# SDR YENA2023080700898

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 7, 2023
- Submitted: August 7, 2023
- Operation: Air carrier
- Aircraft: [N937JB](https://openairdocs.org/aircraft/N937JB), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 06245
- Aircraft time: 36,716 hours, 7,128 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Unknown
- Part number: UNKNOWN
- Condition: Unknown
- Location: Unknown
- Stage of operation: UK
- 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/YENA2023080700898

## Discrepancy

FLT#350, GND-JFK. 'REF ABOVE ITEM LP 3597985, ITEM 1 (ON TAXI OUT INFLIGHT INFORMED THAT THE EMERGENCY LIGHT HAD BEEN ON IN THE CABIN DURING BOARDING FOR AT LEAST 2 HRS -STARTING AT 0130.); REMOVED AND REPLACED 13WL EPSU AND EPSU BATTERY, EMERGENCY LIGHT AS PER EPSU TEST REPORT NO FIX FURTHER T/S REQUIRED AMM 33-51-38.'

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