N723PH

Part: SEAL — LEAKING (NR 1 BEARING) · airframe 7,109 hrs

PILOT REPORTED ENGINE OIL PRESSURE FLUCTUATING IN CRUISE FLIGHT. ENGINE OIL RESERVOIR CONTAINED ONLY ONE INCH OF OIL WHEN CHECKED. OIL LEVEL IN RESERVOIR HAD BEEN AT NORMAL OPERATING LEVEL ON PREFLIGHT. MAINTENANCE FOUND THE NR 1 BEARING SEAL LEAKING. REPLACED THE ENGINE ASSEMBLY.

Part: WINDSHIELD — BIRD STRIKE (COCKPIT) · airframe 4,758 hrs

BIRD STRIKE WHILE LANDING AT VEN NOBLE. MAINTENANCE REPLACED RT WINDSHIELD. NO OTHER DAMAGE TO AIRCRAFT.

Part: FRAHM — VIBRATION (MAIN ROTOR) · airframe 4,112 hrs

FRAHM ASSY HAS ONE PER REV VIBRATION. REPLACED WITH SERVICEABLE PART.

Part: PIN — WORN (MAIN ROTOR) · airframe 4,112 hrs

MAIN ROTOR PIN WORN. REPLACED WITH SERVICEABLE PART.

Part: ANTENNA — INTERMITTENT (COMMS) · airframe 3,898 hrs

ANTENNA RECEIVES INTERMITTENTLY.

Part: GPS — INTERMITTENT (COCKPIT) · airframe 3,898 hrs

GPS OUTERLINK RECEIVES INTERMITTENTLY. REPAIRED.

Part: BEARING — OVERHEATED (DRIVE SHAFT) · airframe 3,898 hrs

BEARING IS GETTING HOT AND HEAT IS TRAVELING DOWN SHAFT. REPLACED.

Part: BLEED VALVE — INOPERATIVE (ENGINE) · airframe 3,996 hrs

BLEED VALVE PRODUCING HIGH TOT. TO BE SENT TO VENDOR FOR REPAIR.

Part: DISC PACK — CRACKED (TAIL ROTOR) · airframe 3,930 hrs

TAIL ROTOR DISC PACK CRACKED.

Part: BEARING — OVERHEATED (T/R DRIVE) · airframe 3,849 hrs

TAIL ROTOR DRIVE BEARING PRODUCED HIGH TEMPERATURE.

Part: BEARING — OVERHEATED (T/R DRIVE) · airframe 3,898 hrs

TAIL ROTOR DRIVE BEARING PRODUCING HIGH TEMP.

Part: BEARING — DELAMINATED (M/R HUB) · airframe 3,793 hrs

RED FEATHERING BEARING DELAMINATED. REPAIRED.

Part: UNIVERSAL — WORN (M/R DRIVE) · airframe 3,767 hrs

MAIN ROTOR DRIVE UNIVERSAL WORN.

Part: BLEED VALVE — INOPERATIVE (ENGINE) · airframe 3,756 hrs

BLEED VALVE PRODUCING HIGH TOT. REPLACED.

Part: SERVO — WORN (CYCLIC) · airframe 3,741 hrs

CYCLIC SERVO HAS A WORN BEARING. SENT TO MFG FOR CREDIT.

Part: ANTENNA — CORRODED (COMMS) · airframe 3,581 hrs

ANTENNA HAS CORROSION AT COAX CONNECTION. SCRAPPED.

Part: BEARING — DAMAGED (T/R DRIVESHAFT) · airframe 3,610 hrs

TAIL ROTOR DRIVESHAFT HANGER BEARING SLINGING BLACK GREASE.

Part: INDICATOR — INTERMITTENT (DUAL TACH) · airframe 3,430 hrs

DUAL TACH INDICATOR INTERMITTENT FAILED.

Part: INDICATOR — INTERMITTENT (DUAL TACH) · airframe 3,417 hrs

DUAL TACH INDICATOR ROTOR INDICATION INTERMITTENTLY DROPS TO ZERO DURING STARTS.

Part: WIRE HARNESS — DAMAGED (FADEC SYS) · airframe 3,285 hrs

FADEC TO ENGINE WIRE HARNESS OIL SOAKED AND TORN.

