N491PH

Part: BEARING — SPALLED (ENGINE) · airframe 14,707 hrs

ENGINE REMOVED 9-2-16 TO UPGRADE NR 5 BEARING AND TURBINE OVERHAUL. NR 5 BEARING EXHIBITED SPALLING AT OUTER RACE SPLIT. REPLACED BEARING.

Part: BEARING — SPALLED (NR 5) · airframe 13,423 hrs

NR 5 BEARING REMOVED DUE TO PROBABLE SPALLING AT OUTER RACE SPLIT.

Part: BEARING — SPALLED (ENGINE) · airframe 11,986 hrs

ENGINE REMOVED ON 10-13-14 FOR TURBINE OVERHAUL. NR 5 BEARING EXHIBITS A SPALLING BALL. REPLACED BEARING. PART WILL BE RETURNED TO MFG FOR EVALUATION.

Part: SUPPORT — CORRODED (HORIZONTAL STAB) · airframe 8,274 hrs

THE SUPPORT HAS EXFOLIATING CORROSION CAUSING IT TO FAIL, ALLOWING A PORTION OF THE SLAT ASSY TO DEPART FROM THE ACFT IN FLIGHT. FOUND ONCE ACFT LANDED AT BASE STATION. REPLACED SLAT ASSEMBLY.

Part: WINDSHIELD — CRAZED (COCKPIT) · airframe 3,360 hrs

WINDSHIELD CRAZED.

Part: HEADREST — DAMAGED (COCKPIT) · airframe 3,360 hrs

DISSENGAGE PINS WILL NOT DISSENGAGE FOR HEADREST ADJUSTMENT. REPLACED WITH SERVICEABLE PART.

Part: WINDOW — CRAZED (PAX DOOR) · airframe 3,360 hrs

PAX DOOR WINDOW IS CRAZED BEYOND LIMITS. REPLACED WITH SERVICEABLE PART.

Part: BOLT — CORRODED (ENGINE MOUNT) · airframe 3,360 hrs

ENGINE MOUNT BOLT CORRODED DUE TO INADEQUATE PROTECTION DURING MFG PROCESS. REPLACED WITH SERVICEABLE PART.

Part: WINDOW — CRAZED (PAX DOOR) · airframe 3,360 hrs

LITTER DOOR WINDOW IS CRAZED BEYOND LIMITS. REPLACED WITH SERVICEABLE PART.

Part: WINDOW — CRAZED (CREW DOOR) · airframe 3,360 hrs

CREW DOOR WINDOW CRAZED BEYOND LIMITS. REPLACED WITH SERVICEABLE PART.

Part: CHIN BUBBLE — CRAZED (COCKPIT) · airframe 3,360 hrs

RIGHT CHIN BUBBLE CRAZED BEYOND LIMITS. REPLACED WITH SERVICEABLE PART.

Part: IDLER ASSY — DAMAGED (M/R CONTROL) · airframe 3,360 hrs

MAIN ROTOR IDLER ASSY BEARING OUTER RACE TURNING IN IDLER. REPLACED WITH SERVICEABLE PART.

Part: WINDOW — CRAZED (LITTER DOOR) · airframe 3,360 hrs

LITTER DOOR WINDOW IS CRAZED BEYOND LIMITS. REPLACED WITH SERVICEABLE PART.

Part: IDLER ASSY — RATCHETING (M/R CONTROL) · airframe 3,360 hrs

MAIN ROTOR CONTROL IDLER ASSY HAS BEARINGS RATCHETY. REPLACED WITH SERVICEABLE PART.

Part: CHIN BUBBLE — CRAZED (COCKPIT) · airframe 3,360 hrs

LEFT CHIN BUBBLE CRAZED BEYOND LIMITS. REPLACED WITH SERVICEABLE PART.

Part: WINDOW — CRAZED (CREW DOOR) · airframe 3,360 hrs

CRAZED BEYOND LIMITS. REPLACED WITH SERVICEABLE PART.

Part: WINDOW — CRAZED (COCKPIT) · airframe 3,360 hrs

COCKPIT WINDOW CRAZED. REPLACED WITH SERVICEABLE PART.

