SDR AALA202601262750

Service difficulty report · Power Supply · Airbus A321253NX

Difficulty date: January 23, 2026
Submitted: January 26, 2026
Operation: Air carrier
Aircraft: N471AN
Make and model: Airbus A321253NX
Aircraft serial: 12262
Aircraft time: 4,435 hours, 1,254 cycles
System (JASC): 3350 · Emergency Lighting
Part: Power Supply
Part number: 32146210
Part serial: 186393
Condition: No Test
Location: Zone 200
Part time: 4,434 hours, 1,253 cycles
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

AIRCRAFT WAS NOT GROUNDED: EMERGENCY LIGHT ON SEATS 1, 2, 5, 9, 10, 14 AND 15 ARE INOPERATIVE. MAINTENANCE FOUND FAULT MESSAGE FOR EMERGENCY POWER SUPPLY UNIT 10WL AND REPLACED IT PER AMM 33-51-38. A SATISFACTORY OPERATIONAL CHECK OF THE EMERGENCY LIGHTING SYSTEM WAS ACCOMPLISHED WITH NO ISSUES NOTED.

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