SDR AALA202504165893

Service difficulty report · Warning Horn · Boeing 7378

Difficulty date: April 14, 2025
Submitted: April 17, 2025
Operation: Air carrier
Aircraft: N300UB
Make and model: Boeing 7378
Aircraft serial: 44506
Aircraft time: 591 hours, 226 cycles
System (JASC): 3260 · Landing Gear Position and Warning
Part: Warning Horn
Condition: False Activation
Location: Zone 200
Stage of operation: CR
How discovered: O
Nature of condition: N
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: REPEAT RECURRING ISSUE WITH GEAR WARNING HORN GOES OFF WHEN THROTTLES PULLED BACK, ALONG WITH 3 RED GEAR LIGHTS. HORN CUTOUT WILL SILENCE THE HORN.HAD TO REDUCE SPEED IN CRUISE AND WHEN THRUST WAS REDUCED, THE HORN WENT OFF. **SUPPLEMENTAL REPORT WILL BE SUBMITTED**(OPEN).

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