# SDR ASAA2023012341617

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 23, 2023
- Submitted: January 24, 2023
- Operation: Air carrier
- Aircraft: [N552AS](https://openairdocs.org/aircraft/N552AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 34595
- Aircraft time: 56,376 hours, 19,678 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: D17102001
- Condition: No Test
- 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/ASAA2023012341617

## Discrepancy

PERFORMED ASA T/C 78233001 BATTERY LOCATION, M1670, M1671, M1673 FAILED TEST. GROUNDED - YES. REMOVED AND REPLACED POWER SUPPLY ON M1670 AND BATTERY ON M1671, M1673, OPS CHECK GOOD REF AMM 33-51-06.

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