As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHEN EXTENDING FLAPS FOR APPROACH, OUTBOARD TRAILING FLAPS SPLIT: LEFT STAYED AT 1 DEGREE, RIGHT WENT TO 5 DEGREES. EXTENDED FLAPS BY ALTERNATE SYSTEM, FLAPS EXTENDED NORMALLY. FLAP TRANSMISSION SERVICED IAW MM 12-13-13. CHECKED FLAP POSITION INDICATION SYSTEM CABLE TENSIONS AND FOUND NORMAL IAW MM 27-58-02. REPLACED OUTBOARD FLAP POSITION INDICATOR AND OPS CHECK NORMAL IAW MM 27-58-00.