Service difficulty report · Indicator · Boeing 7377H4

Difficulty date
June 24, 2025
Submitted
June 30, 2025
Operation
Air carrier
Aircraft
N904WN
Make and model
Boeing 7377H4
Aircraft serial
36616
Aircraft time
56,790 hours, 34,204 cycles
Part
Indicator
Condition
Tripped
Location
Zone 100
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

27-51 (F/T TROUBLESHOOTING TRAILING EDGE FLAPS SYSTEM). DUE TO A/C HISTORY OF THE TRAILING EDGE FLAPS NOT EXTENDING PROPERLY CHECK THE TRAILING EDGE FLAPS TRANSMISSION TORQUE TRIP INDICATORS EXTENDED PER FIM 27-51 TASK 849. IF ANY INDICATORS ARE EXTENDED DRAIN AND REFILL THAT FLAP TRANSMISSION PER AMM 12-22-51. IF NO FAULTS ARE FOUND DRAIN & REFILL THE ALL T/E FLAP TRANSMISSIONS PER AMM 12-22-51. (PICTURES SDS 27-51-00-014) <[01]. T/S PER FIM 27-51 TASK 849; FOUND #2 TRAILING EDGE FLAP TRANSMISSION TORQUE TRIP INDICATOR EXTENDED.; [02] RESET #2 TRAILING EDGE FLAP TRANSMISSION INDICATOR; THEN DRAIN AND REFILL THE TRANSMISSION PER AMM 12-22-51. OPS CHECK GOOD.

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