What was found
FLAPS LOCKED - ALIGNMENT FAULT DISPLAYED ON UPPER EC AM SCREEN, - F-CTL. REMOVED RT WING NR 1 FLAP ACTUATOR, INSTALLED NR 1 RT WING FLAP ACTUATOR (PN 791C0000-02, SN (N985). NEED LONGER BOLTS FOR NEW STYLE ACTUATOR. INSTALLED CORRECT LENGTH BOLTS. INSTALLED NR 2 RT WING FLAP ACTUATOR (PN 792D0000-02 SN(N991). NEED LONGER BOLTS FOR NEW STYLE ACTUATOR. INSTALLED CORRECT LENGTH BOLTS. INSTALLED NR 3 RT WING FLAP ACTUATOR. NEED LONGER BOLTS FOR NEW STYLE ACTUATOR. TEMPORARILY INSTALLED WITH SHORTER BOLTS, WILL NEED CORRECT LENGTH BOLTS. INSTALLED ALL BUT 1 CORRECT LENGTH BOLT. INSTALLED BOLT AND COMPLETED INSTALLATION AND ADJUSTMENT OF NR 3 RT FLAP ACTUATOR. REPLACED RT WING NR 4 FLAP TRACK ACTUATOR.