# SDR HALA2021031800037

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 17, 2021
- Submitted: March 19, 2021
- Operation: Air carrier
- Aircraft: [N226HA](https://openairdocs.org/aircraft/N226HA), registered now
- Make and model: Airbus A321-271N
- Registry model: [Airbus A321-271N](https://openairdocs.org/model/airbus-a321-271n) (OpenAirDocs)
- Aircraft serial: 09127
- Aircraft time: 3,050 hours, 822 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Condition: Inoperative
- Location: Emergency Lights
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HALA2021031800037

## Discrepancy

EMER EQ - FOUND EMEREGENCY LIGHT SWITCH IN THE ARM POSIOTION WITH NO POWER TO AIRCRAFT. NUMERIOUS EMR LIGHTS THROUGHOUT CABIN INOP. // REMOVED AND REPLACED EMERGENCY POWER SUPPLY UNIT (EPSU) BATTERIES PER AMM 33-51-38. BITE TESE PASSED. OPS CHK GOOD. OK FOR SERVICE.

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