Service difficulty report · Fuel/Oil Cooler · Boeing 777222

Difficulty date
March 28, 2010
Submitted
April 7, 2010
Operation
Air carrier
Aircraft
N780UA
Make and model
Boeing 777222
Aircraft serial
26944
Aircraft time
55,369 hours, 10,105 cycles
Engine
Pwa PW4077
Part
Fuel/Oil Cooler
Part number
471111203600U
Part serial
CSGCAR6674
Condition
Leaking
Location
Nr 2 Engine
Stage of operation
IN
How discovered
O
Nature of condition
O
Precautionary procedure
K

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

What was found

NR 2 ENG OIL CONS EXCEEDS LIMIT. PER SAMC SUSPECT FUEL OIL HEAT EXCHANGE INTERNAL LEAK. REMOVED FUEL OIL HEAT EXCH. REPLACED FUEL OIL COOLER, PERFORMED HI POWER RUN PER MM. ALL OPS AND IND NORMAL, NO FAULTS OR LEAKS NOTED.