Part: BOLT — WORN (R/BRAKE CALIPER) · airframe 3,571 hrs

ROTOR BRAKE CALIPER HAS WORN BOLTS.

Part: INDICATOR — MALFUNCTIONED (ENGINE OIL TEMP) · airframe 3,058 hrs

ENGINE OIL TEMP INDICATOR CAUSING THE DUAL TACH TO GO INTO TEST MODE AT ANY GIVEN TIME.

Part: KNOB — LOOSE (AUDIO CONTROL) · airframe 3,053 hrs

LOOSE KNOBS. REPLACED BAD RECEIVE VOLUME KNOBS AND BAD ICS/VOX KNOB. TIGHTENED LOOSE PILOT RECEIVE VOLUME KNOB SHAFT. REPAIRED. BENCH CHECK GOOD.

Part: EXHAUST STACK — CRACKED (ENGINE) · airframe 3,547 hrs

EXHAUST STACK CRACKED.

Part: ROTOR HEAD — DAMAGED (TAIL ROTOR) · airframe 3,095 hrs

TAIL ROTOR HEAD TRUNNION CLICKS WHEN FLAPPING BLADES. REPAIRED.

Part: BLADE — CRACKED (MAIN ROTOR) · airframe 3,440 hrs

MAIN ROTOR BLADE CRACKED AND SEPARATED NEAR THE OUTBOARD TRIM TAB.

Part: BEAM — DAMAGED (MAIN ROTOR) · airframe 3,468 hrs

BEAM ASSY HAS MECHANICAL DAMAGE.

Part: BEARING — SEPARATED (T/R HEAD) · airframe 3,459 hrs

TAIL ROTOR HEAD BEARING HAS RUBBER SEPERATION. REPAIRED.

Part: ROD — WORN (MAIN ROTOR) · airframe 3,374 hrs

MAIN ROTOR ROD ASSY WORN.

Part: STRAP — DAMAGED (MLG) · airframe 3,257 hrs

MLG STRAP MISSING RUBBER PAD.

Part: UNIVERSAL — WORN (MAIN ROTOR) · airframe 3,440 hrs

MAIN ROTOR UNIVERSAL HAS BEARING WEAR.

Part: UNIVERSAL — WORN (MAIN ROTOR) · airframe 3,383 hrs

MAIN ROTOR UNIVERSAL HAS BEARING WEAR.

Part: LEVER — WORN (MAIN ROTOR) · airframe 3,535 hrs

MAIN ROTOR LEVER ASSY WORN.

Part: CHANNEL — CRACKED (FUSELAGE) · airframe 3,491 hrs

FUSELAGE CHANNEL CRACKED. SCRAPPED.

Part: BRUSHES — WORN (STARTER GEN) · airframe 3,333 hrs

STARTER GEN BRUSHES WORN. REPAIRED.

Part: GAUGE — DAMAGED (FLOAT PRESSURE) · airframe 3,318 hrs

EMERGENCY FLOAT PRESSURE GAUGE FACE PLATE TURNS INSIDE GAUGE, PRESSURE INDICATION NOT RELIABLE.

Part: COVER — WORN (EMERGENCY FLOAT) · airframe 3,552 hrs

EMERGENCY FLOAT COVER WORN.

Part: HYDROMECH UNIT — LEAKING (FUEL CONTROL) · airframe 3,477 hrs

FUEL FOUND DRIPPING OUT OF CONNECTOR PLUG RECEPTICLE. REPLACED WITH SERVICEABLE PART.

Part: VALVE — INOPERATIVE (FUEL SHUTOFF) · airframe 3,233 hrs

FUEL SHUTOFF VALVE WILL NOT OPEN. VALVE WILL MOTOR BUT STAYS CLOSED.

Part: BRUSHES — WORN (STARTER GEN) · airframe 3,583 hrs

STARTER GEN BRUSHES WORN. REPAIRED.

Part: GYRO — PRECESSES (COCKPIT) · airframe 3,079 hrs

GYRO PRECESSES 15 DEGREES OFF COURSE IN FLIGHT. MUST BE RESET CONSTANTLY. REPAIRED.

