# SDR F3LA2015122201156

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 19, 2015
- Submitted: December 22, 2015
- Operation: Air carrier
- Aircraft: [N943FR](https://openairdocs.org/aircraft/N943FR), registered now
- Make and model: Airbus A319-112
- Registry model: [Airbus A319-112](https://openairdocs.org/model/airbus-industrie-a319-112) (OpenAirDocs)
- Aircraft serial: 2518
- Aircraft time: 39,987 hours, 16,880 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Epsu
- Part number: 32146210
- Part serial: 005617
- Condition: Failed
- Location: Cabin
- Part time: 39,987 hours, 16,880 cycles
- 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/F3LA2015122201156

## Discrepancy

EMERGENCY POWER SUPPLY UNIT SYS TEST FAILED, CODE 10WL FWD LT.  R & R EPSU 10WL.  OPERATIONS TESTED GOOD IAW AMM 33-51-38 PB 401.  REFERENCE LP 967286.

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