# SDR YENA20150314044

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 14, 2015
- Submitted: March 16, 2015
- Operation: Air carrier
- Aircraft: [N503JB](https://openairdocs.org/aircraft/N503JB), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 1123
- Aircraft time: 59,664 hours, 22,342 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Epsu
- Part number: 32145410
- Part serial: 4082
- Condition: No Test
- Location: Emergency Lights
- Part time: 50,909 hours, 18,543 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/YENA20150314044

## Discrepancy

DURING WEEKLY CHECK EMERGENCY LIGHT SYS TEST FAILED AND SOME CABIN RT EMERGENCY LIGHT FOUND INOPERATIVE.  R & R EMERGENCY LIGHT POWER SUPPLY AT 12WL IAW AMM 33-51-38. EMERGENCY LIGHT CHECKED OK.  IN ADDITION EMERGENCY LIGHT SYSTEM TEST FAILED AND SOME AT THE FORWARD CABIN LT SIDE, 11WL, FOUND INOPERATIVE. PERFORMED T/S IAW TSM 33-51-00-810-801-A.  R & R POWER SUPPLY, SN 2879 AT POSITION 11WL WITH TOTAL HOURS 53957, TOTAL CYCLES 20076, TIME SINCE 67. OPS CHECK OK.

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