N3122H

Part: BLOWER — MALFUNCTIONED (VENT) · airframe 11,464 hrs

VENT BLOWER POPS CIRCUIT BREAKER. REPLACED WITH SERVICEABLE PART.

Part: SPUR GEAR — WORN (ENGINE)

ENGINE REMOVED DUE TO SMOKE ON SHUTDOWN. UPON INSPECTION OF COMPRESSOR PARTS NOTED THE FOLLOWING: STEP WEAR ON SPUR GEARSHAFT AFT END SPLINES BEYOND SERVICEABLE LIMITS. NEW PART INSTALLED.

Part: CARBON SEAL — DAMAGED (ENGINE)

ENGINE REMOVED DUE TO SMOKE ON SHUTDOWN. UPON INSPECTION OF COMPRESSOR PARTS NOTED THE FOLLOWING: GROOVED SLOTS AND TANGS BEYOND SERVICEABLE LIMITS ON CARBON SEAL ASSY. NEW PART INSTALLED.

Part: INDICATOR — MALFUNCTIONED (FUEL QUANTITY)

FUEL QUANTITY NEEDLE STICKS AND WILL NOT READ ZERO.

Part: OXY CONVERTER — MALFUNCTIONED (OXYGEN SYS)

OXYGEN CONVERTER VENTS CONTINUOUSLY PRESSURE CLOSING, VALVE NOT SETTING.

Part: TRANSCEIVER — MALFUNCTIONED (COCKPIT)

STATIC NOISE IN HEADSET, LOW POWER OUT.

Part: SENSOR — MALFUNCTIONED (FUEL CELL)

TANK UNIT'S LOW LEVEL LIGHT STAYS ILLUMINATED WHILE AIRCRAFT IS RUNNING.

Part: TORQUE SHAFT — DAMAGED (ENGINE CONTROL)

TORQUE SHAFT'S BALL HAS GROOVE AND HANGS UP ON GROOVE, ALSO ROUGH IN MOVEMENT.

Part: TRANSMITTER — READS HIGH (FUEL PRESSURE)

PRESSURE TRANSMITTER READS HIGH, ABOVE 100 PSI.

Part: ACTUATOR — CHATTERS (AFCS)

ACTUATOR CHATTERING.

Part: ROTOR BRAKE — INOPERATIVE (MAIN ROTOR)

ROTOR BRAKE INOPERATIVE. REPLACED WITH SERVICEABLE UNIT.

Part: RELAY — FAILED (COCKPIT)

BAD FROM STOCK - MICROSWITCH STUCK 12 AND 13 DOES NOT OPEN WHEN RELAY IS PULLED. REMOVED AND REPLACED WITH SERVICEABLE RELAY.

Part: RELAY — FAILED (COCKPIT)

TRANSFORMER RECTIFIER NOT SUPPLYING POWER TO EMS EQUIP. CONTACTS B2 AND B3 SHOULD HAVE CONTINUITY WITH RELAY AT REST TO ALLOW EMS TRANSFORMER RECTIFIER TO SUPPLY POWER TO EMS SYSTEMS. THIS RELAY DOES NOT. REMOVED AND REPLACED WITH SERVICEABLE RELAY.

Part: MODULE — MALFUNCTIONED (ROTOR BRAKE)

MODULE CYCLES CONTINUOUSLY WHEN ON. UNIT INSPECTED BY ACCESSORY OVERHAUL SHOP. REPLACED O-RINGS AND BEARINGS DUE TO CONTAMINATION.

Part: VERTICAL GYRO — MALFUNCTIONED (AFCS)

VERTICAL GYRO SLOW TO DIRECT.

Part: BLADE — WORN (TAIL ROTOR)

PRIMARY POLY STRIP ON BOTH PADDLES IS WORN THROUGH TO THE GLASS ON TAIL ROTOR BLADE.

Part: WINDOW — MISMANUFACTURED (DOOR)

WINDOW SCREW HOLE WILL NOT LINE UP WITH SCREW HOLE ON WINDOW FRAME.

Part: VERTICAL GYRO — FAULTY (AFCS)

VERTICAL GYRO SLOW TO DIRECT.

Part: HYD PUMP — WORN (HYD SYS)

SPLINE WORN ON INTERNAL AND EXTERNAL DRIVE SHAFTS.

Part: BEARING — WORN (BLADE SPINDLE)

BEARING HAS EXCESSIVE RUBBER WEAR.

Part: ACTUATOR — FAILED (SERVO SYS)

ACTUATOR WILL ONLY RUN IN ONE DIRECTION.

Part: POTENTIOMETER — FAILED (AUTO PILOT)

ACTUATOR DOES NOT MOVE. INSPECTED BY ACCESSORY OVERHAUL SHOP AND FOUND ONE EACH POTENTIOMETER CHECKED BAD, HAD NO READING ON TEST.

Part: VERTICAL GYRO — MALFUNCTION (AUTOPILOT)

ATTITUDE INDICATOR ERRATIC AND UNRELIABLE. AUTOPILOT VERT GYRO MALFUNCTION

Part: ACTUATOR — FAILED (TURB CONTROL)

ACTUATOR WAS STIFF AND MOVED VERY SLOW. THEN SHAFT MOVED FREELY FOR A SHORT TIME. NOW SHAFT DOES NOT MOVE AT ALL.