Part: TRANSCEIVER — MALFUNCTIONED (COCKPIT) · airframe 3,333 hrs

TRANCEIVER KEEPS FLICKING OFF. TURNING THE KNOB OFF THEN BACK ON GETS IT TO WORK AGAIN. REPLACED BAD S901 VOLUME CONTROL SWITCH AND MHZ SWITCH HOUSING. REPAIRED. CLEANED SELECTOR CONTACTS. BENCH CHECK GOOD.

Part: FRAHM — BROKEN (M/R HEAD) · airframe 2,992 hrs

BROKEN FRAHM ASSY SPRING.

Part: CONE SEAT — CHAFED (M/R HEAD) · airframe 2,992 hrs

CENTER CONE SEAT CHAFED AROUND EDGE.

Part: GIMBAL RING — CORRODED (MAIN ROTOR) · airframe 2,992 hrs

GIMBAL RING HAS CORROSION NEAR BOLT HOLE.

Part: FUSIBLE PLUG — LEAKING (EMERGENCY FLOAT) · airframe 2,991 hrs

EMERGENCY FLOAT FUSIBLE PLUG LEAKING.

Part: BLADE — CORRODED (MAIN ROTOR) · airframe 2,992 hrs

POTTING SEPARATED AND CORROSION ON WEIGHT POCKET.

Part: SOLENOID VALVE — LEAKING (FLOAT BOTTLE) · airframe 2,991 hrs

EMERGENCY FLOAT BOTTLE SOLENOID VALVE IS LEAKING.

Part: LINK — CORRODED (MAIN ROTOR) · airframe 2,992 hrs

MAIN ROTOR LINK ASSY HAS CORROSION BEYOND LIMITS AROUND BOLT HOLE.

Part: PITCH LINK — CORRODED (MAIN ROTOR) · airframe 2,992 hrs

PITCH LINK ASSY HAS CORROSION BEYOND LIMITS AT END OF BARREL.

Part: PIN — CORRODED (MAIN ROTOR) · airframe 2,992 hrs

CORROSION AROUND EDGE.

Part: BLADE — CORRODED (MAIN ROTOR) · airframe 2,992 hrs

POTTING SEPARATED AND CORROSION ON WEIGHT POCKET.

Part: HOUSING — CRACKED (BLOWER) · airframe 2,992 hrs

TAIL ROTOR BLOWER HOUSING CRACKED IN AFT UPPER LT CORNER.

Part: FITTING — CORRODED (MLG) · airframe 2,992 hrs

CORRODED AT FLARED END OF FITTING.

Part: HMU — MALFUNCTIONED (FUEL CONTROL) · airframe 2,628 hrs

WHEN HMU IS PLACED IN MANUAL MODE, NG DECAYS TO 54.9 PERCENT WITH HORN COMING ON. REPLACED WITH SERVICEABLE HMU.

Part: BEARING — WORN (M/R UNIVERSAL) · airframe 2,968 hrs

MAIN ROTOR UNIVERAL HAS WORN BEARING.

Part: BEARING — WORN (MAIN ROTOR) · airframe 2,950 hrs

BEARING WEAR AND MAIN ROTOR VIBRATION.

Part: BATTERY — WEAK (MAIN) · airframe 2,845 hrs

WEAK. SCRAPPED AND REPLACED WITH SERVICEABLE PART.

Part: BLEED VALVE — FAILED (ENGINE) · airframe 2,810 hrs

HIGH TOT. REPLACED WITH SERVICEABLE BLEED VALVE.

Part: BLEED VALVE — FAILED (ENGINE) · airframe 2,815 hrs

FAILED POWER ASSURANCE CHECK. REPLACED WITH SERVICEABLE BLEED VALVE.

Part: SEAL — LEAKING (TAIL ROTOR) · airframe 2,628 hrs

TAIL ROTOR SEAL LEAKING.

Part: TUBE — CRACKED (FUEL SYSTEM) · airframe 2,914 hrs

FUEL TUBE SLEEVE CRACKED.

Part: DISC PACK — CRACKED (TAIL ROTOR) · airframe 2,914 hrs

TAIL ROTOR DISC PACK CRACKED.

Part: DUCT — CRACKED (EXHAUST) · airframe 2,914 hrs

EXHAUST DUCT CRACKED.

Part: BRAKE — WORN (ROTOR) · airframe 2,821 hrs

ROTOR BRAKE HAS EXCESSIVE HOUSING WEAR.

