What was found
NR 4 LEADING EDGE FLAP WILL NOT RETRACT. FOUND EXCESSIVE ICE BUILT UP ON BOTTOM OF SLAT. REMOVED ICE CYCLED FLAPS NUMEROUS TIMES. OPS CHECK GOOD, IAW B727 M/M 27-51-6.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
NR 4 LEADING EDGE FLAP WILL NOT RETRACT. FOUND EXCESSIVE ICE BUILT UP ON BOTTOM OF SLAT. REMOVED ICE CYCLED FLAPS NUMEROUS TIMES. OPS CHECK GOOD, IAW B727 M/M 27-51-6.