# SDR DXTA2026051808102

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 16, 2026
- Submitted: May 18, 2026
- Operation: Air carrier
- Aircraft: [N778QS](https://openairdocs.org/aircraft/N778QS), registered now
- Make and model: Bombdr BD1001A10
- Aircraft serial: 20563
- Aircraft time: 11,085 hours, 6,454 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: RPS1B
- Part serial: 28422
- Condition: Inoperative
- Location: Zone 200
- 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/DXTA2026051808102

## Discrepancy

ON-SITE TECHS REPORTS THE EMERGENCY LIGHTS ARE ON. CORRECTIVE ACTION: REMOVED #1 EMERGENCY POWER SUPPLY UNIT PN: RPS1-B SN: 28422 DUE TO FAULTY, AND INSTALLED NEW #1 EMERGENCY POWER SUPPLY UNIT PN: RPS1-B SN: 34030. REMOVED #2 EMERGENCY POWER SUPPLY UNIT PN: RPS1-B SN: 33437 DUE TO FAULTY, AND INSTALLED NEW #2 EMERGENCY POWER SUPPLY UNIT PN: RPS1-B SN: 34032. CLOSED ACCESS. CHARGED BATTERIES. BATTERIES ARE NOW CHARGED. PERFORMED OPS CHECK. OPS CHECK SATISFACTORY. ALL WORK DONE IAW CL-350 AMM 33-51-17.

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