Service difficulty report · Valve · Boeing 72723

Difficulty date
September 19, 1998
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N717DH
Make and model
Boeing 72723
Aircraft serial
19389
Engine
Pwa JT8D7
System (JASC)
7312 · Fuel Heater
Part
Valve
Part number
320115
Condition
Failed
Location
Nr 1 Engine
Stage of operation
CL
Nature of condition
M, J
Precautionary procedure
A, E

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

What was found

ON CLIMBOUT, NR 1 ENG FUEL HEAT VALVE LIGHT CAME ON. OIL TEMP ROSE TO 140 DEGREES CELSIUS. RETARDED THROTTLE AND HEAT ROSE TO 145 DEGREES. INCREASED THROTTLE TO 80 PERCENT N2 AND TEMP DECREASED TO 140 DEGREES AFTER 15 MIN. SHUT DOWN ENGINE PER AOM. OIL TEMP EXCEEDED 120 DEGREES FOR 21 MIN ALL OTHER INDICATIONS NORMAL. REPLACED FUEL HEAT VALVE, REPLACED OIL AND OIL FILTER PER MM 72-00 RAN ENG FOR 5 MIN, INDICATIONS NORMAL.

More about the Boeing 727-23