# SDR CALA2020012300210

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 20, 2020
- Submitted: January 20, 2020
- Operation: Air carrier
- Aircraft: [N75428](https://openairdocs.org/aircraft/N75428), registered now
- Make and model: Boeing 737924ER
- Aircraft serial: 31633
- Aircraft time: 37,609 hours, 13,009 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: M1674
- Condition: Inoperative
- Location: Emergency Lights
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2020012300210

## Discrepancy

ALL FIRST CLASS EMERGENCY LIGHTS INOPERATIVE.  REPLACED THE POWER SUPPLY M1674 IAW AMM 33-51-06-960-806, OPS CHECKED OK. ACCOMPLISHED THE INSPECTION OF THE INSTALLATION OF POWER SUPPLY M1674 IAW MM 33-51-06-960-806.

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