N135CR

Part: GAUGE — FLUCTUATES (TRIPLE TACH) · airframe 3,047 hrs

ROTOR SPEED FLUCTUATED AND THEN FAILED.

Part: ACTUATOR — WORN (SERVO SYS) · airframe 2,643 hrs

INPUT LEVER WORN BEYOND LIMITS.

Part: ACTUATOR — MALFUNCTIONED (T/R CONTROL) · airframe 2,573 hrs

CAUSING UNCOMMANDED INPUTS AND LEAKING

Part: PUMP — UNSERVICEABLE (FUEL SYSTEM) · airframe 2,257 hrs

PART FAILED IN FLIGHT, REPLACED PART.

Part: INDICATOR — INOPERATIVE (TRIPLE TACH) · airframe 2,167 hrs

BOTH ENGINE N2 INDICATIONS FAILED IN FLIGHT.

Part: COMPUTER — UNRELIABLE (ALTIMETER) · airframe 1,527 hrs

COMPUTER CAUSING THE TRANSPONDER TO REPORT INACCURATE INFORMATION TO FLIGHT SERVICES.

Part: ALTIMETER — OUT OF TOLERANCE (COCKPIT) · airframe 1,610 hrs

BOUNCES ALL OVER THE PLACE, NOT GOOD FOR IFR FLIGHT.

Part: PUMP — FAILED (FUEL BOOST) · airframe 1,500 hrs

FAILED IN FLIGHT/ FUEL BOOST PUMP REPLACED.

Part: MOUNT — UNSERVICEABLE (M/R GEARBOX) · airframe 1,458 hrs

MAIN ROTOR GEARBOX MOUNT WORN BEYOND LIMITS

Part: MOUNT — WORN (M/R GEARBOX) · airframe 1,458 hrs

MAIN ROTOR GEARBOX MOUNT WORN BEYOND LIMITS

Part: ACTUATOR — UNRELIABLE (YAW) · airframe 1,458 hrs

CAUSING A YAW ACTUATOR LIGHT, AND AUTOPILOT TO FLY OUT OF TRIM

Part: COMPUTER — UNSERVICEABLE (NR 2) · airframe 1,439 hrs

TRANSPONDER WOULD NOT WORK ABOVE 4000 FT AND NR 2 DME WOULD NOT WORK. AFTER HAVING THE TRANSPONDER REPAIRED SEVERAL TIMES AND FINALLY REPLACED PROBLEM STILL NOT CORRECTED. REPLACED NR 2 FCDM AND ALL PROBLEMS CORRECTED.

Part: BUTTON — BROKEN (ATTITUDE CONTROL) · airframe 1,400 hrs

WHEN ACTIVATING ALT HOLD, THE LIGHT WOULD NOT IGNITE CONFIRMING ALT HOLD WAS ENGAGED.

Part: AUTOPILOT SYS — INTERMITTENT (COCKPIT) · airframe 1,364 hrs

AUTO PILOT FAILED INFLIGHT. AFTER RESETTING AUTOPILOT, IT WOULD FAIL AGAIN.

Part: CONTROL BOX — DEFECTIVE (NR 2 SYSTEM) · airframe 1,044 hrs

NR 2 MASTER ELECTRICAL BOX FAILED DURING LANDING, REPLACED

Part: SEAL — LEAKING (GEARBOX) · airframe 940 hrs

LEAKING HYDRAULIC DRIVE SEAL NOT ALLOWED TO CHANGE SEAL, MUST CHANGE ENTIRE GEARBOX.

Part: MOUNT — FAILED (GEARBOX) · airframe 773 hrs

AIRCRAFT BECAME ROUGH IN FLIGHT INSPECTED MOUNTS AND NOTICED THEY FAILED

Part: MOUNT — DEFECTIVE (GEARBOX) · airframe 773 hrs

AIRCRAFT BECAME ROUGH IN FLIGHT INSPECTED MOUNTS AND NOTICED THEY FAILED

Part: MOUNT — LEAKING (GEARBOX) · airframe 763 hrs

GEARBOX MOUNT LEAKING, REPLACED.

Part: MOUNT — DEFECTIVE (GEARBOX) · airframe 763 hrs

GEARBOX MOUNT LEAKING REPLACED

Part: ACTUATOR — DEFECTIVE (MAIN ROTOR) · airframe 763 hrs

MAIN ROTOR ACTUATOR EXCESSIVE LEAKING AROUND PISTONS REPLACED

Part: MODULE — DEFECTIVE (TRIM ACTUATOR) · airframe 763 hrs

AFTER INSTALLING THIS MODULE WE WERE HAVING TRIM ACTUATOR FAILURES AND AUTO PILOT WOULD NOT PASS BIT. REINSTALLED OLD MODULE.

Part: MOUNT — FAILED (M/R GEARBOX) · airframe 763 hrs

MAIN ROTOR GEARBOX MOUNT COMPLETELY FAILED. REPLACED.

Part: MOUNT — LEAKING (GEARBOX) · airframe 763 hrs

GEARBOX MOUNT LEAKING. REPLACED.

Part: MOUNT — DEFECTIVE (M/R GEARBOX) · airframe 741 hrs

MAIN ROTOR GEARBOX ARIS MOUNT FAILED. REPLACED.

Part: AUTOPILOT SYS — MALFUNCTIONED

WHILE ON A IFR TRAINING FLIGHT AIRCRAFT EXPERIENCED UN-COMMANDED ROLL AND PITCH MOVEMENTS WITH NO CAUTION LIGHTS OR MESSAGES. AUTOPILOTS DISENGAGED (REVISION TO FLIGHT MANUAL). NOTE: MAINTENANCE DID NOT FIND A CAUSE FOR THE UNCOMMANDED MOVEMENTS.

Part: BLADE — DEFECTIVE (MAIN ROTOR) · airframe 647 hrs

AIRCRAFT HAD A LATERAL VIBRATION. AFTER TRACKING WEIGHT NEEDED TO OFF SET LATERAL VIBRATION WAS BEYOND LIMITS. BLADES MUST BE ABSORBING WATER. RETURN AND INSTALLED A TEMPORARY ROTOR BLADE.

Part: COMMUTATOR — WORN (STARTER GEN) · airframe 647 hrs

STARTER GEN INSPECTED FOR WEAR. WEAR WAS EXCESSIVE, COMMUTATOR WAS EXTREMELY WORN AND GOUGED. REPLACED

Part: STARTER GEN — WORN (NR 2 ENGINE) · airframe 647 hrs

NR 2 ENGINE FAILED TO START. REPLACED STARTER GENERATOR