N478X

Part: SPAR — CRACKED (TAIL PYLON) · airframe 5,403 hrs

CRACKED IN TAIL PYLON AFT SPAR WEB. RUN FROM LT SPAR TO RT SPAR.

Part: ACTUATOR — STUCK (LINEAR) · airframe 3,879 hrs

LINEAR ACTUATOR STICKING. REPLACED UNIT.

Part: AHRS — INOPERATIVE (FUSELAGE) · airframe 3,871 hrs

AHRS INOPERATIVE. OFF AND ON. REPLACED UNIT.

Part: TRANSDUCER — MALFUNCTIONED (MAIN ROTOR GB) · airframe 3,805 hrs

TRANSDUCER AFFECTS PBA. REPLACED UNIT.

Part: AHRS — INTERMITTENT (COCKPIT) · airframe 3,718 hrs

AHRS INTERMITTANTLY INOPERATIVE, WILL NOT STAY ON LINE. REPLACED UNIT.

Part: ACTUATOR — INTERMITTENT (AFCS) · airframe 2,944 hrs

KICKING INTERMITTLY. REPLACED UNIT.

Part: CONTROL UNIT — FAILED (ENGINE) · airframe 2,968 hrs

NR 1 ENGINE RUN UP FAULT. REPLACED UNIT.

Part: ICS BOX — INTERMITTENT (COCKPIT) · airframe 1,538 hrs

INTERMITTENTLY TRANSMISSION ON ALL CHANNELS. REPLACED UNIT.

Part: ACTUATOR — CHATTERING (AFCS) · airframe 2,992 hrs

CHATTERING. REPLACED UNIT.

Part: BATTERY — DISCHARGED (MAIN) · airframe 2,737 hrs

WOULD CRANK AIRCRAFT ENGINES TO START BATTERY DEAD. VERY WEAK ON FIRST START OFTHE DAY. REPLACED UNIT.

Part: CVR — WILL NOT TEST (COCKPIT) · airframe 2,944 hrs

FDR WILL NOT TEST. REPLACED UNIT.

Part: INDICATOR — FAILED (ENGINE N1) · airframe 2,807 hrs

PIECES OF LED SECTIONS MISSING IN NUMBER DISPLAY. BURNED OUT. REPLACED UNIT.

Part: LIGHT — BURNED OUT (STROBE) · airframe 2,807 hrs

FLASH TUBE BURNED OUT. SCRAPPED REPLACED UNIT.

Part: MODULE — MALFUNCTIONED (HYD SYSTEM) · airframe 4,817 hrs

HYD MODULE CAUSES INTERMITT 32 SYSTEM SERVO LITE. REPLACED UNIT.

Part: MIXER BOX — INTERMITTENT (COCKPIT) · airframe 2,717 hrs

INTERMITTLY INOPERATIVE COMPLETELY IN ALL SWITCH POSITIONS. REPLACED UNIT.

Part: MIXER BOX — INTERMITTENT (COCKPIT) · airframe 2,565 hrs

BOX CUTS OUT IN ICS. REPLACED UNIT.

Part: TURBINE — RUBBING (ENGINE)

TURBINE RUB. REPLACED UNIT.

Part: TACHOMETER — FAILED (GAS GENERATOR)

N1 GAUGE DIGITAL LIGHTS CANNOT BE READ WHEN NON- FLIGHT INST. LIGHT SWITCH IS ON. REPLACED UNIT.

Part: TACHOMETER — FAILED (GAS GENERATOR)

TURN ON ANALOG LIGHTS, DIGITAL GOES OFF. REPLACED UNIT.

Part: LINING — WORN (MLG BRAKE)

WORN BRAKE LINNING. REPLACED UNIT.

Part: SERVO — LEAKING (TAIL ROTOR)

SERVO LEAKING. REPLACED UNIT.

Part: ACTUATOR — INOPERATIVE (AFCS)

ACTUATOR INOPERATIVE. REPLACED UNIT.

Part: ACTUATOR — KICKING (AFCS)

ACTUATOR KICKS. REPLACED UNIT.

Part: ACTUATOR — KICKING (AFCS)

ACTUATOR KICKS. REPLACED UNIT.

Part: PANEL — CRACKED (PAX DOOR)

COVER PANEL FOR RIGHT HAND PASSENGER'S DOOR VENT CONTROL CRACKS AND MOUNT HOLES AND CORNER BROKEN OFF. REPLACED UNIT.

Part: INDICATOR — FAILED (N1)

DIGITAL LIGHTS. REPLACED UNIT.

Part: WHEEL — WORN (NLG)

WHEEL WORN. REPLACED UNIT.

Part: ENCODER — MALFUNCTIONED (COCKPIT)

ENCODING ALT. SENDS 020 ERROR CODE TO SKYWATCH IND DURING FLIGHT INTERMITTENTLY. SKY WATCH SYSTEM CYCLES OFF AND ON, 020 ERROR IS BAROMETRIC ALTITUDE INPUT. REPLACED UNIT.

Part: INDICATOR — MALFUNCTIONED (COCKPIT)

NR 2 NEEDLE WENT TO ZERO ON FUEL QUANTITY CONTROL.

Part: AMPLIFIER — ERRATIC (PITCH ACTUATOR)

PILOT REPORTED ERRATIC PITCH BIAS ACTUATOR MOVEMENT. REPLACED PART.

Part: CLOCK — SLOW (COCKPIT)

CLOCK LOOSES 10 MINUTES EVERY DAY. REPLACED PART.

