What was found
AFTER TAKEOFF, THE LANDING GEAR WOULD NOT RETRACT. AIRCRAFT RETURNED TO THE AIRPORT. REPLACED LEFT MLG PROXIMITY SWITCH 51GB AS PER MM. (M)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AFTER TAKEOFF, THE LANDING GEAR WOULD NOT RETRACT. AIRCRAFT RETURNED TO THE AIRPORT. REPLACED LEFT MLG PROXIMITY SWITCH 51GB AS PER MM. (M)