# SDR 2026FA0000681

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 3, 2026
- Submitted: September 4, 2026
- Operation: General aviation
- Aircraft: [N172UZ](https://openairdocs.org/aircraft/N172UZ), registered now
- Make and model: Cessna 172P
- Registry model: [Cessna 172P](https://openairdocs.org/model/cessna-172p) (OpenAirDocs)
- Aircraft serial: 17274011
- Aircraft time: 2,606 hours
- Engine: Lyc O320*
- System (JASC): [8500 · Engine (Reciprocating)](https://openairdocs.org/jasc/8500)
- Part: Gascolator
- Condition: Dirty
- Location: Engine
- Stage of operation: TO
- How discovered: O
- Nature of condition: R, E
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2026FA0000681

## Discrepancy

PILOT REPORTED LOW POWER AND VIBRATION ON TAKEOFF AND ABORTED TAKEOFF. CLEANED GASCOLATOR AND AGGRESSIVELY FUEL TANKS AND BELLY SUMPS. NO WATER WAS PRESENT. VERIFIED PROPELLER TORQUE AND CHECKED DYNAMIC BALANCE DUE TO A RECENT PROPELLER INSTALLATION. PROPELLER VIBRATION INDICATED -GOOD- ON DYNAMIC BALANCE. CHECKED ENGINE COMPRESSION, MAGNETO TIMING AND SPARK PLUGS. ALL WERE NORMAL. RUN-UP AND FLIGHT CHECK SATISFACTORY.

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