# SDR GTIA2023031037027

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 9, 2023
- Submitted: March 11, 2023
- Operation: Air carrier
- Aircraft: [N647NK](https://openairdocs.org/aircraft/N647NK), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 7635
- Aircraft time: 20,281 hours, 9,106 cycles
- System (JASC): [3300 · Lighting System](https://openairdocs.org/jasc/3300)
- Part: Battery
- Part number: 321431
- Part serial: 873097
- Condition: Inoperative
- Location: 11wl
- 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/GTIA2023031037027

## Discrepancy

EPSU - EMERGENCY POWER SUPPLY UNIT 11WL INOP -  SDR REQUIRED.-SDR 2824488-2 GENERATED FOR EPSU AT POSITION 11WL. NO FURTHER ACTION REQUIRED. REFERENCE AEROMAN NR 2023-47432 ON W/O 2013 74 / 1.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
