Service difficulty report · Pump · Boeing 747422

Difficulty date
April 24, 2013
Submitted
April 29, 2013
Operation
Air carrier
Aircraft
N199UA
Make and model
Boeing 747422
Aircraft serial
28717
Aircraft time
63,481 hours, 7,393 cycles
Engine
Pwa PW4056
Part
Pump
Condition
Failed
Location
Fuel System
Stage of operation
IN
How discovered
C
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

N.3 FWD FUEL BOOST PUMP FAILED MM TEST, MANDATED BY EQ6283. NR 3 FWD FUEL BOOST PUMP REPLACED PER AMM.