# SDR ASAA2023040542754

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 5, 2023
- Submitted: April 10, 2023
- Operation: Air carrier
- Aircraft: [N586AS](https://openairdocs.org/aircraft/N586AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35189
- Aircraft time: 55,345 hours, 16,569 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: D71702001
- Condition: Inoperative
- Location: Main Passenger C
- 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/ASAA2023040542754

## Discrepancy

EMERGENCY LIGHTS ASSOCIATED WITH M1694 INOP. GROUNDED - YES. REMOVED & REPLACED M1694 POWER SUPPLY IAW B737-800 AMM 33-51-06-960-806 OP CHECK FAILED PART BAD FROM STOCK REF CUSTOMER CARD #G1778699 FOR REPLACEMENT.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
