# SDR YENA2021031900179

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 16, 2021
- Submitted: March 19, 2021
- Operation: Air carrier
- Aircraft: [N643JB](https://openairdocs.org/aircraft/N643JB), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 02871
- Aircraft time: 55,789 hours, 19,641 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Epsu
- Part number: 32145410
- Part serial: 008250
- Condition: Failed Insp
- Location: 10wl
- Part time: 55,797 hours, 19,641 cycles
- Stage of operation: IN
- How discovered: V
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/YENA2021031900179

## Discrepancy

FLT 1348, SJU-DCA. EMERGENCY LIGHT POWER SUPPLY " AFT" TEST FUNCTION INOP ; R&R AFT EMERGENCY LIGHT POWER SUPPLY REF AMM 33-51-38, SELF TEST OK.

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