N7266K

Part: RING — OUT OF POSITION (MLG) · airframe 23,174 hrs

WHEN LANDING GEAR WAS RETRACTED AFTER TAKEOFF, LANDING GEAR UNLOCK LIGHT REMAINED ON. FOUND TIE DOWN RING EXTENDED, REPOSITIONED TIEDOWN RING.

Part: LANDING GEAR — MALFUNCTIONED · airframe 23,302 hrs

HAD UNSAFE LANDING GEAR INDICATION AFTER PLACING LANDING GEAR LEVER DOWN. RECYCLED GEAR LEVER SEVERAL TIMES, SAME INDICATION, NO LT MAIN GEAR LIGHT WITH A RED UNSAFE LIGHT. FOLLOWED EMERGENCY PROCEDURE CHECKLIST AND RETURNED TO BASE.

Part: MASTER CAUTION — FAILED · airframe 21,362 hrs

MASTER CAUTION FAILURE.

Part: FUEL CONTROL — MALFUNCTIONED (ENGINE) · airframe 19,743 hrs

DURING A TRAINING FLIGHT, WE WENT TO 3,500 FEET AND ENTERED AUTOROTATION BY RETARDING BOTH ENGINE LEVERS TO IDLE. AFTER ESTABLISHING A STABILIZED AUTOROTATIONAL GLIDE, I BEGAN THE RECOVERY BY FIRST MOVING THE NR 2 ENGINE LEVER BACK TO FLY. I THEN STARTED MOVING THE NR 1 ENGINE LEVER TO FLY. ABOUT HALF WAY BETWEEN IDLE AND FLY, THE ENGINE QUIT. RATHER THAN TRY TO RESTART THE ENGINE IN FLIGHT, WE PROCEEDED TO ABBEVILLE AIRPORT AND PERFORMED A SINGLE ENGINE LANDING. AFTER MAINTENANCE CHECKED THE ENGINE, WE STARTED BOTH ENGINES AND CHECKED NR 1 BY MOVING THE ENGINE LEVER DIRECTLY TO “FLY” AS RAPIDLY AS POSSIBLE. EVERYTHING APPEARED NORMAL, BUT WE DECIDED TO REPEAT THE CHECK. WHEN I MOVED THE ENGINE LE

Part: SPINDLE — CRACKED (MAIN ROTOR) · airframe 19,473 hrs

THE SPINDLE ASSEMBLY WAS REMOVED TO REPLACE A DEFECTIVE ELASTOMERIC BEARING. WHILE CLEANING THE SPINDLE BEFORE INSTALLING THE NEW BEARING, THE SHOP TECHNICIAN DISCOVERED THE CRACKED SPINDLE.

Part: TRANSMISSION — MAKING METAL (MAIN ROTOR) · airframe 19,100 hrs

APPROXIMATELY ONE MINUTE AFTER DEPARTING SMI 61C, MAIN TRANSMISSION CHIP LIGHT ILLUMINATED WITHOUT CORRESPONDING MASTER CAUTION LIGHT. POWER WAS REDUCED AND THE APPROPRIATE EMERGENCY PROCEDURE, IAW THE RFM, WAS INTIATED. LIGHT DID NOT EXTINGUISH, RETURNED TO SMI 61C AND SECURED THE AIRCRAFT WHICH HAD 34 MINUTES OF FLIGHT TIME ON CLOCK AT THE TIME OF ILLUMINATION. ONE OF THE PASSENGERS WAS AN AVIATION MECHANIC, (GLEN PATCH) WHO CONTACTED MAINTENANCE.

Part: WINDSHIELD — CRACKED (COCKPIT) · airframe 16,273 hrs

WINDSHIELD IS CRACKED ON RIGHT HAND SIDE OF WINDSHIELD. CRACK RUNS INBOARD TOWARD CENTER OF WINDSHIELD FROM RIGHT HAND SIDE. WE HAVE EXPERIENCED SIMILAR CRACKING IN THESE WINDSHIELDS BEFORE. THE MECHANICS INVOLVED THINK THIS CRACKING IS DUE TO THE STRESSES CREATED BY POOR FITTING WINDSHIELDS. THE WINDSHIELDS DO NOT MATCH AIRCRAFT CONTOURS VERY WELL. REPLACED WINDSHIELD.

Part: SERVO — BROKEN (ROTOR) · airframe 16,273 hrs

PILOT VALVE INPUT ROD TURN BARREL HAD BROKEN RETAINING BOLT. THIS ENABLED THE BARREL TO TURN WHICH COULD ALTER THE SERVO TIMING. REPLACED MAIN ROTOR ASSEMBLY.

Part: VALVE — DEFECTIVE (ENGINE) · airframe 15,712 hrs

PART IS DEFECTIVE.THE GREEN ANTI -ICE ADVISORY LIGHT WAS REMAINING ON REGARDLESS OF SWITCH POSITION. THE ANTI -ICE SOLENOID VALVE WAS REPLACED BUT DID LIGHT REMAINED ON. THE ANTI-ICE SOLENOID WAS REPLACED AGAIN AND THE PROBLEM WAS CURED. SOLENOID WAS REPLACED.

Part: BRUSHES — CHIPPED (STARTER GEN) · airframe 15,696 hrs

BRUSHES ARE CHIPPED. THE TRAILING EDGE OF THE BRUSHES HAVE BEEN BREAKING OFF. THE LEAD WIRE THAT IS RIVITED AND SOLDERED COMES LOOSE POSSIBLY DUE TO OVERHEATING. REPLACED BRUSHES.

Part: SHAFT SEAL — LEAKING (NR 2 ENGINE) · airframe 15,620 hrs

PART IS LEAKING OIL. OIL SEAL HAD BECOME DISPLACED FROM FUEL PUMP DRIVE SEAL BORE IN ENGINE GEARBOX. OIL WAS COMING OUT OF THE FUEL PUMP CASE DRAIN, THROUGH THE DRAIN HOSE AND OUT OF THE DRAIN CLUSTER ON THE BELLY OF THE AIRCRAFT. FUEL PUMP WAS REMOVED, THE DRIVE SEAL WAS REPLACED WITH NEW SEAL AND THE FUEL PUMP WAS REINSTALLED.

Part: GEARSHAFT — BROKEN (ENGINE) · airframe 15,132 hrs

N-1 WENT TO ZERO, ENGINE OUT AUDIO CAME ON, ENGINE CHIP LIGHT ON

Part: STARTER GEN — LOOSE (ENGINE) · airframe 13,751 hrs

PART IS LOOSE. DRIVE SHAFT BECAME LOOSE WHEN FRICTION RING DISINTAGRATED. REPLACED STARTER GENERATOR.

Part: RELAY — SHORTED (BATTERY) · airframe 13,072 hrs

PART CIRCUIT-SHORTED. REPLACED RELAY

Part: SERVO — CRACKED (TAIL ROTOR) · airframe 13,024 hrs

CRACKED MOUNTING FLANGE. REPLACED T/R SERVO.

Part: LIGHT — LENS CRACKED (ANTI COLLISION)

ANTI-COLLISION LIGHT LENS CAME UNGLUED AT SEAMS. REPLACED LENS.