# SDR COEA9622202

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 11, 1996
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N222DG](https://openairdocs.org/aircraft/N222DG), registered now
- Make and model: Frchld F27F
- Aircraft serial: 31
- System (JASC): [2420 · AC Generation System](https://openairdocs.org/jasc/2420)
- Part: Transformer
- Part number: 7930040041
- Condition: Failed
- Location: Right
- Stage of operation: CR
- Nature of condition: B
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/COEA9622202

## Discrepancy

WHILE EN ROUTE FROM YVR-OAK, CO-PILOT'S DME INDICATOR DISPLAY WENT BLANK.  LATER THE NR 1 DE-ICING GENERATOR FAILURE LIGHT ILLUMINATED ACCOMPANIED BY A SLIGHT SMELL OF SMOKE.  CREW MADE A PRECAUTIONARY LANDING IN PDX.  THE AIRCRAFT LANDED WITHOUT INCIDENT.  REMOVED AND REPLACED NR 2 DME AND NR 1 ISOLATION TRANSFORMER.  DURING OPS CHECK WINDSHIELD HEAT C/B POPPED WHEN SELECTED ON HIGH.  FOUND NR 2 WINDSHIELD HEAT HI/LOW RELAY SHORTED TO GROUND CAUSING SEVERAL WIRES TO BURN.  MAINTENANCE REPAIRED AND REPLACED BURNED WIRING.  REMOVED AND REPLACED HI/LOW RELAY.  OPS CHECK GOOD.  AIRCRAFT RETURNED TO SERVICE.  (M)

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