# SDR GTIA2020121035494

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 9, 2020
- Submitted: December 10, 2020
- Operation: Air carrier
- Aircraft: [N683NK](https://openairdocs.org/aircraft/N683NK), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 8114
- Aircraft time: 6,240 hours, 2,819 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Condition: No Test
- Location: Emergency Lights
- Stage of operation: IN
- How discovered: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/GTIA2020121035494

## Discrepancy

EPSU BATT 14WL FAILED THE EMERGENCY LIGHT SYSTEM BITE TEST, SEE LTPR NR 5001033874-0010-R7R.  EPSU BATT 14WL, IAW AMM  33-51-38-400-002A.  OPERATIONS CHECK GOOD, SDR CREATED PER GMM 44.4.3.

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