# SDR YENA2023013000082

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 27, 2023
- Submitted: January 30, 2023
- Operation: Air carrier
- Aircraft: [N945JT](https://openairdocs.org/aircraft/N945JT), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 06390
- Aircraft time: 33,862 hours, 6,577 cycles
- System (JASC): [3310 · Flight Compartment Lighting](https://openairdocs.org/jasc/3310)
- Part: Power Supply
- Part number: 32146210
- Part serial: 147493
- Condition: Failed
- Location: Emergency Lights
- Part time: 33,862 hours, 6,577 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/YENA2023013000082

## Discrepancy

FLT#2120, SAN-BOS. 'EMERGENCY EXIT LIGHT 2L AND 3R INOP WITHOUT A/C POWER; REF TSM 33-51-00-810-812-A - TRACED ALL INOP LIGHTS TO FIN 12WL ESPU. REMOVED AND REPLACED ESPU AND BATTERY IAW AMM 33-51-38.  ALL LIGHTS IN THE EMERGENCY LIGHTING SYSTEM CHECK GOOD AT THIS TIME.'

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