# SDR ASAA2024013147632

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 31, 2024
- Submitted: February 3, 2024
- Operation: Air carrier
- Aircraft: [N407AS](https://openairdocs.org/aircraft/N407AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 41731
- Aircraft time: 41,970 hours, 13,088 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: D71702001
- Condition: Inoperative
- Location: Emergency Lights
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2024013147632

## Discrepancy

EMERGENCY LIGHTS ASSOCIATED WITH M1695 INOP. GROUNDED - YES. REMOVED, REPLACED AND PERFORMED GOOD INSTALLATION TEST OF EMERGENCY LIGHTS POWER SUPPLY M1695 PER B737-900ER AMM 33-51-06-960-806, LIGHTS OPERATION GOOD.

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