# AD 71-04-04: Failure Water Door Tension Rod

- Type: Airworthiness directive
- Status: Current
- Products: Bombardier CL-215-1A10
- Effective: February 25, 1971
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Large airplane
- Amendment: 39-1156
- Registered aircraft: 2 may be affected, by airframe or engine model (OpenAirDocs)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/594884C5EC57A94086256E520053ADDD.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/71-04-04

## The airworthiness directive

71-04-04 CANADAIR AIRCRAFT: Amdt. 39-1156. Applies to all CL-215-1A10 airplanes certificated in all categories.

Compliance required as indicated.

To prevent hazards in flight associated with fatigue failure of water door tension rod, P/N 215-26058-12, accomplish either (a) or (b):

  (a) Before further flight, replace water door tension rods, P/N 215-26058-12, which have accumulated a maximum of 700 water drops and at each 700 water drops thereafter, with unused parts of the same part number or with equivalent unused parts approved by the Chief, Engineering and Manufacturing Branch, FAA Eastern Region. For the purpose of this Airworthiness Directive, a water drop is defined as the operation of the water door mechanism with the tanks fully or partially filled, and does not include operations performed for checking the mechanism with the water tanks empty.

  (b) Before further flight, replace water door tension rods, P/N 215-26058-12, which have accumulated a maximum of 700 water drops, with water door tension rods P/N 215-26105-3 or with equivalent new parts approved by the Chief, Engineering & Manufacturing Branch, FAA Eastern Region.

  (c) The replacement schedule specified in (a) may be decreased by the Chief, Engineering & Manufacturing Branch, FAA Eastern Region, upon receipt of substantiating data submitted through an FAA Maintenance Inspector.

This amendment is effective February 25, 1971.

## Affected data sheets (1) (OpenAirDocs)

The type certificate data sheets whose models the AD names.

- [TCDS A14EA](https://openairdocs.org/tcds/A14EA): De Havilland Aircraft of Canada Limited; names 1 of 3 models: CL-215-1A10

## 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: 2 (2 by airframe model, 0 by engine model)
- Makers: Canadair 2

Models with the most aircraft:

- [Canadair CL215 1A10](https://openairdocs.org/model/canadair-cl215-1a10): 2 aircraft (airframe model)

All 1 models: https://openairdocs.org/ad/71-04-04/models.md
Every aircraft: https://openairdocs.org/ad/71-04-04/aircraft.md

Its text cites no advisory circulars or STCs.

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