# SDR HYIA20210604001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 1, 2021
- Submitted: June 4, 2021
- Operation: Air carrier
- Aircraft: [N903CA](https://openairdocs.org/aircraft/N903CA), registered now
- Make and model: Cessna 402C
- Registry model: [Cessna 402C](https://openairdocs.org/model/cessna-402c) (OpenAirDocs)
- Aircraft serial: C4020047
- Aircraft time: 30,948 hours, 57,074 cycles
- System (JASC): [2140 · Heating System](https://openairdocs.org/jasc/2140)
- Part: Tube
- Condition: Out Of Position
- Location: Heater
- 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/HYIA20210604001

## Discrepancy

THE PILOT REPORTED A CHEMICAL SMELL COMING FROM THE HEATER IN FLIGHT.  MAINTENANCE INSPECTED AND FOUND SCAT TUBING OBSTRUCTING HEATER THERMOSTAT ARM. REPOSITIONED AND SECURED SCAT TUBING WITH NO FURTHER DEFECTS NOTED.

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