# SDR CA030103015

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 3, 2003
- Submitted: January 21, 2003
- Operation: Air carrier
- Make and model: Bolkms BO105C
- Aircraft time: 5,130 hours
- Engine: Allsn 250C20B
- System (JASC): [7323 · Turbine Governor](https://openairdocs.org/jasc/7323)
- Part: Governor
- Part number: 23065125
- Condition: Malfunctioned
- Location: Engine
- Stage of operation: CR
- How discovered: O
- Nature of condition: E, J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA030103015

## Discrepancy

(CAN) TORQUE SPLIT OF 8 PERCENT REPORTED IN CRUISE. TEST FLIGHT REVEALED THAT BOTH GOVENORSWERE CAUSING THEIR RESPECTIVE N1 TO FLUCTUATE. BOTH GOVENORS WERE REPLACED ON BOTH ENGINES. A/C RETURNED TO SERVICE.

---
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.