N7136H

Part: GOVERNOR — FAILED (NR 2 ENGINE) · airframe 9,660 hrs

NR 2 ENGINE DECELLED ON TAKEOFF. REPLACED NR 2 GOVERNOR.

Part: BLADE — DAMAGED (MAIN ROTOR) · airframe 9,374 hrs

MAIN ROTOR BLADE TRAILING EDGE HAS SOME DAMAGE JUST OUTBOARD OF THE TRIM TAB.

Part: TURBINE WHEEL — DAMAGED (ENGINE) · airframe 9,474 hrs

ENGINE PRODUCING LOW POWER. UPON INSPECTION OF TURBINE PARTS NOTED SULFIDATION ON 1ST STAGE WHEEL BLADES. SCRAPPED.

Part: VALVE — STUCK (OIL SHUTOFF) · airframe 9,453 hrs

DECK VALVE STUCK OPEN.

Part: SERVO — FAILED (ANTI ICE) · airframe 9,318 hrs

NR 1 ANTI ICE INOPERATIVE AND LIGHT FLASHES.

Part: HARNESS — SHORTED (ELECTRICAL) · airframe 9,314 hrs

SHORT IN WIRE FOR STRAIN RELIEF. REPLACED HARNESS.

Part: BEARING — WORN (ROD END) · airframe 9,314 hrs

MAIN ROTOR HEAD ROD END BEARINGS WORN. REPLACED WITH SERVICEABLE PARTS.

Part: BEARING — WORN (ROD END ASSY) · airframe 9,314 hrs

MAIN ROTOR HEAD ROD END BEARINGS WORN. REPLACED WITH SERVICEABLE PARTS.

Part: TURBINE WHEEL — DAMAGED (ENGINE) · airframe 9,307 hrs

ENGINE REMOVED DUE TO LOW POWER. UPON INSPECTION OF TURBINE PARTS NOTED SULFIDATION ON 1ST STAGE WHEEL BLADES. SCRAPPED WHEEL.

Part: GPS — DAMAGED (COCKPIT) · airframe 9,314 hrs

ALL DATA UNREADABLE DUE TO DISTORTED FACEPLATE ON GPS. REPLACED WITH SERVICEABLE PART.

Part: TURBINE WHEEL — DAMAGED (ENGINE) · airframe 8,656 hrs

ENGINE REMOVED DUE TO 1750 HOUR INSPECTION. UPON INSPECTION OF TURBINE PARTS NOTED SULFIDATION ON 1ST STAGE WHEEL BLADES. SCRAPPED.

Part: COMPRESSOR — FAILED (NR 1 ENGINE) · airframe 9,076 hrs

ON SECOND FLIGHT OF THE DAY, IN CRUISE, THE AIRCRAFT YAWED FOLLOWING WITH GENERATOR LIGHT ON, AUDIO ON, DECLINE OF N2, N1 AND OIL PRESSURE ON NR 1 ENGINE. SECURED NR 1 ENGINE. MAINTENANCE FOUND NR 1 COMPRESSOR FAILURE.

Part: COMPRESSOR — FAILED (ENGINE) · airframe 9,078 hrs

ENGINE REMOVED DUE TO IN FLIGHT COMPRESSOR DAMAGE. UPON INSPECTION OF COMPRESSOR PARTS NOTED WIPE OUT OF 2ND THRU 5TH STAGE COMPRESSOR WHEEL BLADES, EXCESSIVE FOD TO CASE HALF ASSY, 1ST THRU 6TH STAGE WHEELS, IMPELLER AND TURBINE. SUSPECTED CAUSE IS 2ND STAGE COMPRESSOR BLADE FAILURE.

Part: GPS RECEIVER — MALFUNCTIONED (COCKPIT)

ADJUSTER KNOB ON FRONT SKIPS WHEN DIALING BY PILOT.

Part: TRANSPONDER — FAILED TEST (ATC PANEL)

TRANSCEIVER FAILS ALL TESTS. REPLACED 2 EACH BACKLIGHTING BULBS. ALIGNED RECEIVER AND ADJUSTED FREQUENCY AND POWER OUT. BENCH CHECK GOOD.

Part: POWER SUPPLY — FAILED (STROBE)

NO OUTPUT VOLTAGE.

Part: BEARING — SPALLED (TRANSMISSION)

MAKING METAL. FOUND MAST BEARING SPALDING AND WAS CAUSE OF METAL. REPAIRED TRANSMISSION AND INSTALLED NEW MAST BEARING.

