As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKEOFF 1000 FLAP ASYMMETRY LEFT AND RIGHT FLAP SPLIT AT 1-3 AND LEADING EDGE PANEL ANNUNCIATOR SHOWED NO LIGHTS RETRACT FOR LDG, FLAP HANDLE IN 1 DEGREE POSITION. REPLACED THE NR 8 FLAP JACKSCREW GIMBAL BUSHING ASSEMBLY, INSTALLED A NEW BOLT AND COLLAR, AND PERFORMED SATISFACTORY OPERATIONAL CHECK IAW AMM 27-51-42. THE AIRCRAFT WAS GROUNDED.