Part: IDLER ASSY — WORN (M/R CONTROL) · airframe 2,733 hrs

MAIN ROTOR IDLER ASSY HAS A WORN BEARING.

Part: DISC PACK — CRACKED (TAIL ROTOR) · airframe 2,810 hrs

TAIL ROTOR DRIVE DISC PACK IS CRACKED.

Part: CONE SET — WORN (FREEWHEEL UNIT) · airframe 2,810 hrs

FREEWHEEL UNIT CONE SET IS WORN.

Part: BEARING — DAMAGED (COOLER BLOWER) · airframe 2,725 hrs

MAIN ROTOR OIL COOLER BLOWER BEARING GREASE TURNED BLACK.

Part: DOOR — CORRODED (PAX/CREW) · airframe 2,614 hrs

CORRODED AROUND BOTH LATCHES.

Part: PRESSURE SWITCH — FAILED (TRANSMISSION OIL) · airframe 2,599 hrs

TRANSMISSION OIL PRESSURE LIGHT DOESN'T COME ON DURING SHUT DOWN.

Part: BRUSHES — WORN (STARTER GEN) · airframe 2,581 hrs

STARTER GENERATOR HAS WORN BRUSHES.

Part: HOUSING — CRACKED (BLOWER) · airframe 2,581 hrs

BLOWER HOUSING CRACKED.

Part: DISC PACK — CRACKED (T/R DRIVE) · airframe 2,551 hrs

DISC PACK CRACKED.

Part: PRESSURE SWITCH — FAILED (BOOST PUMP) · airframe 2,466 hrs

LEFT BOOST PUMP LIGHT DOESN'T ILLUMINATE WHEN SWITCH IS IN OFF POSITION.

Part: SPRING — SEPARATED (MAIN ROTOR) · airframe 2,485 hrs

SPRING HAS SEPARATION.

Part: FREEWHEEL UNIT — LEAKING (MAIN ROTOR) · airframe 2,485 hrs

LEAKING AT FRONT SEAL. .

Part: TRANSMITTER — FAILED (ENGINE OIL) · airframe 2,452 hrs

ENGINE PRESSURE DROPPED TO ZERO. SENT TO BELL HELICOPTER TEXTRON FOR CREDIT AGAINST REPLACEMENT PART PURCHASED. REFERENCE: DMR#720488.

Part: INDICATOR — FAILED (ENG OIL TEMP) · airframe 2,455 hrs

WILL GO TO ZERO INTERMITTENTLY.

Part: COVER — TORN (FLOAT)

TORN END COVER.

Part: TRANSMITTER — MALFUNCTIONED (ENGINE OIL) · airframe 2,452 hrs

ENGINE PRESSURE DROPPED TO ZERO.

Part: UNIVERSAL JOINT — WORN (MAIN ROTOR) · airframe 2,436 hrs

UNIVERSAL WORN.

Part: PRESSURE SWITCH — MALFUNCTIONED (ENGINE) · airframe 2,338 hrs

LT TRANSFER PUMP LIGHT DOES NOT ILLUMINATE WITH A/C POWER ON AND PUMP OFF. TO BE RETURNED TO VENDOR.

Part: HMU — NOISY (ENGINE) · airframe 2,319 hrs

LOUD HUMMING NOISE IN ENGINE COMPARTMENT WITH BOOST PUMPS ON. REPLACED WITH SERVICEABLE PART.

Part: PRESSURE SWITCH — MALFUNCTIONED (ENGINE) · airframe 2,338 hrs

RT PUMP LIGHT DOES NOT ILLUMINATE WITH A/C POWER ON AND PUMP OFF. TO BE RETURNED TO VENDOR.

Part: INDICATOR — MALFUNCTIONED (ENGINE OIL) · airframe 2,319 hrs

WHEN GAUGE GETS HOT (4 TO 6 MIN) ENG OIL PRESSURE GOES TO ZERO.

Part: LINK — WORN (TAIL ROTOR)

LINK ASSEMBLY HAS WORN BEARINGS.

Part: GEARBOX — LEAKING (TAIL ROTOR)

TAIL ROTOR GEARBOX LEAKING.

Part: HUB — DAMAGED (TAIL ROTOR)

FEATHERING BEARINGS WORN AND TEFLON COMING OUT FROM AROUND BEARING.

