# SDR CALA2017122404583

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 24, 2017
- Submitted: December 25, 2017
- Operation: Air carrier
- Aircraft: [N21723](https://openairdocs.org/aircraft/N21723), registered now
- Make and model: Boeing 737724
- Aircraft serial: 28790
- Aircraft time: 61,406 hours, 20,764 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: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2017122404583

## Discrepancy

EMERGENCY LIGHTS IN BULL NOSE AT ROWS 23ABC, 22DEF, & 12DEF INOPERATIVE.  FOUND A LOOSE CONNECTOR AT BS 706.   SECURED AND OPS CHECKED OK ON SEAT ROW 23 ABC REF AMM 33-51-11. REPLACED THE POWER SUPPLY, OPS CHECKED OK IAW AMM 33-51-06

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