# SDR AWXA0000719

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 5, 2000
- Submitted: October 13, 2000
- Operation: Air carrier
- Aircraft: [N150AW](https://openairdocs.org/aircraft/N150AW), registered now
- Make and model: Boeing 737-3G7
- Registry model: [Boeing 737-3G7](https://openairdocs.org/model/boeing-737-3g7) (OpenAirDocs)
- Aircraft serial: 23218
- Aircraft time: 49,821 hours, 39,479 cycles
- System (JASC): [8012 · Engine Start Valves/Controls](https://openairdocs.org/jasc/8012)
- Part: Switch
- Part number: 3TL1575
- Condition: Chafed
- Location: Cockpit
- Stage of operation: TX
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AWXA0000719

## Discrepancy

ON PREFLIGHT AN ELECTRICAL ARC FROM WIRES ABOVE THE MAGNETIC COMPASS TO THE COMPASS HOUSING.  T/S AND FOUND WIRES CHAFED AT NR 1 ENGINE START SWITCH.  REPAIRED WIRING IAW WDM 74-00-00.  OPS CK GOOD ON ENGINE RUN.

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