Part: SCREEN — BROKEN (ENGINE INTAKE)

INTAKE SCREEN HAD BROKEN WIRE. REPLACED PART.

Part: INDICATOR — MALFUNCTIONED (N1)

THE DIGITAL NUMBERS THAT WERE LIT UP, WERE BRIGHTER THAN THE OTHER N1 INDICATOR, IT WOULD PULL THE BRIGTHNESS OF ANY OTHER INDICATOR IT WAS PAIRED WITH DOWN TO ALMOST NO INDICATION, WHEN LIGHT CONTROL SET TO MINIMUM AND WHEN SET AT MAXIMUM, IT WAS ALWAYS BRIGHTER THAN THE OTHER. REPLACED PART.

Part: INDICATOR — FLUCTUATING (N1)

N1 INDICATOR AFTER APPROXIMATELY 1 TO 1-1/2 HOURS OF OPERATION, INDICATOR NEEDLE STARTED FLUCTUATING FROM OPERATING RANGE TO ZERO AND BACK AGAIN. ALL TESTS AND WARNING LIGHTS WOULD BLINK OFF AND ON AND DIGITS WOULD READ 8888. SUBMITTER STATED THE CONNECTOR WAS TIGHT AND HAD NO PROBLEMS LIKE THIS WITH ANY INDICATOR BEFORE OR AFTER. REPLACED PART.

Part: ALTIMETER — MALFUNCTIONED (COCKPIT)

INDICATOR OFF FLAG WILL NOT PULL WHEN INDICATOR POWERED UP, BUT INDICATOR WORKED OTHERWISE. REPLACED PART.

Part: INDICATOR — STICKING (TRIPLE TACH)

NR 1 AND NR 2 NEEDLES STICK AT 20 PERCENT ON TRIPLE TACHOMETER. REPLACED PART.

Part: INDICATOR — FAILED (N1)

N1 INDICATOR NEEDLE STOPS MOVING IN-FLIGHT. CAN GET IT BACK IN OPERATIONAL BY DISCONNECTING ALL POWER THEN RECONNECTING POWER, BUT INDICATOR CONTINUES TO MALFUNCTION, REPLACED PART.

Part: INDICATOR — MALFUNCTIONED (TRIPLE TACH)

INSTALLED IN AIRCRAFT ROTOR NEEDLE ADVANCED ABOVE NR 1, 32 ENGINE NEEDLES, ENGINE NEEDLES WOULD NOT MARRY WITH ROTOR NEEDLE, ROTOR NEEDLE 107 PERCENT, NR 1 ENGINE 70 PERCENT. THROTTLES IN FLY POSITION. SPLIT STAYED THE SAME START TO SHUT DOWN. REPLACED PART.

Part: SERVO — INTERMITTENT (PITCH BIAS LINER)

PITCH BIAS ACTUATOR , PBA, IMTERMITTENTLY CAUSES AIRCRAFT TO PITCH UP OR DOWN DURING CRUISE FLIGHT. REPLACED PART.

Part: BLADE — ERODED (TAIL ROTOR)

EROSION OF PROTECTIVE RUBBER COATING ON LEADING EDGES OF TAIL ROTOR BLADE. REPLACED BLADE.

Part: BLADE — ERODED (TAIL ROTOR)

EROSION OF PROTECTIVE RUBBER COATING ON LEADING EDGES OF TAIL ROTOR BLADE. REPLACED BLADE.

Part: HOUSING — CORRODED (T/R GEARBOX)

TAIL ROTOR GEARBOX S/N: A239-00202 REMOVED FROM AIRCRAFT DUE TO LEAKING. FOUND OUTPUT HOUSING (ABOVE) QUADRANT ATTACHMENT BOLT HOLE AREA CORRODED. REPLACED WITH NEW OUTPUT HOUSING.

Part: INDICATOR — MALFUNCTIONED (N1)

N1 INDICATOR WENT TO ERR 2. ORDERED REPLACEMENT.

Part: POWER SUPPLY — INOPERATIVE (28V SUPPLY)

POWER SUPPLY INOPERATIVE. ORDERED REPLACEMENT.

Part: INDICATOR — MALFUNCTIONED (N1)

N1 INDICATOR'S LED LIGHTS WILL NOT DIM. ORDERED REPLACEMENT.

Part: INDICATOR — FAILED (N1)

N1 INDICATOR FAILED OFFSHORE. ORDERED REPLACEMENT.

Part: INDICATOR — MALFUNCTIONED (N1)

GAUGE GOES TO ZERO IN-FLIGHT, HAPPENED TWICE ON 1-1/2 HOUR FLIGHT. ORDERED REPLACEMENT.

Part: INDICATOR — INTERMITTENT (N1)

GAUGE INDICATED ERR 3 INTERMITTENTLY. ORDERED REPLACEMENT.

Part: STROBE — MALFUNCTIONED (FUSELAGE)

ANTI-COLLISION LIGHT HAS SLOW FLASH RATE. ORDERED REPLACEMENT.

Part: INDICATOR — FAILED (N1)

N1 INDICATOR WILL NOT SELF-TEST WITHOUT RESETTING 3 OR 4 TIMES. ORDERED REPLACEMENT.

Part: FASTENER — MISSING (M/R GEARBOX)

ON DAILY INSPECTION, FOUND (1 EACH) HI-LOCK PIN AND COLLAR MISSING FROM TRANSMISSION SUPPORT BEAM. REPLACED HI-LOCK PIN AND COLLAR.