# SDR HYIA20211130001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 24, 2021
- Submitted: November 30, 2021
- Operation: Air carrier
- Aircraft: [N67909](https://openairdocs.org/aircraft/N67909), registered now
- Make and model: Cessna 402C
- Registry model: [Cessna 402C](https://openairdocs.org/model/cessna-402c) (OpenAirDocs)
- Aircraft serial: C4020449
- Aircraft time: 22,279 hours, 50,095 cycles
- System (JASC): [2140 · Heating System](https://openairdocs.org/jasc/2140)
- Part: O-Ring
- Part number: MS29513125
- Condition: Defective
- Location: Heater Fuel Pump
- Component: Pump, Janitrol
- Component part number: 721526
- 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/HYIA20211130001

## Discrepancy

THE PILOT REPORTED A FUEL SMELL IN THE CABIN WITH THE HEATER ON.  MAINTENANCE INSPECTED AND FOUND THE HEATER FUEL FILTER LEAKING.  THE FUEL HEATER O-RING WAS REPLACED WITH NO FURTHER DEFECTS NOTED.

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