# SDR DALA2026022601365

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 26, 2026
- Submitted: February 26, 2026
- Operation: Air carrier
- Aircraft: [N341DN](https://openairdocs.org/aircraft/N341DN), registered now
- Make and model: Airbus A321-213
- Registry model: [Airbus A321-213](https://openairdocs.org/model/airbus-a321-213) (OpenAirDocs)
- Aircraft serial: 8134
- Aircraft time: 25,372 hours, 10,890 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Condition: Inoperative
- Location: Zone 200
- Stage of operation: IN
- How discovered: C
- Nature of condition: L, J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2026022601365

## Discrepancy

AIRCRAFT 3041, DURING EPSU SYS TEST CIDS1 FAULTING BAT/EPSU (10WL) FWD L. CORRECTIVE ACTION: REPLACED EPSU 10WL BATTERY PER A321 AMM 33-51-38. EPSU SYSTEM TEST GOOD. CIDS INTERFACE AND POWER UP TEST GOOD. (LP 8100287)

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