Feb. 5/14-A DeHavilland DHC-8-311, C-FACV, operated by Jazz from Vancouver to Penticton as Flight JZA8350 was waiting on taxiway ‘Lima’ to depart runway 08R when a flight attendant noticed the No 1 (left) engine (Pratt & Whitney Canada PW123, SN PCE123062) was smoking. The flight crew were advised, shutdown both engines, and discharged the fire suppression agent into the left engine compartment. They passed the information to ATC and ARFF responded; they confirmed there was no further indication of fire. The aircraft was towed back to the gate and passengers were off-loaded there.