As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INSPECTION TYPE:N/A**AIR TURNBACK** ENROUTE RECIVED ON BOTH CAPT & F/O PFD EXR FAIC AND EXR WEAK AT FL340 ALSO RECEIVED A EXR SYS STATUS MESSAGE DUE TO ENROUTE WEATHER - RESULTED IN AN ATBREMOVED & REPLACED WEATHER READAR TRANSCEIVER PER AMM 34-43-01-401. NO FAULTS, OPS CK OK AT THIS TIME. ESR: IPC 34-43-01-01