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Aircraft Maintenance TroubleShoot > Heater Troubleshooting (South Wind-except 8472 Series)

Heater pops or bangs when starting or cycling

1. Delayed ignition caused by intermittent spark. Replace spark plug. Check coil, ignition unit or breaker points.
2. Defective fuel nozzle.

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Disclaimer: sacskyranch.com contains abundant information relating to aircraft maintenance. The information provided is not intended to supercede or supplement the F.A.A. approved maintenance and/or operator’s manuals. Those F.A.A. approved manuals must be utilized when performing maintenance and/or operating aircraft.