Part: PANEL — CRACKED (CREW DOOR)

COLLECTIVE PANEL CRACKED. PART SCRAPPED.

Part: LINK — WORN (TAIL ROTOR)

LINK HAD WORN BEARING.

Part: LINK — WORN (TAIL ROTOR)

LINK HAD WORN BEARING.

Part: SWITCH — FAILED (FUEL SYSTEM)

FUEL LOW LIGHT WILL NOT GO OUT.

Part: PRESSURE SWITCH — MALFUNCTIONED (ENGINE)

RIGHT TRANSFER LIGHT WILL NOT COME ON.

Part: DISC PACK — CRAKED (T/R DRIVE)

DISC PACK CRACKED.

Part: POWER SUPPLY — INOPERATIVE (STROBE)

POWER SUPPLY INOPERATIVE.

Part: BEARING — WORN (TAIL ROTOR)

BEARINGS WORN.

Part: BIPOD MOUNT — WORN (ENGINE)

BIPOD MOUNT HAD WORN BEARING.

Part: BRUSHES — WORN (STARTER/GEN)

STARTER/GENERATOR FAILED 300 HOUR INSPECTION. BRUSHES WORN.

Part: TRANSCEIVER — MALFUNCTIONED (VHF COMM)

TRANSCEIVER LOST POWER IN-FLIGHT AND BECAME VERY HOT WHEN UNIT CAME BACK ON-LINE. PERFORMED PRELIMINARY INSPECTION AND FOUND UNIT DRAWING EXCESSIVE CURRENT AND NO DISPLAY. FOUND Q507 VERY HOT. REPLACED Q507. CURRENT DRAW WAS LESS BUT STILL HIGH. REPLACED T501, Q505, AND Q506. NOT REPAIRED.

Part: LINK — WORN (TAIL ROTOR)

LINK HAD WORN BEARINGS. SERIAL NUMBERS REMOVED ARE NHFS-3225 AND NHFS-3288. DMR NR 686263. REPLACED WITH SERIAL NUMBERS NHFS-4384 AND NHFS-4412.

Part: LINK ASSEMBLY — FROZEN (TAIL ROTOR)

BEARING FROZEN ON LINK ASSY. REFERENCE: DMR NR 686265.

Part: TRANSCEIVER — FAILED (VHF COMM)

STAND-BY SIDE WILL NOT RETAIN FREQUENCY MEMORY.

Part: SIGNAL COND — MALFUNCTIONED (ENGINE)

FUEL LOW LIGHT WILL NOT EXTINGUISH.

Part: BRUSHES — WORN (START/GENERATOR)

STARTER/GENERATOR BRUSHES WERE EXCESSIVELY WORN.

Part: SHAFT — WORN (TAIL ROTOR)

TAIL ROTOR DRIVE SHAFT HAS WORN BEARINGS.

Part: BEARING — MISMANUFACTURED (TAIL ROTOR)

UNABLE TO BALANCE O/C FAN SHAFT ASSY FLYWHEEL BELOW 3 IPS. CLEANED BEARINGS WITH DRY RAG TO REMOVE EXCESS GREASE. RE-INSTALLED BEARINGS TO SHAFT. UPON PURGING BEARINGS WITH ROYCO 13 GREASE, WATER WAS NOTICED SQUIRTING FROM SEAL AREA ON BEARINGS. SERIAL NUMBERS REMOVED ARE K98-0775 AND J98-1859.

Part: INDICATOR — MALFUNCTIONED (FUEL PRESSURE)

FUEL PRESSURE TRANSMISSION INDICATOR INDICATES 5 POUNDS ALL THE TIME EVEN WHEN PUMP IS SECURE.

Part: THERMOVALVE — MALFUNCTIONED (OIL TEMP)

ENGINE OIL TEMPERATURE OVER 100 DEGREES.

Part: UNIVERSAL — WORN (COLLECTIVE)

UNIVERSAL HAS WORN BEARING.

Part: BEARING — WORN (BIPOD MOUNT)

BIPOD MOUNT HAS WORN BEARINGS.

Part: UNIVERSAL — WORN (M/R DRIVE)

EXCESSIVE PLAY IN ONE POSITION ONLY.

Part: UNIVERSAL — WORN (M/R DRIVE)

EXCESSIVE PLAY IN ONE POSITION ONLY.