Service difficulty report · Line · Boeing 777222

Difficulty date
December 28, 2012
Submitted
February 1, 2013
Operation
Air carrier
Aircraft
N211UA
Make and model
Boeing 777222
Aircraft serial
30217
Aircraft time
45,688 hours, 9,904 cycles
Engine
Pwa PW4077
Part
Line
Condition
Damaged
Location
Oil System
Stage of operation
IN
How discovered
V
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

REFERENCE JIC 2-2135-3 PER VISUAL CHECK A003 CHECK FOUND FUEL OIL COOLER BY PASS VALVE HOUSING CRACKED LP03 AND LS05 TUBE FLANGE HAS A 1-4 IN GAP AND NOT SEATED OR FLUSH. REPLACED DAMAGED LINE. VALVE HOUSING OK FOR SERVICE- CASTING MARKS, PERFORMED IDLE RUN. NO LEAKS NOTED.