What was found
PDX- NAV NR 2 RADIO WILL NOT SELECT FREQUENCY. RETURNED TO THE GATE. MAINTENANCE CYCLED POWER TO THE TUNING UNIT. SYSTEM RETURNED TO NORMAL OPERATION. AIRCRAFT RETURNED TO SERVICE. NO PARTS REPLACED.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
PDX- NAV NR 2 RADIO WILL NOT SELECT FREQUENCY. RETURNED TO THE GATE. MAINTENANCE CYCLED POWER TO THE TUNING UNIT. SYSTEM RETURNED TO NORMAL OPERATION. AIRCRAFT RETURNED TO SERVICE. NO PARTS REPLACED.