As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LT MAIN GEAR WOULD NOT RETRACT UNTIL 5TH LANDING GEAR CYCLE. RETURNED TO PDX. SWING GEAR COULD NOT GET TO DUPLICATE. CHECKED GAP ON HOOK IAW 32-32-10 CHECK GOOD. ADJUSTED TARGET IAW MM 32-61-01 AND ADJUSTED GEAR DOOR SEQUENCE VALVE (INBOARD AND OUTBOARD) IAW MM 32-32-04. SWUNG GEAR SEVERAL TIMES. SYSTEM CHECKS GOOD.