# SDR HYIA20190315003

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 14, 2019
- Submitted: March 15, 2019
- Operation: Air carrier
- Aircraft: [N3249M](https://openairdocs.org/aircraft/N3249M), registered now
- Make and model: Cessna 402C
- Registry model: [Cessna 402C](https://openairdocs.org/model/cessna-402c) (OpenAirDocs)
- Aircraft serial: C4020296
- Aircraft time: 29,939 hours
- System (JASC): [2140 · Heating System](https://openairdocs.org/jasc/2140)
- Part: Ignition Unit
- Part number: 722081
- Condition: Burned
- Location: Heater
- Stage of operation: CR
- How discovered: O
- Nature of condition: B
- Precautionary procedure: H
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HYIA20190315003

## Discrepancy

PILOT REPORTED AFTER 45 MINUTES OF FLIGHT THE HEATER BEGAN PRODUCING A STRONG EXHAUST SMELL. MAINTENANCE INSPECTED AND FOUND THE HEATER IGNITION UNIT BURNT. THE IGNITION UNIT WAS REPLACED WITH NO FURTHER DEFECTS NOTED.

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