# SDR DXTA2023022180870

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 20, 2023
- Submitted: February 21, 2023
- Operation: Air carrier
- Aircraft: [N447QS](https://openairdocs.org/aircraft/N447QS), registered now
- Make and model: Emb EMB-505
- Registry model: [EMB EMB-505](https://openairdocs.org/model/embraer-executive-emb-505) (OpenAirDocs)
- Aircraft serial: 50500635
- Aircraft time: 1,359 hours, 1,035 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: 7450LS00
- Part serial: 005071
- Condition: Defective
- 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/DXTA2023022180870

## Discrepancy

CABIN EMERG LIGHT: CABIN EMERGENCY LIGHTS ARE FLASHING WITH THE EMER LT SWITCH IN THE "ARMED" POSITION.REMOVED #2 EMER BATTERY P/N: 7450LS-00  S/N: 005071. INSTALLED MODIFIED EMER BATTERY IN THE #1 POSITION P/N: 1359S-00 S/N: 001388M. INSTALLED MODIFIED EMER BATTERY IN THE #2 POSITION P/N: 640-13595-00 5/N: 001413M, PERFORMED EMERGENCY LIGHTS OPERATIONAL CHECK PER TASK 33-52-0-710-801-A. CHARGED BOTH BATTERIES FOR THE REQUIRED 90 MIN. OPS CHECK NORMAL REINSTALLED ALL ACCESS PANELS AND REINSTALLED PILOT AND COPILOT SEATS. WORK DONE IAW PHENOM 300 AMN 33-52-01

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