SDR 0602489993

Service difficulty report · O-Ring · Doug DC931

Difficulty date
November 18, 2006
Submitted
November 21, 2006
Operation
Air carrier
Aircraft
N8986E
Make and model
Doug DC931
Aircraft serial
47402
Aircraft time
83,161 hours, 76,243 cycles
Engine
Pwa JT8D15A
Engine time
56,172 hours, 39,268 cycles
Part
O-Ring
Condition
Worn
Location
Fuel System
Stage of operation
DE
How discovered
O
Nature of condition
K
Precautionary procedure
O

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

What was found

DURING DESCENT, NR 1 ENGINE THRUST WOULD NOT INCREASE ABOVE IDLE. FLIGHT CREW DECLARED AN EMERGENCY AND LANDED WITHOUT FURTHER INCIDENT. ON THE GROUND, THE TOWER REPORTED A SIGNIFICANT FUEL LEAK FROM THE NR 1 ENGINE. MAINTENANCE FOUND THE INLET COUPLING ON THE P & D VALVE LEAKING. REMOVED AND REPLACED THE PACKING ON THE P & D VALVE COUPLING, TESTED AND RETURNED TO SERVICE.

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