# AD 73-19-08: Strap Fittings and Pins

- Type: Airworthiness directive
- Status: Current
- Products: Bell Helicopter Textron Canada 206A, 206A-1 (OH-58A), 206B and 206B-1
- Effective: September 15, 1973
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Rotorcraft
- Amendment: 39-1714
- Registered aircraft: 861 may be affected, by airframe or engine model (OpenAirDocs)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/93E512579CC16C1D86256A34005381F8.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/73-19-08

## The airworthiness directive

73-19-08 BELL: Amdt. 39-1714. Applies to Bell Model 206A, 206B, 206A-1 and 206B- 1 helicopters certificated in all categories.

Compliance required as indicated.

To prevent possible fatigue cracks in the main rotor retention strap fittings P/N 206-010- 155-11 and -15, and the main rotor retention strap pin, P/N 206-010-123-3, accomplish the following:

a. Remove and replace retention strap fittings, P/N 206-010-155-11 and -15 and pins, P/N 206-010-123-3, with 1100 or more hours total time in service on the effective date of this AD within the next 100 hours time in service.

b. Remove and replace fittings, P/N 206-010-155-11 and -15 and pins, P/N 206- 010-123-3 with less than 1100 hours total time in service on the effective date of this AD, prior to accumulating 1200 hours total time in service.

c. Install replacement fittings and pins in accordance with the appropriate model maintenance and overhaul information manuals and provide corrosion protection as specified in Bell Helicopter Company, Technical Bulletin No. 206-(04-1)-73-1, dated March 9, 1973 or later FAA approved revision or as specified in an equivalent procedure approved by the Chief, Engineering and Manufacturing Branch, Flight Standards Division, Southwest Region, Federal Aviation Administration.

This amendment becomes effective September 15, 1973.

## Affected data sheets (1) (OpenAirDocs)

The type certificate data sheets whose models the AD names.

- [TCDS H2SW](https://openairdocs.org/tcds/H2SW): Bell Textron Canada Limited; names 4 of 12 models: 206B, 206A, 206B-1, 206A-1 (OH-58A)

## 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: 861 (861 by airframe model, 0 by engine model)
- Makers: Bell 822, Bell Helicopter Textron 29, Bell Helicopter Textron Canada 10

Models with the most aircraft:

- [Bell 206B](https://openairdocs.org/model/bell-206b): 790 aircraft (airframe model)
- [Bell Helicopter Textron 206B](https://openairdocs.org/model/bell-helicopter-textron-206b): 29 aircraft (airframe model)
- [Bell 206A](https://openairdocs.org/model/bell-206a): 23 aircraft (airframe model)
- [Bell Helicopter Textron Canada 206B](https://openairdocs.org/model/bell-helicopter-textron-canada-206b): 10 aircraft (airframe model)
- [Bell 206A-1](https://openairdocs.org/model/bell-206a-1): 6 aircraft (airframe model)
- [Bell 206B II](https://openairdocs.org/model/bell-206b-ii): 3 aircraft (airframe model)

All 6 models: https://openairdocs.org/ad/73-19-08/models.md
Every aircraft: https://openairdocs.org/ad/73-19-08/aircraft.md

Its text cites no advisory circulars or STCs.

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