# SDR SIMA200102102

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 21, 2001
- Submitted: May 3, 2001
- Operation: Air carrier
- Aircraft: [N223AT](https://openairdocs.org/aircraft/N223AT), registered now
- Make and model: Aerosp ATR 42-300
- Registry model: [Aerosp ATR 42-300](https://openairdocs.org/model/aerospatiale-aeritalia-atr-42-300) (OpenAirDocs)
- Aircraft serial: 223
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 3011151
- Part serial: 7033
- Condition: Inoperative
- Location: Cabin
- 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/SIMA200102102

## Discrepancy

MCO - FLT 10 - DURING OVERNIGHT MAINTENANCE, SEVERAL FLOOR PROXIMITY EMERGENCY LIGHTS WERE FOUND TO BE INOPERATIVE.  MAINTENANCE REMOVED AND REPLACED BATTERY PACK IN POWER SUPPLY UNIT 29WL.  OPS CHECK WAS GOOD AND AIRCRAFT WAS RETURNED TO SERVICE.  (M)

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