Part: UPPER HOUSING — DAMAGED (M/R GEARBOX)

TOP CASE LINER LOOSE AND DAMAGED

Part: BLADE — DETERIORATED (TAIL ROTOR)

TAIL ROTOR BLADE'S RUBBER COAT DETERIORATING AT BLADE TIP.

Part: BLADE — DETERIORATED (TAIL ROTOR)

TAIL ROTOR BLADE'S RUBBER COAT DETERIORATING AT BLADE TIP.

Part: WHEEL — MISMANUFACTURED (3RD STAGE)

RECEIVING INSPECTION REVEALED: MEASURED .010 INCH OVER SPECS (7.506 INCH - 7.508 INCH) ON NR 3 WHEEL OUTSIDE DIAMETER. INSTALLED A NEW NR 3 WHEEL.

Part: BLADE — DEBONDED (MAIN ROTOR)

LEADING EDGE OF MAIN ROTOR BLADE HAS SEPARATION BEYOND LIMITS ON THE OUTBOARD END OF THE TWO INBOARD STRIPS.

Part: AUDIO PANEL — INOPERATIVE (COCKPIT)

ICS AND TRANSMITTER ARE INOPERATIVE.

Part: CLUTCH — SEIZED (TRANSMISSION)

CLUTCH LOCKED UP CAUSING DAMAGE TO INPUT PINION P/N 4638-302-002, S/N 2935, AND FREEWHEEL SHAFT P/N 4638-302-013 , S/N 89. REPLACED DAMAGED PARTS WITH NEW PARTS AND PERFORMED LOAD TEST TO TRANSMISSION AND INSPECTION AFTER LOAD TEST AND RETURNED TO SERVICE.

Part: TACH GENERATOR — SHAFT SHEARED (ENG)

TACH GEN SHEARED SHAFT.

Part: PUMP — WORN SPLINE (HYD)

HYD PUMP WORN SPLINE.

Part: NOZZLE — CRACKED (TURB 1ST STAGE)

ENGINE REMOVED DUE TO AFT T/M BORE OIL LEAK. TURBINE DISASSEMBLED DUE TO LOW POWER ON TEST CELL. UPON INSPECTION OF TURBINE PARTS NOTED: CRACKED AND BOWED BEYOND SERVICEABLE LIMITS ON #1 NOZZLE VANES. INSTALLED A NEW #1 NOZZLE.

Part: CLUTCH — BROKEN (FREEWHEEL)

CLUTCH INNER CAGE BROKEN. REPLACED WITH SERVICEABLE CLUTCH

Part: NOZZLE — CRACKED (NR 1 NOZ VANE)

ENGINE REMOVED DUE TO LOW POWER. UPON INSPECTION OF TURBINE PARTS NOTED THE FOLLOWING: CRACKED BEYOND SERVICEABLE LIMITS ON #1 NOZZLE VANES. REPLACED DISCREPANT PART.

Part: ENGINE — LOW POWER (TURBINE WHEEL)

ENGINE REMOVED DUE TO LOW POWER. UPON INSPECTION OF TURBINE PARTS NOTED THE FOLLOWING: MINOR SULFIDATION ON ALL 1ST STAGE WHEEL BLADES. SCRAPPED 1ST STAGE WHEEL.

Part: WHEEL — BLADE ERODED (1ST STAGE)

ENGINE REMOVED DUE TO HIGH CYCLED 1ST,2ND AND 3RD STAGE WHEEL. UPON INSPECTION OF TURBINE PARTS NOTED THE FOLLOWING: MINOR SULFIDATION ON 7 EACH 1ST STAGE WHEEL BLADES AND ERODED LEADING EDGES. SCRAPPED 1ST STAGE WHEEL.

Part: POWER SUPPLY — FAILED (STROBE)

NO POWER COMING OUT OF POWER SUPPLY. SENT TO WHELAN ENGINE CO. FOR INSPECTION AND REPAIR.

Part: WHEEL — SULFIDATION (1ST STAGE)

ENGINE REMOVED DUE TO LOW POWER. UPON INSPECTION OF TURBINE PARTS NOTED THE FOLLOWING: MILD SULFIDATION OUT OF OVERHAUL MANUAL LIMITS ON ALL 1ST STAGE TURBINE WHEEL BLADES. SCRAPPED 1ST STAGE WHEEL.

Part: LORAN — WEAK (COCKPIT)

LORAN SIGNAL WEAK.