# SDR SIMA991543

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 3, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N541AT
- Make and model: Aerosp ATR 72-212A
- Registry model: [Aerosp ATR 72-212A](https://openairdocs.org/model/aerospatiale-atr-72-212a) (OpenAirDocs)
- Aircraft serial: 541
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: 3013017
- Condition: Discharged
- Location: Cabin
- Stage of operation: TX
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SIMA991543

## Discrepancy

DFW - FLT 3715 - EMERGENCY EXIT SIGNS OVER SERVICE DOOR AND MAIN CABIN DOOR DO NOT ILLUMINATE.  REMOVED AND REPLACED EMERGENCY POWER SUPPLY BATTERY PACK.  OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.  (X)

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