Service difficulty report · Warning Horn · Boeing 7378

Difficulty date
April 16, 2025
Submitted
April 17, 2025
Operation
Air carrier
Aircraft
N300UB
Make and model
Boeing 7378
Aircraft serial
44506
Aircraft time
591 hours, 227 cycles
Part
Warning Horn
Condition
Activated
Location
Zone 700
Stage of operation
CR
How discovered
O
Nature of condition
J
Precautionary procedure
O

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

What was found

AIRCRAFT WAS GROUNDED: DURING FLIGHT AT CRUISE AT FL 210 USING ALL AUTOMATION CONTROL, WHILE REDUCING SPEED THE AUTO THROTTLE REDUCES THE POWER THEN THE GEAR HORN GOES OFF AND THE 3 GEAR RED LIGHTS COME ON. (OPEN).

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