Service difficulty report · Flap System · Boeing 7377H4

Difficulty date
December 17, 2021
Submitted
December 21, 2021
Operation
Air carrier
Aircraft
N714CB
Make and model
Boeing 7377H4
Aircraft serial
27848
Aircraft time
79,110 hours, 47,261 cycles
Part
Flap System
Condition
Faulted
Stage of operation
AP
How discovered
O
Nature of condition
J
Precautionary procedure
A

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

What was found

ON APPROACH SELECTED FLAPS 15 AND THEN 30. AT WHICH TIME WE NOTICED FLAP INDICATOR WAS AT 5. EXC. GO AROUND AND USED QRH ALT FLAP EXT PROCEDURES. PERFORMED FSEU BITE REF FIM 27-51 TASK 801; FAULT HISTORY SHOWED FAULTS 27-52261 AND 27-53280. CLEANED CONNECTORS ON BOTH FLAP TRANSMITTERS REF SWPM 20-60-01 AND AMM 27-58-01. OPERATED FLAPS PER AMM 27-51-00 AND 27-58-01, NO DEFECTS NOTED AND NO EXISTING FAULTS ON THE FSEU REF FIM 27-51 TASK 801.

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