What was found
DURING CLIMB, THE NR 1 VHF COMM FAILED. AIRCRAFT RETURNED TO DTW AND LANDED WITHOUT INCIDENT. REPLACED THE NR 1 NAV COMM CONTROL PANEL AND VHF TRANSCEIVER. OPERATIONAL CHECK GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING CLIMB, THE NR 1 VHF COMM FAILED. AIRCRAFT RETURNED TO DTW AND LANDED WITHOUT INCIDENT. REPLACED THE NR 1 NAV COMM CONTROL PANEL AND VHF TRANSCEIVER. OPERATIONAL CHECK GOOD.