Part: CONE — PEELING (MAIN ROTOR) · airframe 3,360 hrs

MAIN ROTOR HEAD LOWER CONE HAS TEFLON COATING PEELING OFF OF INNER RACE. REPLACED WITH SERVICEABLE PART.

Part: LEG ASSY — WORN (ENGINE MOUNT) · airframe 3,360 hrs

ENGINE MOUNT LEG ASSY HAS A HOLE WALLED OUT OF LIMITS. REPLACED WITH SERVICEABLE PART.

Part: BEARING — WORN (BIPOD MOUNT) · airframe 3,360 hrs

ENGINE BIPOD MOUNT HAS WORN BEARINGS. REPLACED WITH SERVICEABLE PART.

Part: TUBE — CORRODED (PITCH LINK) · airframe 3,360 hrs

CORROSION DAMAGED BEYOND LIMITS DUE TO INADEQUATE PROTECTION DURING MFG PROCESS. REPLACED WITH SERVICEABLE PART.

Part: CROSSTUBE — WORN (MLG) · airframe 3,360 hrs

MLG CROSSTUBE T-BOLT WORN. REPLACED WITH SERVICEABLE PART.

Part: STATIC LINE — CORRODED (PITOT/STATIC) · airframe 3,360 hrs

STATIC LINE HAS DEVELOPMENT OF CORROSION DUE TO TREATMENT USED DURING MANUFACTURE PROCESS. REPLACED TUBE.

Part: STATIC LINE — CORRODED (STATIC/PITOT) · airframe 3,360 hrs

STATIC LINE HAS DEVELOPMENT OF CORROSION DUE TO TREATMENT USED DURING MANUFACTURE PROCESS. REPLACED TUBE.

Part: STATIC LINE — CORRODED (PITOT/STATIC SYS) · airframe 3,360 hrs

STATIC LINE HAS DEVELOPMENT OF CORROSION DUE TO TREATMENT USED DURING MANUFACTURE PROCESS. REPLACED TUBE.

Part: PITOT LINE — CORRODED (PITOT/ STATIC) · airframe 3,360 hrs

PITOT LINE HAS DEVELOPMENT OF CORROSION DUE TO TREATMENT USED DURING MANUFACTURE PROCESS. REPLACED TUBE.

Part: WINDSHIELD — CRAZED (COCKPIT) · airframe 3,360 hrs

WINDSHIELD CRAZED. REPLACED WITH SERVICEABLE PART.

Part: TUBE — CORRODED (MRGB OIL SYS) · airframe 3,360 hrs

MAIN ROTOR GEARBOX OIL TUBE HAS CORROSION FOUND UNDER ADEL CLAMP NOT VISIBLE UNTIL REMOVED. REPLACED WITH SERVICEABLE PART.

Part: TUBE — CORRODED (MRGB OIL SYS) · airframe 3,360 hrs

MAIN ROTOR GEARBOX OIL TUBE HAS CORROSION FOUND UNDER ADEL CLAMP NOT VISIBLE UNTIL REMOVED. REPLACED WITH SERVICEABLE PART.

Part: DOOR — CORRODED (INTAKE COWL) · airframe 3,360 hrs

INTAKE COWLING DOOR IS CORRODED AND CHAFED BEYOND LIMITS. REPLACED WITH SERVICEABLE PART.

Part: LINE — CORRODED (HYD SYSTEM) · airframe 3,360 hrs

HYDRAULIC LINE HAS DEVELOPMENT OF CORROSION UNDER SLEEVE DUE TO DISSIMILAR METALS USED DURING MANUFACTURE PROCESS. REPLACED WITH SERVICEABLE PART.

Part: LINE — CORRODED (HYD SYSTEM) · airframe 3,360 hrs

HYDRAULIC LINE HAS DEVELOPMENT OF CORROSION UNDER SLEEVE DUE TO DISSIMILAR METALS USED DURING MANUFACTURE PROCESS. REPLACED WITH SERVICEABLE PART.

Part: WINDSHIELD — CRAZED (COCKPIT) · airframe 3,360 hrs

WINDSHIELD CRAZED. REPLACED WITH SERVICEABLE PART.

