What was found
(SMOKE/FLAMES/FUMES OVERHEAD AT 21 ABC) REPORTED BY PASSENGER AND AS A PIREP, THIS WAS PRECEEDED BY AN EARLIER REPORT PRIOR TO FLIGHT OF (WATER LEAKING AT ROW 21 ABC/DEF O/H). INSP REVEALED (FRIED) BALLAST CONNECTOR. REPLACED BALLASTS AND BALLAST HARNESS ADAPTERS AT 21-22 ABC AND 23-24 ABC LOCATIONS PRIOR TO FLIGHT THE UPPER STROBE LIGHT ASSY HAD BEEN RESEALED IN RESPONSE TO THE WATER LEAK SQUAWK.