# SDR ASOA02360

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 23, 2002
- Submitted: August 5, 2002
- Operation: Air carrier
- Aircraft: [N640AS](https://openairdocs.org/aircraft/N640AS), registered now
- Make and model: Aerosp ATR72
- Aircraft serial: 405
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 3012000
- Condition: Discharged
- 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/ASOA02360

## Discrepancy

DURING A HANGAR INSPECTION IN MCN, SEVERAL EMERGENCY LIGHTS THROUGH OUT THE CABIN WERE INOPERATIVE.  MAINTENANCE REMOVED AND REPLACED THE EMERGENCY LIGHT POWER SUPPLY IN THE 61WL POSITION.  OPERATIONAL CHECKS GOOD.  AIRCRAFT OK FOR SERVICE.  (M)

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