# SDR HYIA20210407003

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 1, 2021
- Submitted: April 7, 2021
- Operation: Air carrier
- Aircraft: [N499CA](https://openairdocs.org/aircraft/N499CA), registered now
- Make and model: Cessna 402C
- Registry model: [Cessna 402C](https://openairdocs.org/model/cessna-402c) (OpenAirDocs)
- Aircraft serial: C4021006
- Aircraft time: 24,718 hours, 14,457 cycles
- System (JASC): [2140 · Heating System](https://openairdocs.org/jasc/2140)
- Part: Ignition Unit
- Part number: 722081
- Part serial: BN295180
- Condition: Broken
- Location: Cabin Heater
- Part time: 2,823 cycles
- Component: Heater, Janitrol
- Component part number: 8259HL2
- Stage of operation: CR
- How discovered: O
- Nature of condition: B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HYIA20210407003

## Discrepancy

THE PILOT REPORTED A BURNING SMELL DURING CRUISE.  MAINTENANCE INSPECTED AND FOUND THE SMELL TO BE COMING FROM THE HEATER IGNITION UNIT.  THE COMPONENT WAS REMOVED AND REPLACED WITH NO FURTHER DEFECTS NOTED.

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