As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) ON DESCENT, A LOUD BANG WAS HEARD, FOLLOWED SHORTLY THEREAFTER BY ANOTHER SMALLER ONE. THE FLIGHT CARRIED ON TO A NORMAL APPROACH AND LANDING WITHOUT FURTHER INCIDENT. UPON INSPECTION AFTER LANDING, THE CAPTAIN NOTED THE ARMPIT PANEL WAS MISSING FROM UNDER THE LEFT WING ROOT. NO OTHER DAMAGE WAS FOUND AND MAINTENANCE WAS NOTIFIED. (PANEL LOST).