# SDR AALA201808309021

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 28, 2018
- Submitted: August 30, 2018
- Operation: Air carrier
- Aircraft: [N929AA](https://openairdocs.org/aircraft/N929AA), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 7525
- Aircraft time: 5,335 hours, 2,039 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Condition: No Test
- Location: Emergency Lights
- 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/AALA201808309021

## Discrepancy

PERFORMED CIDS1 EPSU SYSTEM TEST IAW A PS CHECK BATTERY 15WL FAILED. REPLACED 15WL EMERGENCY BATTERY IAW AMM 33-51-38.

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