# SDR SIMA993341

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 30, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N274AT](https://openairdocs.org/aircraft/N274AT), registered now
- Make and model: Aerosp ATR 72-212
- Registry model: [Aerosp ATR 72-212](https://openairdocs.org/model/aerospatiale-atr-72-212) (OpenAirDocs)
- Aircraft serial: 274
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: 3012001
- Condition: Discharged
- Location: Cabin
- Stage of operation: IN
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SIMA993341

## Discrepancy

DFW - FLT 3701 - ALTERNATING EMERGENCY FLOOR PROXIMITY LIGHTS, TWO EXIT LIGHTS AND EXIT SIGN ABOVE COCKPIT DOOR DO NOT ILLUMINATE.  REMOVED AND REPLACED BATTERY PACK IN ONE EMERGENCY POWER SUPPLY.  OPERATIONAL CHECK GOOD.  AIRCRAFT RETURNED TO SERVICE.  (M)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
