# SDR AALA202605213892

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 20, 2026
- Submitted: May 22, 2026
- Operation: Air carrier
- Aircraft: [N124US](https://openairdocs.org/aircraft/N124US), registered now
- Make and model: Airbus A320-214
- Registry model: [Airbus A320-214](https://openairdocs.org/model/airbus-a320-214) (OpenAirDocs)
- Aircraft serial: 1314
- Aircraft time: 71,658 hours, 36,460 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 32145410
- Part serial: 2107
- Condition: No Test
- Location: Zone 200
- Part time: 67,244 hours, 37,209 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/AALA202605213892

## Discrepancy

AIRCRAFT WAS GROUNDED: EPSU UNIT EMER L DISPLAYED ON FAP AND EVERY OTHER EMERGENCY LIGHT IN CABIN INOP. MAINTENANCE REPLACED EPSU 11WL LH OVERWING REF AMM 33-51-04

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