# SDR 8HBR20200629023

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 27, 2020
- Submitted: June 29, 2020
- Operation: General aviation
- Filed by: [Hillsboro Aero Academy LLC, repair station 8HBR698C](https://openairdocs.org/faa-repair-station/8HBR698C/hillsboro-aero-academy-llc.md) (OpenAirDocs)
- Aircraft: [N65259](https://openairdocs.org/aircraft/N65259), registered now
- Make and model: Cessna 172P
- Registry model: [Cessna 172P](https://openairdocs.org/model/cessna-172p) (OpenAirDocs)
- Aircraft serial: 17275715
- Aircraft time: 21,094 hours
- Engine: Lyc O320*
- System (JASC): [7160 · Engine Air Intake System](https://openairdocs.org/jasc/7160)
- Part: Flapper Valve
- Part number: 05521696
- Condition: Failed
- Location: Airbox
- Part time: 869 hours
- Component: Airbox, Cessna
- Component part number: 05521644
- Stage of operation: CR
- How discovered: O
- Nature of condition: R, C
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/8HBR20200629023

## Discrepancy

CARBURETOR HEAT FLAPPER VALVE MATERIAL FAILURE. A PIECE OF THE CARB HEAT FLAPPER VALVE MATERIAL SEPARATED FROM THE VALVE ASSEMBLY AND GOT STUCK IN THE THROTTLE BODY OF THE CARBURETOR, CAUSING SIGNIFICANT DEGRADATION OF THE ENGINE'S PERFORMANCE.

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