# SDR DALA1247829208

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 3, 2012
- Submitted: September 4, 2012
- Operation: Air carrier
- Aircraft: N908DA
- Make and model: Doug MD-90-30
- Registry model: [Doug MD-90-30](https://openairdocs.org/model/mcdonnell-douglas-md-90-30) (OpenAirDocs)
- Aircraft serial: 53388
- Aircraft time: 46,308 hours, 24,670 cycles
- System (JASC): [3150 · Central Warning](https://openairdocs.org/jasc/3150)
- Part: Display
- Part number: 066011711001
- Condition: Inoperative
- Location: Cockpit
- Stage of operation: IN
- How discovered: 9
- Nature of condition: B
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA1247829208

## Discrepancy

ON POWER UP AND RESETTING CIRCUIT BREAKER ARCING NOISE AND ASSOCIATED ELECTRICAL ODOR FOUND CAPT VSI/TCAS INDICATOR INOP PULLED AND RESET CIRCUIT BREAKER INDICATOR STILL INOP.  CONFIRMED SOURCE OF ELECTRICAL ODOR WAS FAILED CAPTAINS VSI.  REMOVED AND REPLACED VSI.  OPERATION CHECKS GOOD.

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