Service difficulty report · Connector · Boeing 777222

Difficulty date
March 14, 2011
Submitted
April 4, 2011
Operation
Air carrier
Aircraft
N220UA
Make and model
Boeing 777222
Aircraft serial
30223
Aircraft time
40,813 hours, 5,072 cycles
Engine
Pwa PW40903
Part
Connector
Condition
Damaged
Location
Fuel Valve
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

NR 2 ENG FUEL VALVE DID NOT COMPLETELY CLOSE AT SHUT DOWN, STILL SHOWED FUEL FLOW. SUGGEST REPLACING RELAYS K76204 PCN 566-0640 AND K76207 PCN 566-0648. RELAY K76204 REPLACED, NO HELP. FOUND INTERMITTENT CONNECTIONS AT D71074P AND D71024P. REPAIRED CONNECTIONS, INITIATED WRITE UP FOR NR 2 ENG RUN TO CONFIRM FIX.