# SDR HYIA20201201001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 30, 2020
- Submitted: December 1, 2020
- Operation: Air carrier
- Aircraft: [N26156](https://openairdocs.org/aircraft/N26156), registered now
- Make and model: Cessna 402C
- Registry model: [Cessna 402C](https://openairdocs.org/model/cessna-402c) (OpenAirDocs)
- Aircraft serial: 402C0112
- Aircraft time: 26,592 hours, 20,483 cycles
- System (JASC): [2140 · Heating System](https://openairdocs.org/jasc/2140)
- Part: Pump
- Part number: 721526
- Part serial: 0626192
- Condition: Failed
- Location: Heater
- Part time: 238 hours
- 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/HYIA20201201001

## Discrepancy

THE PILOT REPORTED A BURNING SMELL IN THE CABIN INFLIGHT WITH THE HEATER TURNED ON AND DISSIPATED WHEN THE HEATER WAS TURNED OFF.  MAINTENANCE INSPECTED AND FOUND THE FUEL PUMP DRIVE BROKEN AND REPLACED THE HEATER FUEL PUMP WITH NO FURTHER DEFECTS NOTED.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.