As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING GEAR RETRACTION, LEFT MAIN LANDING GEAR WOULD NOT RETRACT. CYCLED LANDING GEAR 6-7 TIMES WITH SAME RESULT. RETURNED TO AIRPORT WITH NO FURTHER PROBLEM. REPLACED LEFT OUTBOARD MLG DOOR BEARING AND ADJUSTED LEFT OUTBOARD SEQUENCE VALVE PLUNGER IAW MM 32-32-04. OPS CHECK GOOD.