# SDR J7SA2021021800274

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 4, 2021
- Submitted: February 18, 2021
- Operation: Air carrier
- Aircraft: [N372FX](https://openairdocs.org/aircraft/N372FX), registered now
- Make and model: Emb EMB-505
- Registry model: [EMB EMB-505](https://openairdocs.org/model/embraer-executive-emb-505) (OpenAirDocs)
- Aircraft serial: 50500388
- Aircraft time: 4,459 hours, 3,043 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Condition: Inoperative
- Location: Emergency Lights
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/J7SA2021021800274

## Discrepancy

DISCOVERED EMERGENCY LIGHTS ILLUMINATE WHEN SWITCH IS MOVED TO ARM POSITION. GAINED ACCESS TO FWD AND AFT EMERGENCY LIGHT BATTERIES, PERFUMED FIM TASK 33-50-00-810-801-A, DETERMINED BATTERIES TO BE DEFECTED. REMOVED AND REPLACED FWD AND AFT BATTERIES. P/N 6450LS-00; FWD S/N 001931; AFT S/N 002211.

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