As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) WHILE CARRYING OUT MAINTENANCE TASK RJ9-52-830-101, DETAILED INSPECTION OF THE PASSENGER DOOR LATCH MECHANISM THE PRESSURE VENT FLAP ICE BREAKER CABLE WAS FOUND TO BE DAMAGED. APPROXIMATELY 90 PERCENT OF CABLE STRANDS FRAYED/BROKEN. CABLE TO BE REPLACED IAW THE AMM.