# SDR ASAA2022052638465

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 26, 2022
- Submitted: May 31, 2022
- Operation: Air carrier
- Aircraft: [N592AS](https://openairdocs.org/aircraft/N592AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35190
- Aircraft time: 51,974 hours, 15,405 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: D71702030
- Condition: Failed
- Location: Main Passenger C
- 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/ASAA2022052638465

## Discrepancy

EMERGENCY LIGHTS AT R/H ROWS 17, 19, 22 AND OUTSIDE LIGHTS AT R/H AFT OVERWING HATCH AND R/H GROUND LIGHT AFT OF FLAP FAILED TO COME ON DURING TEST. GROUNDED - YES. REPLACED POWER SUPPLY AT FS727C BEHIND R/H DADO PANEL IAW B737-800 AMM 33-51-06-960-805. OPS TEST GOOD IAW B737-800 AMM 33-51-00-710-801.

---
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.