# SDR DLM88981120

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 26, 1998
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N918DL
- Make and model: Doug MD-88
- Registry model: [Doug MD-88](https://openairdocs.org/model/mcdonnell-douglas-md-88) (OpenAirDocs)
- Aircraft serial: 49583
- Engine: Pwa JT8D219
- System (JASC): [7430 · Ignition Switching](https://openairdocs.org/jasc/7430)
- Part: Switch
- Condition: Failed
- Location: Cockpit
- Component: 792055
- 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/DLM88981120

## Discrepancy

JUST AFTER IGN OVER-RIDE WAS SELECTED ARCING OCCURRED IN AREA OF IGN SWITCH.  COCKPIT HAD SMOKE.  DIVERTED TO LIT.  CONTRACT MTC REPORTS IGN C/BERS ARE TRIPPED AND IGN SW TERMINALS ARE BURNT ALONG WITH 2 FUEL HETA SWITCHES AND THE DC STREAT PUMP SW ALL DAMAGED WHEN WIRING TOUCHED SWITCHES.  REPLACED AFFECTED SWITCHES AND REPAIRED WIRING AS NECESSARY.

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