# SDR AALA20160603023

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 2, 2016
- Submitted: June 3, 2016
- Operation: Air carrier
- Aircraft: [N847NN](https://openairdocs.org/aircraft/N847NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 29575
- Aircraft time: 18,890 hours, 7,430 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: D17102001
- Part serial: 50101
- Condition: Faulty
- Location: Emergency Lights
- Part time: 6,174 hours, 2,458 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/AALA20160603023

## Discrepancy

DURING ACCOMPLISHMENT OF MCM 2908, ALL EMERGENCY LIGHTING FAILED AFTER 3 - 12 MINUTES.  R & R NINE POWER SUPPLIES IAW AMM 33-51-06.  OPS CHECKED NORMAL.  AIRCRAFT WAS GROUNDED.

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