Service difficulty report · Transmitter · Boeing 7374B7

Difficulty date
October 2, 2011
Submitted
October 3, 2011
Operation
Air carrier
Aircraft
N451UW
Make and model
Boeing 7374B7
Aircraft serial
24934
Aircraft time
56,608 hours, 37,273 cycles
Part
Transmitter
Part number
1817389
Part serial
0928
Condition
Unreliable
Location
Te Flap
Part time
60,848 hours, 41,013 cycles
Stage of operation
AP
How discovered
O
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

ON APPROACH FLAPS 1 DEGREE SELECTED, FLAP GAGE SPLIT W/ LEFT NEEDLE AT 0 DEGREE. NO ROLL OR DISPLACED YOKE. MOVED FLAP LEVER TO 2 DEGREE, 5 DEGREE AND BACK UP - NO FLAP MOVEMENT, RESELECTED FLAPS 1 DEGREE AND AFTER APPROX 5 MIN LEFT NEEDLE WENT TO 1 DGREE AND FLAPS WORKED NORMAL. MADE NORMAL FLAPS 30 DEGREE LANDING. BROUGHT FLAP HANDLE UP ON TAXI IN AND FLAPS RETRACTED NORMALLY. REPLACED NR 1 FLAP POSITION TRANSITTER PER AMM 27-58-12-404-006. CHECKS OK.

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