# SDR ASAA2022032337814

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 23, 2022
- Submitted: March 31, 2022
- Operation: Air carrier
- Aircraft: [N413AS](https://openairdocs.org/aircraft/N413AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 35205
- Aircraft time: 33,605 hours, 10,697 cycles
- Engine: Ge CFM567B24
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: D71702001
- Condition: Inoperative
- Location: Mid Cabin Ceilin
- 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/ASAA2022032337814

## Discrepancy

EMERGENCY LIGHTS COMMON TO POWER SUPPLIES M2626 AND M2627 ARE INOP. GROUNDED - YES. REMOVED AND REPLACED M2626 POWER SUPPLY IAW B737-900 AMM 33-51-06-960-806. OPS CHECK GOOD FOR M2626 AND M2627 POWER SUPPLY IAW B737 AMM 35-51-06-960-806 STEPS 5.E.(5).

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