Service difficulty report · Indicator · Boeing 7378H4

Difficulty date
September 15, 2026
Submitted
September 22, 2026
Operation
Air carrier
Aircraft
N8558Z
Make and model
Boeing 7378H4
Aircraft serial
63602
Aircraft time
29,204 hours, 14,908 cycles
Part
Indicator
Condition
Tripped
Location
Zone 100
Stage of operation
IN
How discovered
V
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 LOCKED 15, COMMANDED 30_ PERFORMED FSEU BITE WITH NO CURRENT FAULTS FOUND. FOUND #1 FLAP DRIVE TRANSMISSION TORQUE INDICATOR POPPED. PERFORMED FSEU BITE WITH NO CURRENT FAULTS FOUND. INSPECTED FLAP TRANSMISSION TORQUE TRIP INDICATORS AND FOUND #1 FLAP DRIVE TRANSMISSION TORQUE INDICATOR TRIPPED. PER FIM 27-51 TASK 836. RESET #1 TRIP INDICATOR AND SERVICED FLAP DRIVE TRANSMISSIONS 1-8 PER AMM 12-22-51. FLAPS OPS CHECK GOOD PER AMM 27-51-00

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