# SDR DXTA2023050585310

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 2, 2023
- Submitted: May 5, 2023
- Operation: Air carrier
- Aircraft: [N420QS](https://openairdocs.org/aircraft/N420QS), registered now
- Make and model: Emb EMB-505
- Registry model: [EMB EMB-505](https://openairdocs.org/model/embraer-executive-emb-505) (OpenAirDocs)
- Aircraft serial: 50500462
- Aircraft time: 4,466 hours, 3,531 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: 7450LS00
- Part serial: 005310
- 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/DXTA2023050585310

## Discrepancy

EMERGENCY LIGHTING: EMERGENCY LIGHTS INOP, CONTINUALLY FLASH. //SIGNOFF// PERFORMED EMB300 FIM TASK 33-50-00-810-801 AND FOUND EMERGENCY BATTERIES NEED REPLACED. MCC HAS 2 BATTERIES ON ORDER REMOVED AND REPLACED BOTH EMER LIGHTS BATTERY PACKS (FWD & AFT), MX PERFORMED IAW EMB PHENOM 300 AMM 33-52-00. OPS CHECK GOOD. FWD BATTERY PACK: OFF/ON PN:7450LS-00 ALSO PERFORMED A 90 MINUTE TOP CHARGE PER EMB AMM 33-52-00. OFF SN:005310. ON SN:005946 / DATE CODE:2148  AFT BATTERY PACK: OFF/ON PN: 7450LS-00 OFF SN:006470. ON SN:002681M / DATE CODE:2024

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