Part: COMBUSTION LINER — CRACKED (ENGINE)

RECEIVING INSPECTION REVEALED: CRACKED BEYOND SERVICEABLE LIMITS ON COMB. LINER INNER SKIRT. INSTALLED A DALLAS AIRMOTIVE OVERHAULED COMB. LINER.

Part: VALVE — FAILED (BLEED SOV)

BLEED SHUT OFF VALVE STUCK OPEN.

Part: LORAN — INOPERATIVE (COCKPIT)

LORAN INOPERATIVE AND BUTTONS STICK.

Part: EJECTOR — CRACKED (EXHAUST)

EJECTOR CRACKED UPPER AIRCRAFT OUTLET.

Part: DAMPER — LEAKING (MAIN ROTOR)

DAMPER LEAKING.

Part: SENSOR — READS HIGH (FUEL TANK)

TANK UNIT READS OFF SCALE HIGH.

Part: ACTUATOR — INOPERATIVE (AFCS)

AFCS ACTUATOR INOPERATIVE.

Part: INDICATOR — ERROR (COCKPIT)

ALTIMETER INDICATOR EXCESSIVE FRICTION ERROR.

Part: EJECTOR — CRACKED (EXHAUST)

EJECTOR HAS NUMEROUS CRACKS AND PIECE MISSING.

Part: CONVERTER — WORN (WIPER)

CONVERTER EXCESSIVE SHAFT PLAY WHEN IN PARK POSITION.

Part: AMPLIFIER — DEFECTIVE (DROOP COMP)

DROOP COMP AMPLIFIER CAUSES TORQUE SPLIT WITH APPLICATION OF COLLECTIVE.

Part: INDICATOR — DEFECTIVE (ENG OIL)

OIL TEMP NEEDLE SPIKES INTERMITTENTLY.

Part: INDICATOR — STICKS (COCKPIT)

INDICATOR NEEDLE STICKS THROUGHOUT SCALE.

Part: BLOWER — IMPELLER LOOSE (OIL COOLER)

BLOWER IMPELLER LOOSE ON SHAFT.

Part: DAMPER — DEFECTIVE (M/R)

DAMPER INNER BUSHING CAVITY OVERSIZED.

Part: SERVO — WORN (M/R)

UPPER BEARING WORN. SENT TO HASE FOR MODIFICATION FOR CSN76-173 AND HR TEXTRON S.B. 0006760-06.

Part: BLADE — SPLIT (T/R)

PADDLE "B" OF THIS ASSEMBLY HAS A SPLIT ON THE TIP CAP AND CHIP FILLER NEAR WEIGHT POCKET COVER.

Part: EJECTOR — CRACKED (EXH)

EJECTOR IS CRACKED

Part: GEARSHAFT — STEPWEAR (SPUR ADAPTER)

ENGINE REMOVED DUE TO TURBINE WHEEL HIGH CYCLES. UPON INSPECTION OF COMPRESSOR PARTS NOTED THE FOLLOWING: STEP WEAR BEYOND LIMITS ON SPUR ADAPTER GEARSHAFT FWD AND AFT SPLINES. NEW PART INSTALLED.

Part: ALTIMETER — STICKS (COCKPIT)

ALTIMETER INTERMITTENTLY STICKS WHEN DECREASING ALTITUDE.

Part: CVR — INOPERATIVE (COCKPIT)

CVR WILL NOT TEST OR WORK.

Part: EJECTOR — PARTS MISSING (EXH)

EJECTOR MISSING PIECES.

Part: GEARSHAFT — STEPWEAR (SPUR ADAPTER)

ENGINE REMOVED DUE TO CYCLED 1ST AND 2ND STAGE WHEELS. UPON INSPECTION OF COMPRESSOR PARTS NOTED THE FOLLOWING: STEP WEAR BEYOND SPECS ON SPUR ADAPTER GEARSHAFT FWD AND AFT SPLINES AND STEP WEAR ON INTERNAL SPLINES OF SPLINE ADAPTER BEYOND SPECS. INSTALLED NEW SPUR ADAPTER GEARSHAFT AND SPLINE ADAPTER. SEE MMIR #4670 FOR SPLINE ADAPTER INFORMAITON.

Part: SPLINE ADAPTER — WORN (COMPRESSOR)

ENGINE REMOVED DUE TO CYCLED 1ST AND 2ND STAGE WHEELS. UPON INSPECTION OF COMPRESSOR PARTS NOTED THE FOLLOWING: STEP WEAR BEYOND SPECS ON SPUR ADAPTER GEARSHAFT FWD AND AFT SPLINES AND STEP WEAR ON INTERNAL SPLINES OF SPLINE ADAPTER BEYOND SPECS. INSTALLED NEW SPUR ADAPTER GEARSHAFT AND SPLINE ADAPTER. SEE MMIR #4669 FOR SPUR ADAPTER GEARSHAFT INFORMATION.

Part: N1 COUPLING — STEPWEAR (TURBINE)

ENGINE REMOVED DUE TO CYCLED 1ST AND 2ND STAGE WHEELS. UPON INSPECTION OF TURBINE PARTS NOTED THE FOLLOWING: FWD AND AFT SPLINE STEP WEAR BEYOND LIMITS ON N1 COUPLING. INSTALLED NEW COUPLING.

Part: TRANSCEIVER — DEFECTIVE (COCKPIT)

NUMBERS WILL NOT TURN.