Service difficulty report · Valve · Boeing 727222

Difficulty date
July 31, 2001
Submitted
September 12, 2001
Operation
Air carrier
Aircraft
N7286U
Make and model
Boeing 727222
Aircraft serial
21564
Aircraft time
65,168 hours, 37,463 cycles
Engine
Pwa JT8D15
Engine time
62,525 hours, 37,584 cycles
System (JASC)
7312 · Fuel Heater
Part
Valve
Part number
1552121
Condition
Failed
Location
Fuel Heat
Stage of operation
NR
How discovered
O
Nature of condition
M
Precautionary procedure
E, A

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

What was found

NR 1 OIL TEMP IN YELLOW BAND FOR 15 MIN. ENGINE SHUTDOWN AND DIVERTED TO COS. THE FUEL HEAT VALVE FAILED. REPLACED FUEL HEAT VALVE AND DRAINED, REPLACED OIL AND SCREEN. THE MOTOR IN THE ACTUATOR OF THE VALVE ASSEMBLY WAS FOUND TO BE BAD.