SDR CALA2017121904534

Service difficulty report · Power Supply · Airbus A320232

Difficulty date: December 19, 2017
Submitted: December 20, 2017
Operation: Air carrier
Aircraft: N455UA
Make and model: Airbus A320232
Aircraft serial: 1105
Aircraft time: 60,391 hours, 23,710 cycles
System (JASC): 3350 · Emergency Lighting
Part: Power Supply
Part number: 32145410
Part serial: 3927
Condition: Faulty
Location: Cabin
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

WHILE PERFORMING EMER LIGHT BAT TEST, RECEIVED "EPSU EXT LOAD EMER R". T/S TO EPSU. RMVD BOTH OVERWING EXIT EPSU BAT AND RESET. SWAPPED AND EXT LIGHT FAULT FOLLOWED ESPU. RPLD RIGHT OVERWING ESPU SYSTEM CHKS GOOD. REF TSM 33-51-00,AMM 33-51-38, 25-62-42.

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