# AD 85-09-04: Main Rotor Blades

- Type: Airworthiness directive
- Status: Current
- Products: Bell Helicopter Textron Canada 206L, 206L-1 and 206L-3
- Effective: May 20, 1985
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Rotorcraft
- Amendment: 39-5055
- Registered aircraft: 318 may be affected, by airframe or engine model (OpenAirDocs)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/5CB748C5D9E483BA86256A4E00500C44.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/85-09-04

## The airworthiness directive

85-09-04 BELL HELICOPTER TEXTRON, INC.: Amendment 39-5055. Applies to Model 206L, 206L-1, and 206L-3 helicopters that have main rotor blades, Part Number (P/N) 206-015-001-001 or 206-015-001-103, with inboard trim tabs, P/N 206-015-516-101, installed.

Compliance is required within the next 50 hours time in service after the effective date of this AD, unless already accomplished.

To prevent possible loss of the main rotor blade, accomplish the following:

  (a) Remove all main rotor inboard trim tabs, P/N 206-015-516-101, in accordance with Part II, paragraph A of BHTI Alert Service Bulletin 206L-85-35, dated February 26, 1985.

  (b) Accomplish the inspection and repair procedures as necessary in accordance with Part II, paragraphs B & C of BHTI Alert Service Bulletin 206L-85-35, dated February 26, 1985.

  (c) Any equivalent method of compliance with this AD must be approved by the Manager, Helicopter Certification Branch, Southwest Region, Federal Aviation Administration, P.0. Box 1689, Fort Worth, Texas 76101.

  (d) In accordance with FAR Sections 21.197 and 21.199, flight is permitted to a base where the inspection and repair procedures required by this AD may be accomplished.

The manufacturer's specifications and procedures identified and described in this directive are incorporated herein and made a part hereof pursuant to 5 U.S.C. 552(a)(1). All persons affected by this directive who have not already received these documents from the manufacturer may obtain copies upon request to Bell Helicopter Textron, Inc., P.O. Box 482, Fort Worth, Texas 76101.

This amendment becomes effective May 20, 1985.

## 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 3 of 12 models: 206L, 206L-1, 206L-3

## 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: 318 (318 by airframe model, 0 by engine model)
- Makers: Bell 165, Bell Helicopter Textron 149, Bell Helicopter Textron Canada 4

Models with the most aircraft:

- [Bell 206L-3](https://openairdocs.org/model/bell-206l-3): 159 aircraft (airframe model)
- [Bell Helicopter Textron 206L-1](https://openairdocs.org/model/bell-helicopter-textron-206l-1): 149 aircraft (airframe model)
- [Bell 206L](https://openairdocs.org/model/bell-206l): 6 aircraft (airframe model)
- [Bell Helicopter Textron Canada 206L-3](https://openairdocs.org/model/bell-helicopter-textron-canada-206l-3): 4 aircraft (airframe model)

All 4 models: https://openairdocs.org/ad/85-09-04/models.md
Every aircraft: https://openairdocs.org/ad/85-09-04/aircraft.md

Its text cites no advisory circulars or STCs.

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