SDR CALA2026010812792

Service difficulty report · Power Supply · Airbus A320232

Difficulty date: January 7, 2026
Submitted: January 9, 2026
Operation: Air carrier
Aircraft: N453UA
Make and model: Airbus A320232
Aircraft serial: 1001
Aircraft time: 80,838 hours, 34,147 cycles
System (JASC): 3350 · Emergency Lighting
Part: Power Supply
Condition: No Test
Location: Zone 200
Stage of operation: IN
How discovered: C
Nature of condition: L
Precautionary procedure: K

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

What was found

CABIN EMERGENCY SYSTEM TEST FAILED, EMERGENCY LIGHTS BATTERY CHARGED FOR 90 MINUTES, A SYSTEM TEST WAS PERFORMED WITH NO CHANGE ON RESULTS. REPLACED FWD EPSU POWER SUPPLY AND BATTERY IAW AMM 33-51-38-401, ACP EPSU CHECK FROM FWD FA PANEL,TESTED GOOD.

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