# SDR DXTA2024050911714

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 8, 2024
- Submitted: May 9, 2024
- Operation: Air carrier
- Aircraft: [N459QS](https://openairdocs.org/aircraft/N459QS), registered now
- Make and model: Emb EMB-505
- Registry model: [EMB EMB-505](https://openairdocs.org/model/embraer-executive-emb-505) (OpenAirDocs)
- Aircraft serial: 50500721
- Aircraft time: 881 hours, 669 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Condition: Faulted
- Location: Emergency Lights
- Stage of operation: NR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DXTA2024050911714

## Discrepancy

THE CABIN OVERHEAD EMERGENCY LIGHTS ARE FLASHING ON AND OFF DURING FLIGHT.  REMOVED DEFECTIVE AFT EMERGENCY BATTERY P/N:7450LS-00, AND INSTALLED A CUSTOMER SUPPLIED TESTED EMERGENCY POWER SUPPLYS/N:005594 P/N:7450LS-00, S/N:006503. PERFORMED SATISFACTORY OPS CHECK, NO DEFECTS. CLOSED OUT ALL GAINED ACCESS AND RETURNED AIRCRAFT BACK TO ORIGINAL CONFIGURATION. WORK PERFORMED IAW AMM 32-52-01.

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