As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) PILOT REPORTED RECEIVE FAILURE IN FLIGHT ON MAY 26, 2009. MX FUNCTION CHECK WAS PERFORMED, UNABLE TO DUPLICATE PROBLEM. RECEIVE PROBLEM REPORTED AGAIN ON MAY 27, 2009 AND PROBLEM VERIFIED. REPLACEMENT VHF COMM REMOVED FROM C-GSUW AND INSTALLED INTO ACFT. COMM FUNCTION CHECK SERVICABLE, NO FURTHER OCCURANCES REPORTED. THIS COMM FAILURE RESILTED IN CADOR NR 2009C1232.