What was found
CREW REPORTED SMOKE IN COCKPIT AFTER LEFT ENGINE START. CREW RETURNED TO GATE. MAINTENANCE INSPECTED, REMOVED AND REPLACED LEFT AIR CYCLE MACHINE AND PERFORMED CHECKS USING AIRCRAFT MAINTENANCE MANUALS. AIRCRAFT RELEASED FOR SERVICE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
CREW REPORTED SMOKE IN COCKPIT AFTER LEFT ENGINE START. CREW RETURNED TO GATE. MAINTENANCE INSPECTED, REMOVED AND REPLACED LEFT AIR CYCLE MACHINE AND PERFORMED CHECKS USING AIRCRAFT MAINTENANCE MANUALS. AIRCRAFT RELEASED FOR SERVICE.