SDR UALA2011011800296

Service difficulty report · Fuel Line · Boeing 747422

Difficulty date: January 17, 2011
Submitted: January 20, 2011
Operation: Air carrier
Aircraft: N116UA
Make and model: Boeing 747422
Aircraft serial: 26908
Aircraft time: 49,659 hours, 5,864 cycles
Engine: Pwa PW4056
System (JASC): 2820 · Aircraft Fuel Distribution System
Part: Fuel Line
Condition: Defective
Location: Fuel System
Stage of operation: NR
How discovered: O
Nature of condition: J
Precautionary procedure: O

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

What was found

'FUEL OVRD CTR L' EICAS STATUS MESSAGE DISPLAYED. LOW FUEL PUMP OUTPUT PRESSURE CENTER TANK LEFT AND PUMP SWITCHED ON WITH FUEL IN TANK GREATER THAN 4000 LBS. CENTER TANK FUEL INCREASED TO 4000 AFTER BEING EMPTY AT A TOTAL FUEL LOAD OF 201.0. REPLACED CENTER TANK JET FUEL PUMP MOTIVE FUEL LINE.