As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT EN ROUTE FROM PHX TO SLC DIVERTED TO LAS DUE TO NR 1 COMM INTERMITTENT REC IN AIR-NO TRANS. IN AIR CLOSE TO STA ONLY, ON GRND WORKS OK. AIRCRAFT MADE AN UNEVENTFUL LANDING. REMOVED AND REPLACED COAX CONNECTOR PER BOEING MM. OP'S CK GOOD.