# SDR DXTA2023020179610

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 31, 2023
- Submitted: February 3, 2023
- Operation: Air carrier
- Aircraft: [N351QS](https://openairdocs.org/aircraft/N351QS), registered now
- Make and model: Emb EMB-505
- Registry model: [EMB EMB-505](https://openairdocs.org/model/embraer-executive-emb-505) (OpenAirDocs)
- Aircraft serial: 50500237
- Aircraft time: 7,033 hours, 5,471 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: None
- Condition: None
- Stage of operation: TX
- How discovered: C
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DXTA2023020179610

## Discrepancy

CABIN EMERG LIGHT: DURING CRUISE WITH EMER LT SWITCH IN ARM POSITION, ALL CABIN EMER LIGHTS BEGAN FLASHING. TURNED EMER LT SWITCH TO OFF POSITION FOR A FEW SECONDS AND TURNED IT BACK TO ARM POSITION. CABIN EMER LIGHTS REMAINED CONTINUOUSLY FLASHING UNTIL SHUT DOWN. // SIGNOFF// USED TC-E50-33-1001, EMBRAER AMM TASK 33-52-01-710-801-A AND AMM TASK 33-52-00-71-801A FOR TROUBLESHOOTING. WHEN EMERGENCY BATTERY 1 WAS DISCONNECTED, LIGHTS FLASHED BRIEFLY. PROCEEDED WITH DISCHARGE/RECHARGE PROCEDURE SPECIFIED FROMTC-E50-33-1001 EMERGENCY BATTERY EXERCISE PROCEDURE. OPS CHECKED ONCE BATTERIES WERE FULLY RECHARGED AND ISSUE WAS NOT PRESENT. (PERFORMED OPERATION TWICE OPS CHECK GOOD, NO FLASHING LIGHTS.

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