# SDR 20000627SH013

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 17, 2000
- Submitted: June 27, 2000
- Operation: General aviation
- Aircraft: N734TB
- Make and model: Cessna 172N
- Registry model: [Cessna 172N](https://openairdocs.org/model/cessna-172n) (OpenAirDocs)
- Aircraft serial: 17269091
- Engine: Lyc O320H2AD
- System (JASC): [7160 · Engine Air Intake System](https://openairdocs.org/jasc/7160)
- Part: Air Box
- Part number: 05521641
- Condition: Missing
- Location: Flapper Seal
- Part time: 4,925 hours
- Component: Carburetor, Facet
- Component part number: 105135
- Stage of operation: CR
- How discovered: V
- Nature of condition: R
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/20000627SH013

## Discrepancy

ENGINE DEVELOPED VIBRATION IN-FLIGHT AND LOSS OF POWER.  MAINTENANCE REMOVED CARBURETOR AIR BOX AND CARBURETOR.  FOUND PIECE OF SEAL FROM AIR BOX FLAPPER VALVE BROKEN OFF AND LODGED IN THE VENTURI.  (X)

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