As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT OVERWING FUEL CAP LEAKING IN FLIGHT REMOVED AND REPLACED LEFT OVERWING FUEL FILL CAP PER B757-200 AMM 28-11-04. B757-200 IPC 28-11-04 ITEM 50 P/N 38222-3. PERFORMED LEAK CHECK AFTER FUEL SERVICE. LT TANK AT 15000LBS AND NO LEAKS OBSERVED.