# SDR HYIA991AAHTRBLR

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 18, 2011
- Submitted: February 22, 2011
- Operation: Air carrier
- Aircraft: [N991AA](https://openairdocs.org/aircraft/N991AA), registered now
- Make and model: Cessna 402C
- Registry model: [Cessna 402C](https://openairdocs.org/model/cessna-402c) (OpenAirDocs)
- Aircraft serial: 402C0317
- Aircraft time: 26,944 hours
- System (JASC): [2140 · Heating System](https://openairdocs.org/jasc/2140)
- Part: Fan
- Part number: 722095
- Condition: Odor
- Location: Heater
- Component: Heater
- 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/HYIA991AAHTRBLR

## Discrepancy

CREW REPORTED, DURING CRUISE FLIGHT, WITH CABIN HEATER VENTILATING FAN ON HIGH, THE FAN CIRCUIT BREAKER TRIPPED.  RESET BREAKER, HAD BURNING SMELL AND BREAKER TRIPPED AGAIN.  MX INSPECTED ACFT HEATING SYS, R & R CABIN HEATER VENTILATING FAN. SYS CHECKED OK.

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