As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING FINAL APPROACH, WHEN FLAPS WERE SELECTED TO 35*, FLAPS FAIL LIGHT ILLUMINATED AND FLAPS STOPPED LOWERING AT ABOUT 20*. OPS CHECKED FLAP SYS ON GROUND. CHECKED GOOD. NO BITE CODES ON FLAP CONTROLLER. PERFORMED 750 FLAP T/S AND FOUND SUSPECT PDU. REMOVED PDU AND INSTALLED OVERHAULED PDU. OPS CHECK GOOD. NO BITE CODE PRESENT. IAW CESSNA 750 M/M 27-50-00.