Part: TUBE — CORRODED (FUEL SYSTEM) · airframe 3,360 hrs

FUEL SYSTEM TUBE HAS CORROSION PITTING UNDER SLEEVE DUE TO IMPROPER PROTECTION DURING MANUFACTURING PROCESS. REPLACED WITH SERVICEABLE PART.

Part: LINE — CORRODED (HYD DIST) · airframe 3,360 hrs

HYD LINE HAS DEVELOPMENT OF CORROSION UNDER SLEEVE DUE TO DISSIMILAR METALS USED DURING MANUFACTURE PROCESS. REPLACED WITH SERVICEABLE PART.

Part: NUT — WORN (CYCLIC) · airframe 3,244 hrs

LOW CYCLIC FRICTION - COULD NOT ADJUST DUE TO WORN THREADS. SCRAPPED.

Part: CASE — CORRODED (FUSELAGE) · airframe 3,360 hrs

CORRODED UNDER HEAT SHRINK, UNABLE TO DETECT UNTIL REMOVED.

Part: FLOAT — FAILED (MLG) · airframe 3,360 hrs

FAILED 6 MONTH INSPECTION. TO BE SENT TO VENDOR FOR REPAIR.

Part: IGNITER — MALFUNCTIONED (ENGINE) · airframe 3,288 hrs

DELAYED LIGHT OFF. REPLACED IGNITER.

Part: IGNITER — CONTAMINATED (ENGINE) · airframe 3,248 hrs

ENGINE LIGHT OFF LATE. IGNITER HAS CARBON BUILD UP. REPLACED IGNITER.

Part: IGNITER — BURNED (ENGINE) · airframe 3,221 hrs

DELAYED STARTS. IGNITER BURNED. REPLACED IGNITER.

Part: NUT — WORN (CYCLIC) · airframe 3,244 hrs

LOW CYCLIC FRICTION - COULD NOT ADJUST DUE TO WORN THREADS. SCRAPPED.

Part: PIN — WORN (MAIN ROTOR) · airframe 3,360 hrs

WORN AND PITTED. TO BE SENT TO MFG.

Part: BUSHING — WORN (MAIN ROTOR) · airframe 3,360 hrs

WORN PIVOT BORE. TO BE SENT TO BELL HELICOPTER.

Part: HEADREST — OUT OF ADJUST (COCKPIT) · airframe 3,360 hrs

HEADREST WILL NOT ADJUST. REPLACED WITH SERVICEABLE PART.

Part: STRUCTURE — CRACKED (STORAGE BIN) · airframe 3,360 hrs

STORAGE BIN CRACKED.

Part: HEADREST — OUT OF ADJUST (COCKPIT) · airframe 3,360 hrs

HEADREST WILL NOT ADJUST. REPLACED WITH SERVICEABLE PART.

Part: BOLT — ERODED (BLADE) · airframe 3,360 hrs

BLADE BOLT SURFACE COATING ERODING AT SHANK END. SERIAL NUMBERS REMOVED ARE A-FS5891, A-FS5925 AND A-FS5927. TO BE SENT TO MFG.

Part: GIMBAL RING — CORRODED (MAIN ROTOR) · airframe 3,360 hrs

GIMBAL RING, CORRODED. TO BE SENT TO MFG.

Part: COVER — CRACKED (M/R CONTROL) · airframe 3,360 hrs

MAIN ROTOR CONTROL COVER CRACKED.

Part: SEAT BELT — WORN (COCKPIT) · airframe 3,360 hrs

SEAT BELT WORN. REPLACED WITH SERVICEABLE PART.

Part: CROSSTUBE — CORRODED (MLG) · airframe 3,360 hrs

MLG CROSSTUBE CORRODED. REPLACED WITH SERVICEABLE PART.

Part: RESTRAINT — WORN (COCKPIT) · airframe 3,360 hrs

RESTRAINT WORN. REPLACED WITH SERVICEABLE PART.

Part: RESTRAINT — WORN (COCKPIT) · airframe 3,360 hrs

RESTRAINT WORN. REPLACED WITH SERVICEABLE PART.

Part: RESTRAINT — WORN (COCKPIT) · airframe 3,360 hrs

RESTRAINT WORN. REPLACED WITH SERVICEABLE PART.

