What was found
(CAN) THE VERTICAL SPEED INDICATOR HAD BEEN INDICATING SLOW, ERRATIC AND SOMETIMES INCORRECTLY. THE UNIT HAS A HISTORY OF ERRATIC BEHAVIOUR EVEN AFTER SUCCESSIVE OVERHAULS.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
(CAN) THE VERTICAL SPEED INDICATOR HAD BEEN INDICATING SLOW, ERRATIC AND SOMETIMES INCORRECTLY. THE UNIT HAS A HISTORY OF ERRATIC BEHAVIOUR EVEN AFTER SUCCESSIVE OVERHAULS.