md

Its text cites no advisory circulars or STCs.

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