By Rajesh Kumar Singh and Abhijith Ganapavaram (Reuters) -General Electric Co on Tuesday trimmed its full-year profit forecast after reporting a decline in third-quarter earnings, primarily due to higher warranty and related reserves at its renewable energy business. The company, however, reported much higher-than-expected free cash flow. Its quarterly revenue also topped Wall Street’s estimates. GE’s shares were down about 1.8% at $72.02 in mid-day trade. The company, which is in the process of breaking up into three companies, is facing challenges at its onshore wind business. The unit, whic…