Service difficulty report · Valve · Boeing 757222

Difficulty date
March 5, 2011
Submitted
March 7, 2011
Operation
Air carrier
Aircraft
N586UA
Make and model
Boeing 757222
Aircraft serial
26710
Aircraft time
58,671 hours, 20,784 cycles
Engine
Pwa PW2037
Part
Valve
Part number
505P04403
Part serial
12201
Condition
Leaking
Location
Nr 1 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

FUEL LEAKING FROM NR 1 ENG TURBINE CASE ABOVE FUEL DIVERTER VALVE. FUEL IS DRIPPING FROM M FLANGE ABOVE FUEL DISTRIBUTION VALVE. WHILE BORO COMBUSTOR. FUEL NOT DRIPPING FROM SPRAY END. FUEL IS IN COLD SIDE BETWEEN CASE AND OUTER LINER. RAN ENG STILL LEAKS. NEED TO GO IN WITH FLEX SCOPE AND TRY TO ID POSSIBLE BAD NOZZLE ON BULKED SIDE. REPLACED FUEL DIST VLV NR 2 ENG, NO HELP. WENT BACK IN LOWER IGNITER PLUG FOUND FUEL DRIPPING FROM NOZZLE AROUND 6 O'CLOCK ONE DOWN FROM LOWER IGNITER, HOLE. DISCONNECTED NOZZLE LINE. FUEL COMING FROM LINE FROM DIST VALVE. RAN ENG NO LEAK RUNNING.