# SDR UALA2012101905990

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 19, 2012
- Submitted: November 21, 2012
- Operation: Air carrier
- Aircraft: N408UA
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 457
- Aircraft time: 61,233 hours, 22,658 cycles
- Engine: Iae V2527A5
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: 20131A
- Condition: Faulty
- Location: Cabin
- Stage of operation: IN
- How discovered: C
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2012101905990

## Discrepancy

ATA 33-51-38 BATTERY EMERGENCY L' DISPLAYED AFTER PERFORMING NR 3 SVC CABIN EMERGENCY LIGHT TEST.  TROUBLESHOT PER TSM 33-51-00, REPLACED L EPSU BATTERY (11WL) PER MM.  OPS CHECKS GOOD.

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