# AD 47-32-13: Tail Rotor Rivet Replacement

- Type: Airworthiness directive
- Status: Current
- Products: Scotts-Bell 47 47B and 47B3
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Rotorcraft
- Registered aircraft: 1 may be affected, by airframe or engine model (OpenAirDocs)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/C06B13C3A06A83CF86256A34004DC457.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/47-32-13

## The airworthiness directive

47-32-13 BELL: (Was Mandatory Note 13 of AD-1H-1.) Applies to Models 47B and 47B3 Helicopters.

Compliance required at the next 100-hour teardown inspection.

Additional strength in the antitorque rotor control system has been found desirable as a result of service experience. This may be accomplished by replacing the aluminum alloy rivets in the tail rotor pitch adjustment rod assembly with steel rivets.

(Bell Service Bulletin 47C44 dated June 16, 1947, also covers this same subject.)

## Affected data sheets (1) (OpenAirDocs)

The type certificate data sheets whose models the AD names.

- [TCDS H-1](https://openairdocs.org/tcds/H-1): Scott's-Bell 47 Inc; names 2 of 9 models: 47B, 47B3

## 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 (1 by airframe model, 0 by engine model)
- Makers: Bell 1

Models with the most aircraft:

- [Bell 47B](https://openairdocs.org/model/bell-47b): 1 aircraft (airframe model)

All 1 models: https://openairdocs.org/ad/47-32-13/models.md
Every aircraft: https://openairdocs.org/ad/47-32-13/aircraft.md

Its text cites no advisory circulars or STCs.

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