Service difficulty report · Indicator · Boeing 767322

Difficulty date
March 30, 2012
Submitted
April 24, 2012
Operation
Air carrier
Aircraft
N656UA
Make and model
Boeing 767322
Aircraft serial
25394
Aircraft time
81,635 hours, 13,026 cycles
Engine
Pwa PW4060
Part
Indicator
Part number
SRDLOC12H
Part serial
44
Condition
Faulted
Location
Te Flaps
Stage of operation
TX
How discovered
O
Nature of condition
O
Precautionary procedure
D

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

What was found

FLAP NEEDLE SPLIT WHEN FLAPS DROPPED FROM 5 THRU 25, NEEDLES ALIGNED AT 25, SPLIT AT 30. CYCLED FLAPS AND DUPLICATED SPLIT AGAIN WHEN FLAPS DROPPED THRU EACH POSITION. FLAPS DRIVE SMOOTH HYDRAULICALLY, SUSPECT FLAP POSITION INDICATOR SYSTEM. REPLACED MODULE FLAPS ALT ELECTRIC INOPERATIVE. LOCKED UP AT 1. REPLACED K351 RELAY PER MM. FOUND NORMAL WPB29498 31271. TROUBLESHOT PER FIM. FOUND ELEC MOTOR POWERED IN BOTH DIRECTIONS AND SOUNDS LIKE ITS SPINNING BUT OUTPUT SHAFT DOES NOT TURN. REMOVED MOTOR PER MM. INSTALLED ALT TE FLAP ELECTRIC MOTOR PER MM. ACCOMPLISHED TEST OF ALT MOTOR, OP'S CHECKED GOOD.