As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ETOPS - IN CRUISE FLIGHT, WX/PWS SWITCH IN POSITION 2 SHOWED RED WX CTL MESSAGE ON NAV DISPLAY - INTERMITTENTLY. SWITCHED TO POSITION 1 - OPS NORMAL. REMOVED AND REPLACED WX RADAR CONTROL PANEL (3SQ). PERFORMED WX RADAR BITE TEST PER AMM 34-41-00. NO FAULTS, OK TO CONT. SERVICE.