# SDR WX0A2020072273531

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 22, 2020
- Submitted: July 22, 2020
- Operation: Air carrier
- Aircraft: [N218NV](https://openairdocs.org/aircraft/N218NV), registered now
- Make and model: Airbus A320-214
- Registry model: [Airbus A320-214](https://openairdocs.org/model/airbus-a320-214) (OpenAirDocs)
- Aircraft serial: 1229
- Aircraft time: 47,987 hours, 30,253 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 321431
- Part serial: 871611
- Condition: Malfunctioned
- Location: Emergency Lights
- Stage of operation: IN
- How discovered: O
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/WX0A2020072273531

## Discrepancy

REF R OFFWING ESCAPE SLIDE R & R, UPON OPERATIONAL CHECK OF EMERGENCY LIGHTING SYS, RECEIVED EPSU INT LOAD AFT L MAINTENANCE MESSAGE / PER TSM 33-51-00-810-807-A, PERFORMED VISUAL CHECK OF CABIN EMERGENCY LIGHT SYSTEM, FOUND AFT LEFT CABIN DOOR OVERHEAD FWD LAMP INOP, RELAMPED & OPS CHECK OK W/ REF TO AIRBUS AMM 33-51-00-710-009 & TSM 33-51-00-810-807-A, INITIAL FAULT REMAINS. REPLACED AFT EPSU BATTERY (13WL), OPERATIONAL TEST OF EMERGENCY LIGHTING OK, SYSTEM OK W/ REF TO AMM 33-51-38 PB 401 & AMM 33-51-00-710-001."

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