What was found
DURING FLAP EXTENSION, EXPERIENCED FLAP SYS 1 & 2 FAULT ILLUMINATION, FLAPS FAILED TO EXTEND. PERFORMED QRH PROCEDURE. WHEN FLAP HANDLE MOVED TO 40 DEGREES, FLAPS EXTENDED TO 40. BITE CHECKED BOTH SFCC'S & BOTH PASSED. RESET & TESTED EACH SEGMENT OF BOTH SFCC'S. NR 1 SFCC FAULTS BOTH THE LT & RT WTB'S. NR 2 SFCC FAULTS BOTH THE LT & RT WTB'S. NORMAL CONFIGURATION FOR LANDING. ACFT LANDED NORMAL WITH SLAT & FLAP DEPLOYMENT. R & R NR 2 SFCC & NR 1 SFCC IAW MM 27-51-18-04. OPERATED FLAPS & SLATS WITH NO FAULTS. OK FOR SERVICE.