What was found
ENG OIL TEMP R EICAS AND AMBER TEMP DISPLAY, TEMP DISPLAY WENT RED ON GROUND DURING TAXI. REPLACED THE SERVO FUEL HEATER. SHOP TEARDOWN OF THE REMOVED HEATER REVEALED FAILED TUBES IN THE FUEL/OIL HEAT EXCHANGER.
- Difficulty date
- August 5, 2002
- Submitted
- October 1, 2002
- Operation
- Air carrier
- Aircraft
- N773UA
- Make and model
- Boeing 777222
- Aircraft serial
- 26929
- Aircraft time
- 28,524 hours, 6,524 cycles
- Engine
- Pwa PW4077
- Engine time
- 20,626 hours, 4,253 cycles
- System (JASC)
- 7312 · Fuel Heater
- Part
- Fuel Heater
- Part number
- 51A346
- Condition
- Failed
- Location
- Rt Engine
- Stage of operation
- DE
- How discovered
- O
- Nature of condition
- M, J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.