# SDR DXTA2024032511289

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 23, 2024
- Submitted: March 25, 2024
- Operation: Air carrier
- Aircraft: [N427QS](https://openairdocs.org/aircraft/N427QS), registered now
- Make and model: Emb EMB-505
- Registry model: [EMB EMB-505](https://openairdocs.org/model/embraer-executive-emb-505) (OpenAirDocs)
- Aircraft serial: 50500484
- Aircraft time: 4,797 hours, 3,679 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: 7450LS00
- Part serial: 006188
- Condition: Discharged
- Location: Emergency Lights
- Part time: 1,702 hours, 1,316 cycles
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DXTA2024032511289

## Discrepancy

EMERGENCY LIGHTS ILLUMINATED DURING FLIGHT WITH THE EMER LT SWITCH IN THE ARM POSITION. PICTURES ATTACHED.  REMOVED FWD AND AFT EMER LIGHT BATTERIES AND INSTALLED A CUSTOMER SUPPLIED NEW FWD AND AFT EMER LIGHT BATTERIES IAW PHENOM 300 AMM TASK 33-52-01-000-801-A/400-801-A OPERATIONAL TEST SATISFACTORY PERFORMED IAW PHENOM 300 AMM TASK 33-52-00-710-801-A NO DEFECTS NOTED AT THIS TIME.

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