As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UHHH-FLT NR 80738: WHEN RETRACTING FLAPS, NR 1 LEADING EDGE FLAP, LEFT SIDE WOULD NOT RETRACT. NR 1 REMAINED INTRANSIT DURING EXTENSION ALSO. REPLACED NR 1 LEFT LEADING EDGE FLAP DRIVE UNIT. OPS CHECKS NORMAL ON GROUND PER MM 27-81-03.