EASA SIB 2008-02
FAA SAIB CE-08-11 - Piper PA-23, PA-31 and PA-42 Aeroplanes - Hydraulic Hose P/N 17766-02 (465-138) Potential Failure
Summary
FAA Special Airworthiness Information Bulletin CE-08-11 is an informational bulletin addressing a potential failure of hydraulic hose part number 17766-02 (465-138) on New Piper Aircraft models PA-23, PA-31, and PA-42. The hydraulic hose failure may cause loss of pressure needed to extend the landing gear, affecting all serial numbers of the listed Piper aircraft. This bulletin alerts operators and maintenance personnel to inspect and monitor this specific hydraulic hose for deterioration.
What Changed
This bulletin introduces an airworthiness concern regarding the hydraulic hose P/N 17766-02 (465-138) installed on various Piper aircraft models. It highlights a reported incident involving hose rupture and recommends inspection and replacement if deterioration or leaks are found. The bulletin does not mandate actions but provides safety information and guidance for operators.
Why It Matters
The potential failure of the hydraulic hose can lead to landing gear extension failure, posing a significant safety risk during landing. Aviation professionals, including operators and maintenance organizations, need to be aware of this issue to prevent possible accidents and costly damage. Early detection and replacement of deteriorated hoses can ensure continued airworthiness and safe operation of affected Piper aircraft.
What To Do
Operators and maintenance personnel should inspect the landing gear hydraulic hose P/N 17766-02 (465-138) for any leaks or signs of deterioration. If any issues are detected, the hydraulic hose should be replaced before further flight. No specific compliance deadline is provided, but prompt inspection is advised to mitigate risk.
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