As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MOISTURE AND CORROSION DAMAGE ARE BEING FOUND ON CIRCUIT BOARDS FOLLOWING POSSIBLE WATER INTRUSION THROUGH UPPER WING SKIN ACCESS PANEL. TO DATE, 24 FUEL QUANTITY MATRIX BLOCKS AND 7 UNENCAPSULATED PCB BOARDS (P/N 101-361096-3) ACROSS 13 AIRCRAFT HAVE MALFUNCTIONED DUE TO REPEATED EXPOSURE TO MOISTURE.