As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
A FUEL LEAK FROM THE LT WING UPPER SURFACE WAS DISCOVERED WHILE CRUISING AT FL 260. THE AIRCRAFT WAS DIVERTED TO DFW WHERE IT LANDED WITHOUT INCIDENT. MAINTENANCE FOUND THE NR 1 AND NR 3 FUEL QUANTITY PROBES LEAKING DUE TO DETERIORATED O-RINGS. THE O-RINGS AND BACKUP RINGS WERE REPLACED IAW MM 28-40-1, CODE 3, PAGES 201-203. FURTHER INSPECTION FOUND NO OTHER LEAKS.