Part: UNIVERSAL — WORN (MAIN ROTOR) · airframe 3,315 hrs

MAIN ROTOR UNIVERAL WORN.

Part: BLEED VALVE — MALFUNCTIONED (ENGINE) · airframe 3,295 hrs

BLEED VALVE PRODUCING HIGH MGT AT CRUISE. REPLACED.

Part: COVER — TORN (FLOAT ASSY) · airframe 3,216 hrs

FLOAT COVER ASSY TORN. TO BE SENT TO VENDOR.

Part: SHAFT — DAMAGED (MAIN ROTOR) · airframe 3,244 hrs

LOW CYCLIC FRICTION - COULD NOT ADJUST FRICTION DUE TO WORN THREADS. TO BE SENT TO MFG.

Part: DRAIN LINE — CORRODED (MAIN ROTOR) · airframe 3,360 hrs

DRAIN TUBE HAS CORROSION CAUSED BY DISSIMILAR METALS USED IN MANUFACTURING PROCESS. REPLACED WITH SERVICEABLE PART.

Part: TUBE — CORRODED (MRGB OIL SYS) · airframe 3,360 hrs

MAIN ROTOR GEARBOX OIL TUBE HAS CORROSION CAUSED BY DISSIMILAR METALS USED IN MANUFACTURING PROCESS. REPLACED WITH SERVICEABLE PART.

Part: LINE — CORRODED (MRGB OIL SYS) · airframe 3,360 hrs

CORROSION CAUSED BY DISSIMILAR METALS USED IN MANUFACTURING PROCESS. REPLACED WITH SERVICEABLE PART.

Part: COMPASS — OSCILLATES (COCKPIT) · airframe 2,502 hrs

COMPASS OSCILLLATES DURING COMPASS SWING 5-10 DEGREES. TO BE SENT TO VENDOR FOR REPAIR.

Part: CALIPER — WORN (ROTOR BRAKE) · airframe 2,480 hrs

ROTOR BRAKE CALIPER WORN AND WEAK.

Part: CALIPER — WORN (ROTOR BRAKE) · airframe 2,480 hrs

ROTOR BRAKE CALIPER WORN AND WEAK.

Part: SPLINE ADAPTER — WORN (TAIL ROTOR) · airframe 2,844 hrs

TAIL ROTOR ADAPTER HAS WORN SPLINES.

Part: UNIVERSAL — WORN (MAIN ROTOR) · airframe 2,814 hrs

MAIN ROTOR UNIVERSAL HAS BEARING WEAR.

Part: SHAFT — WORN (HYD PUMP SPLINES) · airframe 2,844 hrs

HYD PUMP HAS WORN SPLINES.

Part: LEAD — FAILED (IGNITER) · airframe 3,043 hrs

IGNITER FAILED TO START. REPLACED WITH SERVICEABLE PART.

Part: IGNITER BOX — FAILED (ENGINE) · airframe 3,043 hrs

A/C FAILED TO START. REPLACED WITH SERVICEABLE IGNITER BOX.

Part: CARTRIDGE — INOPERATIVE (FUEL BOOST) · airframe 2,687 hrs

CARTRIDGE DOES NOT OPERATE WITH POWER APPLIED. TO BE SENT TO VENDOR FOR REPAIR.

Part: FUSIBLE PLUG — LEAKING (EMERGENCY FLOAT) · airframe 2,844 hrs

EMERGENCY FLOAT FUSIBLE PLUG LEAKING.

Part: HOSE — CHAFED (FUEL DIST) · airframe 2,502 hrs

FUEL HOSE ASSY PROTECTIVE COVERING IS CHAFED THROUGH.

Part: SWASHPLATE — LEAKING (MAIN ROTOR) · airframe 2,090 hrs

MAIN ROTOR SWASHPLATE HAS GREASE LEAKING THROUGH UPPER SEAL.

Part: GPS — DAMAGED (COCKPIT) · airframe 2,116 hrs

DISPLAY COVER MISSING. PERFORMED PRELIMINARY INSPECTION AND REPLACED BAD DISPLAY LENS. REPAIRED. REALIGNED BUTTONS AND FACEPLATE. BENCH CHECK GOOD.

