# SDR GTIA2025030638790

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 6, 2025
- Submitted: March 6, 2025
- Operation: Air carrier
- Aircraft: [N703NK](https://openairdocs.org/aircraft/N703NK), registered now
- Make and model: Airbus A321-271NX
- Registry model: [Airbus A321-271NX](https://openairdocs.org/model/airbus-s-a-s-a321-271nx) (OpenAirDocs)
- Aircraft serial: 11383
- Aircraft time: 5,309 hours, 1,924 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Epsu
- Part number: 321431
- Part serial: 779551
- Condition: No Test
- Location: Zone 200
- Part time: 1,637 hours, 707 cycles
- 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/GTIA2025030638790

## Discrepancy

REF T/C 335100-03-1 CHK BAT CAPACITY. EPSU (10WL) FWD L FAULT.  R/R (10WL) FWD L EPSU IAW AMM 33-51-38. OPS CHK GODD. NO FURTHER DEFECTS NOTED.

---
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.