What was found
DURING CLIMB OUT, FELT VIBRATION, AND AIRCRAFT DID NOT PERFORM NORMALLY FOR BEING EMPTY. UPON LANDING IN ORD, FOUND THE UPPER TRANSLATING COWL ON THE RT ENGINE TO BE OPEN. SUSPECTED TO BE OPEN ENTIRE FLIGHT.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING CLIMB OUT, FELT VIBRATION, AND AIRCRAFT DID NOT PERFORM NORMALLY FOR BEING EMPTY. UPON LANDING IN ORD, FOUND THE UPPER TRANSLATING COWL ON THE RT ENGINE TO BE OPEN. SUSPECTED TO BE OPEN ENTIRE FLIGHT.