# AD 82-11-01: Steel Tube Frame

- Type: Airworthiness directive
- Status: Current
- Products: Robinson Helicopter R22
- Effective: May 21, 1982
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Rotorcraft
- Amendment: 39-4374
- Registered aircraft: 133 may be affected, by airframe or engine model (OpenAirDocs)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/63CC6FB5592D3F6986256A4E00471043.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/82-11-01

## The airworthiness directive

82-11-01 ROBINSON HELICOPTER COMPANY: Amendment 39-4374. Applies to Model R-22 series helicopters certificated in all categories incorporating upper steel tube frame P/N A020-2, Serial No.'s 0002 through 0287.

Compliance required as indicated, unless already accomplished.

To prevent failure of the A020-2 framework which could result in loss of the helicopter, accomplish the following:

  (a) Within 10 hours' additional time in service after the effective date of this AD, visually inspect for cracks in the A020-2 upper steel tube frame per Inspection Procedure No. 1 of Robinson Helicopter Company Service Bulletin No. 18, dated February 15, 1982, or FAA approved equivalent and repeat this inspection thereafter at intervals not to exceed 50 hours' time in service since the last such inspection.

  (b) During the daily preflight, visually check for cracks in the area noted in Figure 1 of Robinson Helicopter Company Service Bulletin No. 18, dated February 15, 1982.NOTE 1: The preflight checks required by paragraph (b) of this AD may be performed by the pilot.

NOTE 2: For the requirements regarding the listing of compliance and method of compliance with this AD in the airplane's permanent maintenance record, see FAR 91.173.

  (c) If cracks are found, replace P/N A020-2 frame with like serviceable part prior to further flight.

  (d) Special flight permits may be issued in accordance with FAR 21.197 and 21.199 to operate rotorcraft to a base for the accomplishment of inspections required by this AD.

  (e) Alternative inspections, modifications, or other actions which provide an equivalent level of safety may be used when approved by the Chief, Western Aircraft Certification Field Office, Northwest Mountain Region.

This amendment becomes effective May 21, 1982.

## Affected data sheets (1) (OpenAirDocs)

The type certificate data sheets whose models the AD names.

- [TCDS H10WE](https://openairdocs.org/tcds/H10WE): Robinson Helicopter Company; names 1 of 4 models: R22

## 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: 133 (133 by airframe model, 0 by engine model)
- Makers: Robinson Helicopter 133

Models with the most aircraft:

- [Robinson Helicopter R22](https://openairdocs.org/model/robinson-helicopter-r22): 131 aircraft (airframe model)
- [Robinson Helicopter R22 BETA II](https://openairdocs.org/model/robinson-helicopter-r22-beta-ii): 2 aircraft (airframe model)

All 2 models: https://openairdocs.org/ad/82-11-01/models.md
Every aircraft: https://openairdocs.org/ad/82-11-01/aircraft.md

Its text cites no advisory circulars or STCs.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.