# SDR DXTA2021072645830

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 24, 2021
- Submitted: July 26, 2021
- Operation: Air carrier
- Aircraft: [N335QS](https://openairdocs.org/aircraft/N335QS), registered now
- Make and model: Emb EMB-505
- Registry model: [EMB EMB-505](https://openairdocs.org/model/embraer-executive-emb-505) (OpenAirDocs)
- Aircraft serial: 50500200
- Aircraft time: 5,931 hours, 4,661 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: 6450LS00
- Part serial: 001505
- Condition: Defective
- Location: Emergency Lights
- Stage of operation: DE
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DXTA2021072645830

## Discrepancy

CABIN EMERG LIGHT: ON DESCENT INTO KEGE WE NOTICED THAT THE CABIN EMER LIGHTS WERE FLASHING.WE RECYCLED THE EMER LIGHT SWITCH BUT IT CONTINUED TO FLASH WITH THE SWITCH IN THE ARM POSITION. // SIGNOFF// TRIED SWITCHING- EMER LIGHTS  TO ARM AND THEY WERE FLASHING . GAINED ACCESSED TO FRONT AND BACK EMER BATTERY'S. PARTS ON ORDER. 7/24/2021 OS REMOVED #1 FWD ERNER BATTERV. INSTALLED NEW #1 FWD ERNER BATTERV IAW EMB-505 AMM CH 33-52-01 REMOVED #2 AFT BATTERV. INSTALLED NEW #2 AFT ERNER BATTERY IAW EMB-505 AMM CH 33-52-01. OPS CHECK GOOD IAW EMB-505 AMM CH 33-52-00

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