# SDR CA141006011

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 11, 2014
- Submitted: March 12, 2015
- Operation: General aviation
- Make and model: Lear 60LEAR
- Engine: Pwa PW305A
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Engine
- Condition: Malfunctioned
- Location: Not Reported
- Stage of operation: CR
- How discovered: O
- Nature of condition: R, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA141006011

## Discrepancy

(CAN) THE PILOT NOTICED N1 INDICATION REDUCED FROM 91 PERCENT TO 81 PERCENT WITHOUT COMMANDED THROTTLE INPUT.  THE ACFT HAD A CHANGE IN YAW SO THERE WAS THRUST REDUCTION.  THE N1 ROLL BACK LASTED 5 MINUTES THEN CAME BACK TO 91 PERCENT N1. TROUBLESHOOTING IS ONGOING.

---
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.