Service difficulty report · Relief Valve · Doug DC983

Difficulty date
August 5, 2004
Submitted
January 19, 2005
Operation
Air carrier
Aircraft
N968AS
Make and model
Doug DC983
Aircraft serial
53016
Engine
Pwa JT8D217C
Engine time
47,938 hours, 29,205 cycles
Part
Relief Valve
Condition
Failed
Location
Rt Engine
Stage of operation
CL
How discovered
O
Nature of condition
K, J
Precautionary procedure
E, A

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

CLIMB, OIL PRESSURE AND QUANTITY INDICATIONS DROPPED BELOW ACCEPTABLE LEVELS. ENGINE WAS SHUTDOWN IN FLIGHT, AND ATB TO LAX WAS EXCUTED. REMOVED AND REPLACED ENGINE DUE INDICATION OF INTERNAL FAILURE. REPLACED OIL PRESSURE RELIEF VALVE. OP AND LEAK CHECKED OK. NO INTERNAL FAILURE FOUND. (K)

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