# SDR N3XR20241204002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 4, 2024
- Submitted: December 5, 2024
- Operation: General aviation
- Filed by: [Embry-Riddle Aeronautical University Inc, repair station N3XR816N](https://openairdocs.org/faa-repair-station/N3XR816N/embry-riddle-aeronautical-university-inc.md) (OpenAirDocs)
- Aircraft: [N460ER](https://openairdocs.org/aircraft/N460ER), registered now
- Make and model: Cessna 172S
- Registry model: [Cessna 172S](https://openairdocs.org/model/cessna-172s) (OpenAirDocs)
- Aircraft serial: 172S12650
- Aircraft time: 2,498 hours
- Engine: Lyc IO360L2A
- Engine time: 2,467 hours
- System (JASC): [8550 · Reciprocating Engine Oil System](https://openairdocs.org/jasc/8550)
- Part: Transducer
- Part number: P26550371
- Condition: Fluctuates
- Location: Engine Oil
- Part time: 2,467 hours
- Stage of operation: TX
- How discovered: O
- Nature of condition: N
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/N3XR20241204002

## Discrepancy

DURING TAXI, NOTED OIL PRESSURE NOT WITHIN THE GREEN AT 1000 RPM. DURING RUN-UP, OIL PRESSURE ENTERED THE GREEN BUT FLUCTUATED BETWEEN THE FIRST 1/4 OF THE GREEN. AFTER RUN-UP WHEN THROTTLE WAS REDUCED BACK TO 1000, OIL PRESSURE 47 (TEMP 195). THE OIL PRESSURE TRANSDUCER WAS FOUND TO BE BAD AND WAS REPLACED.

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