# SDR 2010F00051

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 25, 2010
- Submitted: February 26, 2010
- Operation: Air carrier
- Aircraft: [N983QS](https://openairdocs.org/aircraft/N983QS), registered now
- Make and model: Cessna 750
- Registry model: [Cessna 750](https://openairdocs.org/model/cessna-750) (OpenAirDocs)
- Aircraft serial: 7500083
- Aircraft time: 9,844 hours, 6,256 cycles
- Engine: Allsn AE3007C
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Engine
- Condition: Oscillates
- Location: Left
- Stage of operation: CL
- How discovered: O
- Nature of condition: R, J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2010F00051

## Discrepancy

WITH POWER IN T/O DETENT, FADEC B CONTROLLING BOTH ENGINES, CLIMBING THROUGH 7000 FT THE NR 1, LT ENG POWER BEGAN OSCILLATING. LE N2 WENT TO 102 PERCENT.  REDUCED L POWER SLOWLY OUT OF T/O EVENTUALLY TO IDLE. UPON BRINGING L POWER BACK TO CRUISE SETTING, AMBER CAS FAN DAMAGE L ILLUMINATED. NO ENG VIBRATION WAS OBSERVED. UPON POSTFLIGHT INSP THERE WAS NO VISIBLE EVIDENCE OF BIRDSTRIKE OR FAN DAMAGE.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.