As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY DECLARED & LANDING WAS UNEVENTFUL. ACFT WAS OVERWEIGHT. ON TAKEOFF FLAPS FAILED TO RETRACT. LT FLAP STAYED AT 1 & RT FLAP RETRACTED TO JUST LESS THAN 1 & STOPPED. ACCOMPLISHED QRH & RETURNED. BITE CHECK OF FLAP SLAT ELEC UNIT RETURNED CODE 27-53252. R & R NR 3 SKEW SENSOR T527 IAW AMM 27-59-01. SYS CHECKED GOOD.