Part: COVER — TORN (EMERGENCY FLOAT) · airframe 2,009 hrs

EMERGENCY FLOAT COVER TORN.

Part: LINK — WORN (MAIN ROTOR) · airframe 1,942 hrs

MAIN ROTOR LINK HAS WORN BUSHINGS.

Part: LEVER — WORN (MAIN ROTOR) · airframe 1,942 hrs

WORN BUSHINGS.

Part: BUSHING — WORN (IDLER) · airframe 2,004 hrs

WORN BUSHING.

Part: TRANSCEIVER — INOPERATIVE (VOR SYSTEM) · airframe 1,976 hrs

WOULD NOT TRANSMIT. PERFORMED PRELIMINARY INSPECTION, FOUND V101 BAD, AND R477 BAD. REPLACED. REPAIRED. ADJUSTED TO SPECS. BENCH CHECK GOOD.

Part: LINK — WORN (TAIL ROTOR) · airframe 1,917 hrs

TAIL ROTOR LINK HAS A WORN BEARING.

Part: LINK — WORN (TAIL ROTOR) · airframe 1,917 hrs

WORN BEARING.

Part: COMBUSTION LINER — CRACKED (ENGINE) · airframe 1,870 hrs

COMBUSTION LINER CRACKED AT FUEL NOZZLE MOUNT BOSS.

Part: LINER — CHAFED (COMPRESSOR) · airframe 1,870 hrs

CHAFING ON FUEL NOZZLE. REPLACED WITH SERVICEABLE PART.

Part: BEARING — WORN (M/R SUPPORT)

MAIN ROTOR SUPPORT BEARING WORN.

Part: COVER — WORN (EMERGENCY FLOAT) · airframe 1,870 hrs

EMERGENCY FLOAT COVER HAS FORWARD END FLAP WORN.

Part: SEAL — LEAKING (TRANSMISSION) · airframe 1,844 hrs

TRANSMISSION SEAL IS LEAKING.

Part: SHAFT — WORN (FREEWHEEL UNIT) · airframe 1,853 hrs

MAIN ROTOR FREEWHEEL UNIT SHAFT HAS WORN SPLINES.

Part: MOUNT — DAMAGED (MAIN ROTOR) · airframe 1,829 hrs

MAIN ROTOR MOUNT HAS RUBBER SEPARATION.

Part: SPLINE ADAPTER — WORN (TAIL ROTOR) · airframe 1,694 hrs

TAIL ROTOR SPLINE ADAPTER SHAFT ASSY WORN. SCRAPPED IN HOUSE.

Part: RELAY — FAILED (LANDING LIGHT) · airframe 1,732 hrs

UPPER LANDING LIGHT WOULD NOT SHUT OFF. RELAY FAILED.

Part: MAST — LEAKING (MAIN ROTOR) · airframe 1,829 hrs

MAIN ROTOR MAST IS LEAKING.

Part: SWASHPLATE — LEAKING (MAIN ROTOR) · airframe 1,829 hrs

SWASHPLATE GREASE LEAKING FROM UPPER SEAL.

Part: YOKE — DAMAGED (T/R HUB) · airframe 1,804 hrs

TAIL ROTOR YOKE HAS A CLICKING BEARING.

Part: CLOCK — INOPERATIVE (COCKPIT) · airframe 1,693 hrs

CLOCK SELECT FUNCTION INOPERATIVE.

Part: HUB — CORRODED (MAIN ROTOR) · airframe 1,636 hrs

SENDING IN FOR EVALUATION DUE TO CORROSION FOUND ON MAIN ROTOR HUB.

Part: SEAT BELT — FRAYED (COCKPIT) · airframe 1,653 hrs

SEAT BELT HAS FRAYED ENDS.

Part: COVER — WORN (FLOAT) · airframe 1,678 hrs

FLOAT COVER ASSY WORN.

Part: COVER — WORN (FLOAT) · airframe 1,678 hrs

FLOAT COVER ASSY WORN.

Part: SWITCH — STUCK (FUEL SYSTEM) · airframe 1,653 hrs

SWITCH STICKING, INACCURATE READINGS TO GAUGE.

