# SDR USAASA02024

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 1, 2002
- Submitted: May 2, 2002
- Operation: Air carrier
- Aircraft: [N179UW](https://openairdocs.org/aircraft/N179UW), registered now
- Make and model: Airbus A321-211
- Registry model: [Airbus A321-211](https://openairdocs.org/model/airbus-a321-211) (OpenAirDocs)
- Aircraft serial: 1521
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: 321430
- Condition: Discharged
- Location: Cabin
- 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/USAASA02024

## Discrepancy

LGA - THE FORWARD, RIGHT, EMERGENCY POWER SUPPLY UNIT BATTERY FAILED DURING THE OPERATIONAL TEST.  MAINTENANCE REMOVED AND REPLACED THE BATTERY IN THE FORWARD RIGHT EMERGENCY POWER SUPPLY UNIT.  OPERATIONALLY CHECKED OK.  (M)

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