The announcement came after another airline, Swiss, temporarily grounded its own fleet of A220s, though they are now back in service.
Update 1/2: After a comprehensive engine inspection the first C Series have already returned into service in perfect condition. Based on the current planning the flight operations can be resumed on Thursday in a largely regular manner.— Swiss Intl Air Lines (@FlySWISS) October 15, 2019
"airBaltic is closely following engine manufacturer’s Pratt&Whitney recommendations on additional inspections that are carried out strictly in accordance to manufacturer's specified schedule and guidelines to ensure the continued reliability of the airBaltic flight operations. airBaltic is working in close cooperation with Pratt & Whitney as well as the aircraft manufacturer Airbus," airBaltic told LSM.
"Safety is airBaltic’s top priority. While taking all the necessary precautions, airBaltic continues to operate its Airbus A220-300 fleet."
airBaltic uses a different variant of the Pratt & Whitney PW1500G engine used by Swiss, the airline pointed out.
"As confirmed by the manufacturer, the engines continue to meet all criteria for continued airworthiness," it said.
Swiss and airBaltic were the first airlines to introduce A220 aircraft into their fleets, as previously reported by LSM.