Part: COVER — WORN (FLOAT) · airframe 1,678 hrs

FLOAT COVER END CAP WORN.

Part: PRESSURE SWITCH — FAILED (BOOST PUMP) · airframe 1,653 hrs

RIGHT FUEL BOOST PUMP LIGHT DOES NOT COME ON WHEN CIRCUIT BREAKER SWITCH IS TURNED OFF.

Part: PRESSURE SWITCH — FAILED (XMSN OIL) · airframe 1,630 hrs

TRANSMISSION OIL PRESSURE CAUTION LIGHT CAME ON.

Part: INDICATOR — MALFUNCTIONED (COCKPIT) · airframe 1,661 hrs

NG INDICATOR SHOWS EXCEEDANCE, CANNOT CLEAR.

Part: PRESSURE SWITCH — INTERMITTENT (TRANSMISSION OIL) · airframe 1,620 hrs

INTERMITTENTLY STICKING. LIGHT WILL NOT COME ON AFTER SHUTDOWN.

Part: BEARING — WORN (IDLER ASSY) · airframe 1,590 hrs

WORN BEARING.

Part: BEARING — WORN · airframe 1,550 hrs

BEARING WORN.

Part: BEARING — ROUGH (TAIL ROTOR)

ROUGH.

Part: BEARING — ROUGH (TAIL ROTOR)

BEARING ROUGH.

Part: COVER — DAMAGED (MLG FLOAT) · airframe 1,443 hrs

END COVERS COMING UNSEWN.

Part: BEARING — WORN (TAIL ROTOR HUB)

WORN ELASTOMER. TO BE SENT TO BELL HELICOPTER TEXTRON FOR CREDIT AGAINST REPLACEMENT PART PURCHASED. LABOR CREDIT ACCOMPLISHED ON J0188327-WA (INVOICE AND DMR NO. 687168).

Part: SOLENOID VALVE — FAILED (MLG) · airframe 1,452 hrs

UNABLE TO SEAT FILLER VALVE.

Part: SOLENOID VALVE — LEAKING (MLG FLOAT) · airframe 1,452 hrs

FLOAT BAG SOLENOID VALVE LEAKING.

Part: PUMP — DAMAGED (HYD SYSTEM) · airframe 1,452 hrs

DRIVE SPLINES WORN.

Part: SOLENOID VALVE — LEAKING (FLOAT BAG) · airframe 1,452 hrs

FLOAT BAG SOLENOID VALVE IS LEAKING.

Part: BEARING — ROUGH (COOLER BLOWER)

OIL COOLER BLOWER HAS ROUGH BEARINGS.

Part: BEARING — ROUGH (T/R DRIVESHAFT)

TAIL ROTOR DRIVESHAFT BEARING ROUGH.

Part: BOTTLE — DISCHARGED (FLOAT BAG) · airframe 1,452 hrs

VALVE VENTING. COULD NOT SERVICE WITH NITROGEN.

Part: BOTTLE — DISCHARGED (FLOAT BAG) · airframe 1,452 hrs

VALVE VENTING. COULD NOT SERVICE WITH NITROGEN.

Part: UNIVERSAL JOINT — WORN (M/R PITCH CHANGE) · airframe 1,201 hrs

BEARING WORN. TO BE RETURNED TO VENDOR.

Part: UNIVERSAL JOINT — WORN (TAIL ROTOR) · airframe 1,154 hrs

WORN BEARING.

Part: MOUNT — WORN (ENGINE) · airframe 1,002 hrs

WORN BEARING IN ENGINE MOUNT.

Part: MOUNT — SEPARATED (MAIN ROTOR) · airframe 991 hrs

MOUNT SEPARATED.

Part: BEARING — OVERHEATED (T/R DRIVESHAFT) · airframe 974 hrs

BEARING ON TAIL ROTOR DRIVESHAFT OVERHEATED.

Part: FUEL FILTER — DEFECTIVE (FUEL SYSTEM)

FUEL FILTER LIGHT STAYS ON.

Part: ALTIMETER — FAULTY

REPLACED WITH NEW ALTIMETER FROM BELL HELICOPTER. (X)