Service difficulty report · Transmitter · Boeing 737852

Difficulty date
February 16, 2020
Submitted
June 2, 2020
Operation
Air carrier
Aircraft
N825AM
Make and model
Boeing 737852
Aircraft serial
36699
Aircraft time
22,938 hours, 8,432 cycles
Part
Transmitter
Part number
18173810
Part serial
3393
Condition
Failed
Location
Te Flap
Part time
52,324 hours, 26,905 cycles
Stage of operation
AP
How discovered
O
Nature of condition
F
Precautionary procedure
K

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

What was found

CAPTAIN REPORTED THAT DURING APPROACH, IT WAS PRESENTED FLAP ASYMMETRY, SO FLIGHT CREW ACCOMPLISHED THE QRH 9.28 PROCEDURE, BEING NECESSARY A MISSED APPROACH. MAINTENANCE PERSONNEL PERFORMED THE FIM 27-51 TASK 801 PROCEDURE, SHOWING FAILURE CODE 27-52260 AND THE FIM 27-51 TASK 820 PROCEDURE, DETECTING THE FLAPS POSITION TRANSMITTER WITH FAILURE. AIRCRAFT WAS SENT TO THE HANGAR AND MAINTENANCE PERSONNEL REPLACED THE FLAPS POSITION TRANSMITTER IAW AMM 27-58-01, IT WAS PERFORMED FIM 27-51 TASK 803, TESTS CORRECT.