As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ATL - FLT 73 - ON TAKEOFF, SPLIT FLAP CONDITION (I/B FLAPS WOULD NOT RETRACT BEYOND 5 DEGREES) USED ALTERNATED FLAP EXTENSION TO LOWER FLAPS. FLIGHT RETURNED TO ATL. REMOVED AND REPLACED I/B FLAP POSITION INDICATOR PER MM 27-51-00. OPS CHECK OK. (W)