Service difficulty report · Seal · Boeing 777222

Difficulty date
March 31, 2011
Submitted
April 27, 2011
Operation
Air carrier
Aircraft
N216UA
Make and model
Boeing 777222
Aircraft serial
30549
Aircraft time
43,959 hours, 5,602 cycles
Engine
Pwa PW40903
Part
Seal
Part number
MS29513330
Condition
Leaking
Location
Nr 2 Engine
Stage of operation
IN
How discovered
V
Nature of condition
K
Precautionary procedure
K

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

What was found

ENG 2 FUEL LEAK FROM DRAIN NR 9 (STRUT) FOUND ON PREFLIGHT CHECK. LEAK CHECK TO BE CARRIED OUT. SAMC TEXT: THIS IS NR 2 ENG THAT REQUIRES FUEL LINE LEAK CHECK DUE TO O-RINGS HAVE BEEN CHANGED ON THE STRUT COUPLING LOCATION. SAMC TEXT: REPAIR PER MM. FUEL LEAK FOUND FROM FUEL FEED LINE STRUT. TUBE ASSY COUPLING SEAL. QTY 2 SEALS REPLACED. MOTORING CARRIED OUT. NO FUEL LEAK FROM DRAIN NR 9. SEAL P/N MS29513-330. PCN 752-1263. ACCOMPLISHED 10 MINUTE IDLE LEAK CHECK. NO LEAKS NOTED FROM DRAIN LINE NR 9, OPENED AND VERIFIED NO LEAK AT COUPLING. ACP INSPECTION OF FUEL COUPLING SEAL REPLACEMENT. NO OBVIOUS DEFECTS OR LEAKS NOTED AFTER 10 MINUTE ENGINE IDLE RUN.