As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SEA FLT 2374: NR 1 RADIO (COMM) IS REPORTED TOTALLY UNREADABLE BY ATC AND OPS. MAINTENANCE CYCLED VHF NR 1 CB (J1). PERFORMED THE OPS TEST OF THE VHF SYSTEM IAW AMM TASK 23-11-00-710-801. OPS CHECK GOOD. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.