# SDR DXTA2024010410516

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 4, 2024
- Submitted: January 4, 2024
- Operation: Air carrier
- Aircraft: [N348QS](https://openairdocs.org/aircraft/N348QS), registered now
- Make and model: Emb EMB-505
- Registry model: [EMB EMB-505](https://openairdocs.org/model/embraer-executive-emb-505) (OpenAirDocs)
- Aircraft serial: 50500259
- Aircraft time: 7,976 hours, 6,273 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: 7450LS00
- Part serial: 005988
- Condition: Defective
- Location: Zone 100
- Stage of operation: CR
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DXTA2024010410516

## Discrepancy

45 MINUTES INTO OUR FLIGHT PBI-MMUN, EMERGENCY CABIN LIGJTS TURNED ON AND STAYED ON WORH TJE EMER LT IN THE ARM POSITION. 10 MINUTES BEFORE LANDING LIGJTS STARTED FLICKERING.  REMOVED SUSPECTED DEFECTIVE EMERGENCY BATTERY #2 AND INSTALLED CUSTOMER SUPPLIED TESTED EMERGENCY BATTERY IAW MM 33-52-01. COMPLETED OPS CHECK OF THE #2 EMERGENCY BATTERY ALL STEPS COMPLETED AND PASSED MM 33-52-01.

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