# SDR DXTA2023081492990

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 13, 2023
- Submitted: August 14, 2023
- Operation: Air carrier
- Aircraft: [N392QS](https://openairdocs.org/aircraft/N392QS), registered now
- Make and model: Emb EMB-505
- Registry model: [EMB EMB-505](https://openairdocs.org/model/embraer-executive-emb-505) (OpenAirDocs)
- Aircraft serial: 50500349
- Aircraft time: 6,530 hours, 5,113 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: 7450LS00
- Part serial: 005266
- Condition: Defective
- Location: Zone 100
- 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/DXTA2023081492990

## Discrepancy

EMER LIGHTS ARE ILLUMINATED WITH SWITCH IN THE ARM POSITION.   REMOVED #1 EMERGENCY BATTERY  7450LS-00 SN 005266 DUE TO FAILING FUNCTIONAL CHECK INSTALLED NEW BATTERY PN 7450LS-00 SN 006958 IA W EMB-505S AMM 33-52-01-400-8010-A CHARGED AND OPS CHECKED GOOD. REMOVED #2 EMERGENCY BATTERY PN 7450LS-00 SN 006349 DUE TO FAILING FUNCTIONAL CHECK INSTALLED NEW BATTERY PN 7450LS-00 SN 006959 IAW EMB-505S AMM 33-52-01-400-8010-A CHARGED AND OPS CHECKED GOOD.

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