What was found
AFTER RETRACTING MLG, LT AMBER GEAR DOOR LIGHT ILLUMINATED. RECYCLED GEAR, LIGHT EXTINGUISHED, AIRSPEED INCREASED TO 165 KNOTS. NOTICED LT MLG DOOR DID NOT RETRACT. REDUCED AIRSPEED TO 140 KNOTS. SELECTED GEAR DOWN, LT MLG DID NOT EXTEND. PERFORMED ALTERNATE EXTENSION. AFT GEAR DOOR FORWARD INSERT CAME LOOSE, JAMMING DOORS. SEQUENCING VALVE WOULD NOT ALLOW EXTENSION WITHOUT DOORS OPEN. ALTERNATE EXTENSION HAD TO BE UTILIZED.