Service difficulty report · Oil System · Boeing 777222

Difficulty date
September 21, 2007
Submitted
September 28, 2007
Operation
Air carrier
Aircraft
N220UA
Make and model
Boeing 777222
Aircraft serial
30223
Aircraft time
25,222 hours, 3,338 cycles
Engine
Pwa PW4090
Engine time
34,786 hours, 4,991 cycles
Part
Oil System
Condition
Overtemp
Location
Nr 1 Engine
Stage of operation
NR
How discovered
O
Nature of condition
M, J
Precautionary procedure
E

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

What was found

NR 1 ENGINE HIGH OIL TEMPERATURE. 10-19-07 REPLACED SERVO FUEL HEAT EXCHANGER. ACCOMPLISHED PACK BURN AND FIM 71 -08 TASK 821 AFTER REPLACEMENT. NO ODOR IN CABIN. AIRCRAFT RETURNED TO SERVICE.