# SDR 2021FA0000092

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 27, 2021
- Submitted: March 29, 2021
- Operation: General aviation
- Aircraft: [N419QS](https://openairdocs.org/aircraft/N419QS), registered now
- Make and model: Emb EMB-505
- Registry model: [EMB EMB-505](https://openairdocs.org/model/embraer-executive-emb-505) (OpenAirDocs)
- Aircraft serial: 50500461
- Aircraft time: 2,397 hours, 1,942 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: 6450LS00
- Part serial: 001207
- 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/2021FA0000092

## Discrepancy

DISCREPANCY: IN ZONE 121 UPON FUNCTIONAL CHECK OF R/H RACK EMERGENCY LIGHTS BATTERY (EMBRAER PHENOM 300 SMR TASK 33-52-01-001), BATTERY FAILED AT 18:11 SECONDS AT 20VDC. PASSING TIME IS 22 MIN AT 20VDC.
CORRECTIVE ACTION: PERFORMED REPLACEMENT #2(RH RACK) EMERGENCY LIGHT BATTERY WITH A MODIFIED 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. 
THIS REPORT COMPLIES WITH FAA 14 CFR PART 135 OPERATOR'S GMM REQUIREMENTS.

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