As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
GEAR DISAGREE CAUTION EICAS MSG DURING GEAR RETRACTION WITH EXPANDED GEAR INDICATION SHOWING LT WING GEAR IN TRANSIT. RAN QRH PROCEDURES, CONDITIONS REMAIN. R & R PRIMARY UPLOCK SENSOR & ALTERNATE UPLOCK SENSOR & PERFORMED ADJUSTMENT TEST. OPERATES NORMAL IAW MM 32-61-21 COMPLETED WITH ACTION PLAN 10483. PSEU REPLACED AS PRECAUTION & OPERATES OK. REF LP 593142.