N5031U

Part: TRANSDUCER — FAILED (NR 2 ENGINE) · airframe 7,817 hrs

AFTER TAKEOFF NR 2 ENGINE OIL PRESSURE DROPPED TO ZERO. REPLACED NR 3 ENGINE OIL PRESSURE TRANSMITTER.

Part: LIFE VEST — LEAKING (CABIN) · airframe 7,573 hrs

LIFE VEST LEAKING.

Part: SWITCH — FAILED (DIFFERENTAL PRES) · airframe 7,312 hrs

PRESSURE SWITCHFAILED F/P 300 HOUR INSPECTION (WOULD NOT TEST). SCRAPPED.

Part: ROD END — WORN (MAIN ROTOR HEAD) · airframe 7,533 hrs

ROD END BEARING WORN. SCRAPPED.

Part: POWER SUPPLY — INOPERATIVE (STROBE) · airframe 7,573 hrs

EXTERNAL STROBE POWER SUPPLY INOPERATIVE.

Part: TRANSDUCER — FAILED (OIL PRESSURE) · airframe 7,817 hrs

NO OIL PRESSURE INDICATION. REPLACED WITH SERVICEABLE PART.

Part: INDICATOR — INACCURATE (COCKPIT) · airframe 7,273 hrs

ATTITUDE INDICATOR SHOWS 5 DEGREE BANK IN LEVEL FLIGHT. REPAIRED.

Part: INTERPHONE — MALFUNCTIONED (COCKPIT) · airframe 7,792 hrs

INTERPHONE BOX PRODUCING FEEDBACK NOISE ON CHANNEL 2. IN SHOP REPAIR.

Part: GOVERNOR — MALFUNCTIONED (ENGINE) · airframe 7,708 hrs

GOVERNOR TORQUE SPLITS. IN SHOP REPAIR.

Part: BEARING — WORN (ROD END) · airframe 7,416 hrs

YELLOW MAIN ROTOR PITCH CONTROL LINK LOWER ROD END BEARING WORN. SCRAPPED.

Part: FILTER — CLOGGED (PC AIR) · airframe 7,696 hrs

NR 1 ENGINE PC FILTER CLOGGING WITH WATER ON ENGINE WASH AND CAUSING HANG STARTS. REPLACED WITH SERVICEABLE FILTER.

Part: BEARING — WORN (ROD END) · airframe 7,416 hrs

YELLOW MAIN ROTOR PITCH CONTROL LINK LOWER ROD END BEARING WORN. SCRAPPED.

Part: POWER SUPPLY — INOPERATIVE (STROBE) · airframe 7,576 hrs

NO OUTPUT FROM STROBE POWER SUPPLY.

Part: ROD END — WORN (MAIN ROTOR HEAD) · airframe 7,533 hrs

MAIN ROTOR HEAD ROD END BEARING WORN. SCRAPPED.

Part: ELBOW — STRIPPED (PC FILTER) · airframe 7,368 hrs

PC FILTER SIDE STRIPPED. SCRAPPED.

Part: ACTUATOR — INOPERATIVE (ENGINE) · airframe 7,708 hrs

ACTUATOR INOPERATIVE.

Part: INDICATOR — MALFUNCTIONED (ENGINE RPM) · airframe 7,665 hrs

RPM INDICATOR NEEDLE JUMPS AS MUCH AS 15 PERCENT.

Part: FILTER — DEFECTIVE (PC AIR) · airframe 7,684 hrs

NR 1 ENGINE PC FILTER HANG STARTS ON ENGINE RINSE. REPLACED WITH SERVICEABLE FILTER.

Part: CHECK VALVE — FAILED (ENGINE) · airframe 7,665 hrs

ENGINE SMOKING ON SHUTDOWN. SCRAPPED CHECK VALVE.

Part: FUEL CONTROL — MALFUNCTIONED (ENGINE) · airframe 7,658 hrs

FUEL CONTROL DECEL TIME TOO LONG, ON/ABOUT 70 SECONDS. IN SHOP REPAIR.

Part: INDICATOR — READS LOW (DUAL TORQUE) · airframe 7,665 hrs

DUAL TORQUE INDICATOR READS LOW.

Part: PUMP — INTERMITTENT (FUEL SYSTEM) · airframe 7,623 hrs

FUEL PUMP INTERMITTENT.

Part: B-NUT — STRIPPED (PC TUBE) · airframe 7,368 hrs

PC TUBE FROM SCROLL TO PC FILTER B-NUT STRIPPED. SCRAPPED.

Part: ACTUATOR — INOPERATIVE (ENGINE) · airframe 7,573 hrs

NO RESPONSE FROM ACTUATOR WHEN SWITCH IN ON POSITION..

Part: FILTER — DAMAGED (PC AIR) · airframe 7,341 hrs

PC FILTER HANG STARTS ON ENGINE RINSE CYCLE. SCRAPPED.

