# SDR DLM88020660

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 13, 2002
- Submitted: June 21, 2002
- Operation: Air carrier
- Aircraft: N937DL
- Make and model: Doug MD-88
- Registry model: [Doug MD-88](https://openairdocs.org/model/mcdonnell-douglas-md-88) (OpenAirDocs)
- Aircraft serial: 49810
- Aircraft time: 36,568 hours, 29,405 cycles
- System (JASC): [2450 · AC Power Distribution System](https://openairdocs.org/jasc/2450)
- Part: Selector Switch
- Part number: 91976
- Condition: Shorted
- Location: Cockpit
- Stage of operation: TX
- How discovered: O
- Nature of condition: B
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DLM88020660

## Discrepancy

ON TAXI AC VOLT/FREQ SELECTOR SWITCH ON OVHD PANEL STARTED TO SMOKE.  WHEN RIGHT SELECTED VOLTS/FREQS READ ZERO WITH ENGINE RUNNING.  SELECTED LEFT SMOKE STOPPED.  RTB.  FOUND VOLTMETER/AMMETER SELECT SWITCH BURNED AND SHORTED.  REPLACED SAME.  ALL OK.  ACFT OK FOR SERVICE.

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