# SDR SIMA201123801

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 25, 2011
- Submitted: August 26, 2011
- Operation: Air carrier
- Aircraft: [N907AE](https://openairdocs.org/aircraft/N907AE), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 14500895
- Aircraft time: 17,088 hours, 14,617 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: 20131A
- Part serial: 104928
- Condition: Defective
- Location: Cabin
- Stage of operation: TX
- How discovered: C
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SIMA201123801

## Discrepancy

ON FLIGHT 3465 THE CREW REPORTED THE EMERGENCY LIGHTS WORKED INTERMITTENTLY ABOUT 50 PERCENT OF THE TIME, NO MATTER WHAT PANEL WAS USED.  THE AIRCRAFT WAS REMOVED FROM SERVICE.  REMOVED AND REPLACED EMERGENCY BATTERIES NR 1, 2, 3 & 4 IAW W/C 33-700-19.  THE OPERATIONAL CHECK WAS GOOD IAW W/C 33-700-17.  THE AIRCRAFT WAS RETURNED TO SERVICE.

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