Part: VALVE — STUCK (OIL SHUTOFF) · airframe 7,792 hrs

NR 2 DECK OIL SHUTOFF VALVE STUCK OPEN.

Part: VALVE — MALFUNCTIONED (OIL SHUTOFF) · airframe 7,811 hrs

OIL SHUTOFF VALVE POPS CIRCUIT BREAKER. TO BE SENT TO VENDOR FOR REPAIR.

Part: SHAFT — CORRODED (TAIL ROTOR)

PITTED ON AFT END AND FLANGE RIVETS HAVE CORROSION. REPLACED SHAFT P/N 105-31546, S/N 709 DUE TO CORROSION AND DISC P/N 1121-31531 DUE TO COATING DAMAGED.

Part: AMPLIFIER — INOPERATIVE (PA SIREN) · airframe 7,219 hrs

INOPERATIVE. TO BE SENT TO VENDOR FOR REPAIR.

Part: SPLINE ADAPTER — WORN (TAIL ROTOR)

WORN PITCH SHAFT SPLINES AND CORROSION ON CASE. REPAIRED.

Part: ROLLER — CHAFED (SEAT) · airframe 7,219 hrs

SEAT ROLLERS CHAFED INTO SEAT RAIL. REPLACED WITH SERVICEABLE PARTS.

Part: TUBE — CRACKED (ENGINE) · airframe 7,219 hrs

FOUND A STRESS CRACK IN THE FLARE OF TUBE. SCRAPPED.

Part: SKID — CORRODED (MLG) · airframe 7,219 hrs

LANDING GEAR SKID CORRODED AND DENTED. SCRAPPED.

Part: COVER — CRACKED (SUMP) · airframe 5,906 hrs

TURBINE REMOVED DUE TO NR 1 & 2 WHEEL CYCLES. UPON INSPECTION OF TURBINE NOTED NR 8 SUMP NUT BRAZEMENT ERODED AND CRACKED. SCRAPPED COVER AND REPLACED WITH SERVICEABLE PART.

Part: PUMP — MALFUNCTIONED (FUEL BOOST)

FUEL PUMP HAD LOW PRESSURE.

Part: NOZZLE SHIELD — CRACKED (NR 1)

TURBINE REPAIR DUE TO HIGH CYCLES. UPON INSPECTION OF TURBINE PARTS NOTED THE FOLLOWING: CRACKED BEYOND REPAIRABLE LIMITS ON NR 1 NOZZLE SHIELD DOME. REPLACED WITH SERVICEABLE PARTS.

Part: INDICATOR — FLUCTUATES (TRIPLE OIL TEMP)

NR 2 TEMP FLUCTUATES.

Part: HOUSING — CRACKED (T/R GEARBOX)

HOUSING CRACKED AT MOUNTING EAR. REPLACED WITH SERVICEABLE PART.

Part: AMPLIFIER — INOPERATIVE (COCKPIT)

PA AMP INOPERATIVE. NO OUTPUT.

Part: AMPLIFIER — FAILED (COCKPIT)

POWER COMES ON, BUT THERE IS NO OUTPUT.

Part: AMPLIFIER — MALFUNCTIONED (COCKPIT)

NOISE IN PA SPEAKER AT ALL TIMES.

Part: AMPLIFIER — FAILED (COCKPIT)

PA AMPLIFIER WILL NOT COME ON.

Part: INDICATOR — READS LOW (TOT)

EXHAUST TEMPERATURE INDICATOR CANNOT CALIBRATE. READS LOW.

Part: SHAFT — CORRODED (TAIL ROTOR)

SHAFT ASSY HAS CORROSION ON TUBE.

Part: TRANSPONDER — MALFUNCTIONED (COCKPIT)

TRANSCEIVER WILL NOT TRANSMIT AFTER ONE HOUR OF FLIGHT.

Part: INDICATOR — FAILED (TOT)

TOT INDICATOR CANNOT CALIBRATE. NON-LINEAR THROUGH SCALE.

Part: BUSHING — DAMAGED (ENGINE MOUNT)

ELASTOMERIC SEPARATING FROM BUSHING. REPLACED WITH SERVICEABLE CONTROL TUBE.

Part: CONTROL ROD — CORRODED (MAIN ROTOR)

EXCESSIVE CORROSION UNDER COLLAR OF CONTROL TUBE. REPLACED WITH SERVICEABLE CONTROL TUBE.

Part: CONTROL ROD — CORRODED (MAIN ROTOR)

EXCESSIVE CORROSION ON COLLAR AT ROD END MOUNT AREA OF CONTROL TUBE. REPLACED WITH SERVICEABLE CONTROL TUBE.

