# SDR GTIA2023082837444

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 27, 2023
- Submitted: August 29, 2023
- Operation: Air carrier
- Aircraft: [N637NK](https://openairdocs.org/aircraft/N637NK), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 6436
- Aircraft time: 30,219 hours, 13,542 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: 321431
- Part serial: 063583
- Condition: No Test
- Location: Epsu 11wl
- Part time: 30,219 hours, 13,542 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/GTIA2023082837444

## Discrepancy

EPSU BATT 11WL FAILS CAPACITANCE CHECK SDR SUBMITTED -REMOVED AND REPLACED EPSU BATTERY PACK 11WL IAW A320AMM 33-51-38-000-002A/33-51-38-400-002A. SYSTEM OPS CHECK GOOD IAW AMM 33-51-00-710-001A AND 23-73-00-740-005B

---
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.