Service difficulty report · Unknown · Boeing 777222

Difficulty date
October 26, 2012
Submitted
November 21, 2012
Operation
Air carrier
Aircraft
N788UA
Make and model
Boeing 777222
Aircraft serial
26942
Aircraft time
68,557 hours, 9,700 cycles
Engine
Pwa PW40903
Part
Unknown
Condition
Leaking
Location
Lt Engine
Stage of operation
IN
How discovered
O
Nature of condition
K
Precautionary procedure
O

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

What was found

LEFT ENGINE HAS A RUNNING LEAK WITH FUEL EXITING THE NR 9 STRUT DRAIN. FOLLOWING LEAK DETECTION TROUBLESHOOTING FOUND LEAK HAD STOPPED FROM NR 9 STRUT DRAIN. DRY MOTOR CARRIED OUT STILL NO LEAK EVIDENT 2 WET MOTOR RUNS CARRIED OUT AGAIN NO LEAK NOTED AFTER FURTHER ELAPSED TIME STILL NO LEAK EVIDENT. ACFT CONSIDERED SERVICEABLE.