What was found
WHEN DEPARTING, FLAPS FAIL AT 18 DEGREES. BOTH FLAP INOP LIGHT AND FLAP FAULT LIGHT ILLUMINATED, FOLLOW ALL QRH CHECKLIST LANDING. ECU FAULT LED NR 4 SHOWING C/W AMM, FLAPS RESET. FAULT LED 1 AND 2 AND 8 SHOWING, ACCOMPLISHED SL2 RESET. RAN FLAPS 0-33 DEGREES NUMEROUS TIMES WITH NO FAULT INDICATION. (K)