As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FOUND CENTER REFUEL IND. UNREADABLE MOISTURE INSIDE IND. GROUNDED - YES. OPENED 4 CB'S AND TAGGED. REMOVED AND REPLACED CENTER TANK REFUELING INDICATOR. REMOVED TAGS AND RESET 4 CB'S. ALL OP TEST GOOD REF B737-800 AMM 29-41-61-000/400-801.