# SDR YENA2018111400775

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 10, 2018
- Submitted: November 14, 2018
- Operation: Air carrier
- Aircraft: [N524JB](https://openairdocs.org/aircraft/N524JB), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 1528
- Aircraft time: 68,498 hours, 24,705 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/YENA2018111400775

## Discrepancy

DURING HEAVY MAINTENANCE, AFT LEFT EMERGENCY LIGHT EPSU (13WL) FAILS. SEVERAL LIGHT DO NOT ILLUMINATE; REF HAECO NR 440530-22560, REMOVED AND REPLACED 13WL ESPU IAW A320 AMM 33-51-38. SYSTEM OPS CKS GOOD. SUPPLEMENTAL INFORMATION TO FOLLOW.

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