Service difficulty report · Valve · Boeing 737232

Difficulty date
July 15, 1999
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N311DL
Make and model
Boeing 737232
Aircraft serial
23083
Engine
Pwa JT8D15
Part
Valve
Condition
Failed
Location
Nr 1 Engine
Component
320115
Stage of operation
CL
Nature of condition
N
Precautionary procedure
A

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

What was found

ENGINE OIL TEMP WAS IN THE YELLOW ZONE AROUND 150 DEG C FOR 15 MINUTES. WHEN THE ENGINE WAS IN IDLE THE TEMP WENT UP TO THE RED LINE. REPLACED NR 1 ENGINE FUEL HEAT VALVE (FOUND OPEN/CLOSE IND TANG HANGING UP ON VALVE BODY IN BOTH DIRECTIONS) PER PFHB DRAINED AND REPLENISHED OIL RESERVOIR. REPLACED MAIN OIL SCREEN. OPERATION AND LEAK CHECK GOOD ON ENGINE RUN.