# SDR SIMA200226107

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 15, 2002
- Submitted: September 24, 2002
- Operation: Air carrier
- Aircraft: [N269AT](https://openairdocs.org/aircraft/N269AT), 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: 269
- Engine: Pwa PW120
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 3011180
- Part serial: 1376
- Condition: Corroded
- 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/SIMA200226107

## Discrepancy

MAINTENANCE REPORTED SEVERAL EMERGENCY LIGHTS IN THE FORWRD CABIN TO BE INOPERATIVE.  MAINTENANCE REMOVED AND REPLACED THE POWER SUPPLY UNIT AT POSITION 3WL IAW ATRMM.  OPERATIONAL CHECK WAS GOOD AND AIRCRAFT WAS RETURNED TO SERVICE.  (SW212002B9782)

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