As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMB, AIRCRAFT EXERIENCED LOUD BANK AND FIVE DEGREES OF YAW AT 2600 FEET. CREW RETURNED TO MSP AND LANDED WITHOUT INCIDENT. CREW REPORTED NUMBER TWO ENGINE GIVING LITTLE MORE THAN IDLE THRUST ON SHORT FINAL. REPLACED NUMBER TWO ENGINE ON 20 MARCH AT MSP DUE TO STALLS DURING CLIMB POWER. SYSTEM GROUND CHECKED NORMAL OPERATION.