Service difficulty report · Flap System · Boeing 7377L9

Difficulty date
April 19, 2022
Submitted
April 25, 2022
Operation
Air carrier
Aircraft
N7841A
Make and model
Boeing 7377L9
Aircraft serial
28015
Aircraft time
54,962 hours, 29,653 cycles
Part
Flap System
Condition
Failed
Stage of operation
AP
How discovered
9
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

FLAPS DID NOT EXTEND AIRBORNE WHEN FLAP LEVER WAS MOVED TO FLAPS 5. ALTERNATE FLAPS USED TO EXTEND TO 15 / [01] PERFORMED FSEU BITE; PREVIOUS/CURRENT LEG FAULT 27-51402 PRESENT. PERFORMED FIM 27-51 TASK 847. REMOVED AND REPLACED FLIGHT CONTROL PANEL PER AMM 27-09-45; OPS CHECK GOOD. PERFORMED T/E OPS CHECK PER AMM 27-51-00; CHECKS GOOD. PERFORMED L/E FLAP OPS CHECK PER AMM 27-81-00; CHECKS GOOD. PERFORMED GVI OF FLAP T/E SYSTEM PER AMM 27-51-00; NO DEFECTS FOUND.

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