As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON DEPARTURE FROM JFK LANDING GEAR UP RT WING GEAR DID NOT RETRACT. AFTER CYCLED GEAR OP'S NORMAL. ITEM PLACED ON DMI AND FERRIED TO MZJ FOR MAINTENANCE. RIGGED DOOR SEQUENCE VALVE PER B747 AMM 32-12-00. NO OTHER RIGGING FAULTS FOUND. PERFORMED GEAR SWING TWO ADDITIONAL TIMES (TOTAL 13 TIMES).