Part: NOZZLE — MALFUNCTIONED (NR 3)

ENGINE REMOVED DUE TO LOW POWER AND SMOKE ON DECELERATION. REPLACED NR 3 NOZZLE, POWER INCREASED 6 PERCENT. TRIED NR 3 NOZZLE ON ANOTHER TURBINE. LOW POWER ON TEST CELL. REPLACED NOZZLE AND HAD A 3 PERCENT INCREASE IN POWER. INSTALLED A STANDARD AERO OVERHAULED NR 3 NOZZLE.

Part: WHEEL — CORRODED (FIRST STAGE)

ENGINE REMOVED DUE TO LOW POWER. UPON INSPECTION OF TURBINE PARTS NOTED: MINOR SULPHIDATION ON 12 BLADES. SCRAPPED NR 1 WHEEL.

Part: BEARING RING — CORRODED (MLG)

MLG BEARING RING CORRODED BEYOND LIMITS. REPLACED WITH NEW BEARING RINGS.

Part: BEARING — UNBONDED (MIXING LEVER)

TEFLON UNBONDING FROM BEARING. REPLACED WITH NEW BEARING.

Part: INDICATOR — PRECESSES (COCKPIT)

ATTITUDE INDICATOR PRECESSES AND SLOW ERECTION RATES.

Part: LORAN — FAILED (COCKPIT)

LORAN LOSES DATA BASE MEMORY.

Part: BLADE — DEFECTIVE (T/R)

T/R BLADE S/N 151 HAS RUBBER COATING PEELING AT BLADE TIP AND S/N 165 SENT FOR BALANCING PURPOSES.

Part: TACH INDICATOR — ERRATIC (COCKPIT)

INDICATOR ERRATIC OPERATION AT LOW RPMS.

Part: TACHOMETER GENER — ERRATIC (ENGINE)

TACH GENERATOR ERRATIC INDICATION.

Part: INDICATOR — STICKS (TRIPLE TACH)

TRIPLE TACH RPM STICKS.

Part: INDICATOR — DEFECTIVE (TRIPLE TACH)

TRIPLE TACH ROTOR RPM 4% HIGH.

Part: WARNING BOX — INOPERATIVE (COCKPIT)

RPM WARNING BOX INOPERATIVE.

Part: ELT — MALFUNCTION (COCKPIT)

ELT ACTUATED SEVERAL TIMES IN 5 O 6 HOURS. TIME SINCE REPAIR 17:25.

Part: INDICATOR — FAILED (TRIPLE TACH)

WHEN AIRCRAFT WAS STARTED, NONE OF THE NEEDLES MOVED.

Part: BLADE — SEPARATION (M/R)

M/R BLADE SEPARATION ON THE INBOARD LEADING EDGE ABRASION STRIP BEYOND THE MAX LIMITS.

Part: ENCODER — READS LOW (COCKPIT)

ENCODER READS 200 FEET LOW BY ATC.

Part: ENCODER — DEFECTIVE (COCKPIT ALT)

ALTITUDE ENCODER NOT REPORTING ALTITUDE. CALIBRATE TO 28VDC INSTEAD OF 12VDC.

Part: INDICATOR — WONT TEST (MAST MOMENT)

INDICATOR WILL NOT TEST PROPERLY.

Part: TRANSMITTER — WONT TEST (MAST MOMENT)

INDICATOR WILL NOT TEST PROPERLY.

Part: BLADE — CRACKED (M/R)

BLADE IS CRACKED. (BLADE HAS NOSE AND NECK SHELLS CRACKED AND SEPARATED. THE INBOARD LEADING EDGE STRIP IS SEPARATED ON THE INBOARD END BEYOND LIMITS. THE NO. 2 CENTER STRIP HAS SMALL AREAS OF SEPARATION.

Part: NOZZLE — CRACKED (NR 2 VANE)

TURBINE REMOVED DUE TO CYCLES. UPON INSPECTION OF TURBINE PARTS NOTED: CRACKED BEYOND SERVICEABLE LIMITS ON #2 NOZZLE VANES AND DIAPRAGM.

Part: CONTROL UNIT — DEFECTIVE (COCKPIT VHF)

VOLUME ON RECEIVE IS LOW TO NONE AT ALL. REPLACED BAD PHOTOCELL RT1 AND BAD SWITCH S6. TOUCHED UP FACEPLATE. CLEANED THUMBWHEEL ASSY WITH ALCOHOL. BENCH CHECK GOOD.

Part: GAUGE — DEFECTIVE (FUEL QTY)

SUPPLY INOPERATIVE, ERRATIC READING.

Part: TRANSCEIVER — DEFECTIVE (COCKPIT)

IDENT LIGHT IS OUT. ATC REPORTED GOOD SIGNAL FROM TRANSPONDER. REPLACED V301 PHOTODETECTOR , DETERIORATED RESISTOR R477...RETURNED TO SERVICE.