Incident at Denver, Colorado, USA

1995-10-17: Initial information from T.S.B. Initial Notification: While cruising at FL410, the Air Canada Boeing 767-233 aircraft (C-GAUE, operating as flight ACA757) experienced a right engine fire warning. The flight crew followed the QRH and began descent to Denver, CO (U.S.A.). While descending through FL400, the flight crew received another fire warning with an engine over temperature indication. The flight crew discharged an extinguisher bottle and shut the enigne down. The remainder of the descent and landing at Denver with ERS standing by was without incident. Maintenance found that the IDG had failed. There was also some burnt wires in the surrounding area. Maintenance changed the IDG, fire bottle and Squib and the engine was ground run and checked serviceable. The aircraft was ferried to Montreal for a ""C"" check. Ops. impact -- unknown.