# SDR GTIA2021012135556

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 19, 2021
- Submitted: January 21, 2021
- Operation: Air carrier
- Aircraft: [N639NK](https://openairdocs.org/aircraft/N639NK), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 6487
- Aircraft time: 21,825 hours, 9,903 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- 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/GTIA2021012135556

## Discrepancy

EPSU BATTERY 13WL FAILS BITE TEST.  R & R EPSU BATTERY 13WL, IAW 33-51-38-400-002-A.  OPERATIONS CHECK GOOD.SDR CREATED, PER GMM 44.4.3.

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