As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE AIRCRAFT WAS IN HEAVY CHECK MAINTENANCE FOUND THE RIGHT WING REFUEL PRESSURE SWITCH CORRODED. MAINTENANCE REMOVED AND REPLACED THE RIGHT WING REFUEL PRESSURE SWITCH IAW EMB 170 SWPM 20-50-10. THE AIRCRAFT IS OUT OF SERVICE IN HEAVY CHECK.