# AD 73-10-01: VIGV Scheduling

- Type: Airworthiness directive
- Status: Current
- Products: Rolls-Royce RB211-22B-02, RB211-22B/MOD 72-8700 and RB211-22C-02
- Effective: May 8, 1973
- Superseded by: Nothing supersedes this AD
- Product type: Engine
- Amendment: 39-1633
- Registered aircraft: 191 may be affected, by airframe or engine model (OpenAirDocs)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/69ADA24DAFE944B48625685F005159EE.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/73-10-01

## The airworthiness directive

73-10-01 ROLLS ROYCE (1971) LTD: Amendment 39-1633. Applies to Rolls Royce RB 211-22-02 and RB 211-22-02/10 engines on Lockheed L-1011 airplanes.

Compliance is required as indicated.

To prevent improper VIGV scheduling due to binding of the variable inlet guide vanes master ram feedback control linkage accomplish the following:

At the next disassembly of an engine for cause, after the effective date of this AD, unless already accomplished, remove existing connecting rod Part No. 754/2/27340 from the Variable Inlet Guide Vane Control and -

  (a) Install serviceable modified connecting rod Part No. 754/2/30438 in accordance with Plessey Aerospace Service Bulletin Number IGV 75-1 Revision 1, dated May 22, 1972 or an FAA-approved equivalent; or

  (b) Rework and reinstall serviceable connecting rod Part No. 754/2/27340 in accordance with Plessey Aerospace Service Bulletin Number IGV 75-1 Revision 1, dated May 22, 1972 or an FAA-approved equivalent.

This amendment becomes effective May 8, 1973.

## Affected data sheets (1) (OpenAirDocs)

The type certificate data sheets whose models the AD names.

- [TCDS E12EU](https://openairdocs.org/tcds/E12EU): Rolls-Royce Deutschland Ltd & Co KG; names 1 of 22 models: RB211-22B-02 (MOD 72-8700)

## 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: 191 (0 by airframe model, 191 by engine model)
- Makers: Boeing 189, Airbus 1, Lockheed 1

Models with the most aircraft:

- [Rolls-Royce RB-211 series](https://openairdocs.org/engine/rolls-royce-rb-211-series): 182 aircraft (engine model)
- [Rolls-Royce RB-211-22 series](https://openairdocs.org/engine/rolls-royce-rb-211-22-series): 8 aircraft (engine model)
- [Rolls-Royce RB211-22B-02](https://openairdocs.org/engine/rolls-royce-rb211-22b-02): 1 aircraft (engine model)

All 3 models: https://openairdocs.org/ad/73-10-01/models.md
Every aircraft: https://openairdocs.org/ad/73-10-01/aircraft.md

Its text cites no advisory circulars or STCs.

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