# SDR AALA202102089001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 7, 2021
- Submitted: February 8, 2021
- Operation: Air carrier
- Aircraft: [N178US](https://openairdocs.org/aircraft/N178US), registered now
- Make and model: Airbus A321-211
- Registry model: [Airbus A321-211](https://openairdocs.org/model/airbus-a321-211) (OpenAirDocs)
- Aircraft serial: 1519
- Aircraft time: 65,288 hours, 24,723 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 32145510
- Part serial: 2290
- Condition: Inoperative
- Location: Emergency Lights
- Part time: 65,297 hours, 24,725 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/AALA202102089001

## Discrepancy

AIRCRAFT WAS NOT GROUNDED: EMERGENCY POWER SUPPLY UNIT OVER R2 DOOR INOPERATIVE AND NOT ILLUMINATING PATH LIGHTING ON SEATS. EMERGENCY POWER SUPPLY UNIT OVER R2 EMERGENCY DOOR REMOVED AND REPLACED PER AMM 33-51-38-400-001-A.

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