# SDR 2021FA0000174

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 15, 2021
- Submitted: June 15, 2021
- Operation: General aviation
- Aircraft: [N416QS](https://openairdocs.org/aircraft/N416QS), registered now
- Make and model: Emb EMB-505
- Registry model: [EMB EMB-505](https://openairdocs.org/model/embraer-executive-emb-505) (OpenAirDocs)
- Aircraft serial: 50500443
- Aircraft time: 3,003 hours, 2,361 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: 6450LS00
- Part serial: 002620
- Condition: Failed
- Location: Emergency Lights
- Stage of operation: IN
- How discovered: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2021FA0000174

## Discrepancy

FORWARD EMERGENCY LIGHT BATTERY FAILED THE FUNCTIONAL TEST IN ACCORDANCE WITH PHENOM 300 AMM 33-52-01, BATTERY FAILED AT 15:35 SECONDS AT 20VDC. PASSING TIME IS 22 MIN AT 20VDC.  PERFORMED REPLACEMENT #1 FORWARD EMERGENCY LIGHT BATTERY WITH A NEW BATTERY IN ACCORDANCE WITH PHENOM 300 AMM CHAPTER 33-52-01. PERFORMED OPERATIONAL TEST OF EMERGENCY LIGHTS BATTERY IN ACCORDANCE WITH PHENOM 300 AMM CHAPTER 33-52-00. NO DEFECTS NOTED.

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