SDR AALA202504177012

Service difficulty report · Interface Module · Boeing 7378

Difficulty date: April 10, 2025
Submitted: April 17, 2025
Operation: Air carrier
Aircraft: N300UB
Make and model: Boeing 7378
Aircraft serial: 44506
Aircraft time: 588 hours, 225 cycles
System (JASC): 3230 · Landing Gear Retraction/Extension System
Part: Interface Module
Condition: Faulted
Location: Zone 700
Stage of operation: DE
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: GEAR WARNING HORN COMES ON AND RED GEAR LIGHTS COME ON DURING DESCENT. FOUND POWER SYSTEM FAULTS ON PSEU. REMOVE AND REPLACED PSEU (AALA202504116493), PER AMM IAW 32-09-10. REMOVE AND REPLACED LANDING GEAR CONTROL MODUL (AALA202504177012), PER AMM 32-31-11.

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