# SDR DXTA2021112252190

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 19, 2021
- Submitted: November 22, 2021
- Operation: Air carrier
- Aircraft: [N394QS](https://openairdocs.org/aircraft/N394QS), registered now
- Make and model: Emb EMB-505
- Registry model: [EMB EMB-505](https://openairdocs.org/model/embraer-executive-emb-505) (OpenAirDocs)
- Aircraft serial: 50500362
- Aircraft time: 4,304 hours, 3,357 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: 6450LS00
- Part serial: 002361
- Condition: Defective
- Location: Zone 100
- Stage of operation: TX
- How discovered: C
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DXTA2021112252190

## Discrepancy

EMERGENCY LIGHTING: ALL EMERGENCY LIGHTING FLICKERING WITH SWITCH IN ARM AND ON POSITION. // SIGNOFF // REMOVED AND REPLACED THE FWD AND AFT EMERGENCY BATTERIES IAW EMB-505 AMM 33-52-01-400-801-A, AMM 32-52-01-710-801-A AND AMM 32-52-00-710-801-A. OPERATIONAL TEST ARE SATISFACTORY. REINSTALLED COCKPIT SEATS AND ALL ACCESS PANELS.

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