As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
COPILOT'S PFD TURNS ON AND OFF INTERMITTENTLY. REMOVED CO-PILOT MFD. CHECKED THE FILTER SCREEN ON BACK OF MFD. FOUND DEBRIS ON SCREEN. REMOVED AND CLEAN ALL DEBRIS FROM THE FILTER SCREEN. RE-INSTALLED THE CO-PILOT MFD INTO ITS ORIGINAL POSITION. OPS CHECKED GOOD. WORK DONE IAW MM 34-21-15