# SDR AALA202405075960

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 6, 2024
- Submitted: May 7, 2024
- Operation: Air carrier
- Aircraft: [N161AA](https://openairdocs.org/aircraft/N161AA), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 7085
- Aircraft time: 24,001 hours, 9,401 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: UNKNOWN
- Condition: Inoperative
- Location: Emergency Lights
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202405075960

## Discrepancy

AIRCRAFT WAS NOT GROUNDED: H6 CB TRIPPED IN FLIGHT (CAB EMER LTS). REPLACED 12WL EPSU BATTERY. REF AMM 33-51-38. PERFORMED BITE TEST ON EPSU BATTERY. REF AMM 33-51-00. OPS CHECK GOOD.

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