# AD 85-17-04: Elevator Control Rod Tube

- Type: Airworthiness directive
- Status: Current
- Products: Embraer EMB-110P1 and EMB-110P2
- Effective: August 30, 1985
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Small/large airplane
- Amendment: 39-5126
- Registered aircraft: 13 may be affected, by airframe or engine model (OpenAirDocs)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/F394BE056CACD844862569ED0069DB63.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/85-17-04

## The airworthiness directive

85-17-04 EMPRESA BRASILEIRA DE AERONAUTICA S.A. (EMBRAER): Amendment 39-5126. Applies to Models EMB-110P1 and EMB-110P2 (all serial numbers) airplanes certificated in any category which have aluminum elevator control rod tubes installed.

Compliance: Required as indicated, unless already accomplished.

To prevent failure of the elevator control rod tube, accomplish the following:

  (a) Within the next 50 hours time-in-service after the effective date of this AD, visually inspect the elevator control rod tubes, P/N 4A-500-10-09-01, for evidence of corrosion or cracks. If corrosion or cracks are found, prior to further flight replace the control rod tube in accordance with Embraer Service Bulletin (S/B) No. 110-27-076, Revision 01, dated July 2, 1985.

  (b) Within 150 hours time-in-service or 30 (thirty) days, whichever occurs first, after the effective date of this AD, replace both left and right elevator aluminum control rod tubes P/N 4A-500-10-09-01 with steel control rod tubes P/N 110-500-10-00-04-01. Reidentify the elevator control rod assembly with the new P/N 110-500-10-00-09.

  (c) Airplanes may be flown in accordance with Federal Aviation Regulation 21.197 to a location where the AD may be accomplished.

  (d) An equivalent method of compliance with this AD may be used if approved by the Manager, Atlanta Aircraft Certification Office, FAA, 1075 Inner Loop Road, College Park, Georgia 30337; Telephone (404) 763-7428.

All persons affected by this directive may obtain copies of the documents referred to herein upon request to Embraer, Post Office Box 343 - CEP 12.200 Sao Jose Dos Campos, Sao Paulo, Brazil, or FAA, Office of Regional Counsel, Room 1558, 601 East 12th Street, Kansas City, Missouri 64106.

This amendment becomes effective on August 30, 1985.

## Affected data sheets (1) (OpenAirDocs)

The type certificate data sheets whose models the AD names.

- [TCDS A21SO](https://openairdocs.org/tcds/A21SO): Embraer S.A.; names 2 of 2 models: EMB-110P1, EMB-110P2

## 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: 13 (13 by airframe model, 0 by engine model)
- Makers: Embraer 13

Models with the most aircraft:

- [Embraer EMB-110P1](https://openairdocs.org/model/embraer-emb-110p1): 13 aircraft (airframe model)

All 1 models: https://openairdocs.org/ad/85-17-04/models.md
Every aircraft: https://openairdocs.org/ad/85-17-04/aircraft.md

Its text cites no advisory circulars or STCs.

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