Service difficulty report · Motor · Boeing 747422

Difficulty date
April 25, 2013
Submitted
May 24, 2013
Operation
Air carrier
Aircraft
N104UA
Make and model
Boeing 747422
Aircraft serial
26902
Aircraft time
62,797 hours, 7,292 cycles
Engine
Pwa PW4056
Part
Motor
Part number
60B8004237
Part serial
7085
Condition
Inoperative
Location
Te Flap
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

'FLAPS PRIMARY' EICAS CAUTION MESSAGE DISPLAYED. INBOARDD OR OUTBOARD TRAILING EDGE HYD FLAP DISAGREE OR LEADING EDGE PNEU FLAP DISAGREE (INHIBITED BY 'FLAPS DRIVE' L27108 AND 'FLAPS CONTROL' L27109). ON RETRACTION ON GROUND FOUND RIGHT I/B DRIVE MOTOR INOPERATIVE IN PRIMARY AND ALTERNATE MODES. REPLACED, RIGGED AND ALL OPS NORMAL IAW AMM.