N491PH
Operators of this aircraft
Who operated this tail, and how firmly we know it.
| Operator | Role | Period | Basis |
|---|---|---|---|
| PHI AVIATION, LLC (HEEA) | Certificate holder | — | Matched by certificate designator |
Accident & incident history
No NTSB accidents or incidents on file for this aircraft.
Maintenance disclosures
AIRCRAFT WOULD NOT ROLL DOWN TO IDLE. REMOVED AND REPLACED BROKEN THROTTLE CONTROL CABLE.
ENGINE REMOVED 9-2-16 TO UPGRADE NR 5 BEARING AND TURBINE OVERHAUL. NR 5 BEARING EXHIBITED SPALLING AT OUTER RACE SPLIT. REPLACED BEARING.
NR 5 BEARING REMOVED DUE TO PROBABLE SPALLING AT OUTER RACE SPLIT.
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.
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.
WINDSHIELD CRAZED.
DISSENGAGE PINS WILL NOT DISSENGAGE FOR HEADREST ADJUSTMENT. REPLACED WITH SERVICEABLE PART.
CREW DOOR WINDOW CRAZED BEYOND LIMITS. REPLACED WITH SERVICEABLE PART.
PAX DOOR WINDOW IS CRAZED BEYOND LIMITS. REPLACED WITH SERVICEABLE PART.
LITTER DOOR WINDOW IS CRAZED BEYOND LIMITS. REPLACED WITH SERVICEABLE PART.
ENGINE MOUNT BOLT CORRODED DUE TO INADEQUATE PROTECTION DURING MFG PROCESS. REPLACED WITH SERVICEABLE PART.
LEFT CHIN BUBBLE CRAZED BEYOND LIMITS. REPLACED WITH SERVICEABLE PART.
MAIN ROTOR CONTROL IDLER ASSY HAS BEARINGS RATCHETY. REPLACED WITH SERVICEABLE PART.
MAIN ROTOR IDLER ASSY BEARING OUTER RACE TURNING IN IDLER. REPLACED WITH SERVICEABLE PART.
CRAZED BEYOND LIMITS. REPLACED WITH SERVICEABLE PART.
LITTER DOOR WINDOW IS CRAZED BEYOND LIMITS. REPLACED WITH SERVICEABLE PART.
RIGHT CHIN BUBBLE CRAZED BEYOND LIMITS. REPLACED WITH SERVICEABLE PART.
COCKPIT WINDOW CRAZED. REPLACED WITH SERVICEABLE PART.
MAIN ROTOR HEAD LOWER CONE HAS TEFLON COATING PEELING OFF OF INNER RACE. REPLACED WITH SERVICEABLE PART.
CORROSION DAMAGED BEYOND LIMITS DUE TO INADEQUATE PROTECTION DURING MFG PROCESS. REPLACED WITH SERVICEABLE PART.
ENGINE MOUNT LEG ASSY HAS A HOLE WALLED OUT OF LIMITS. REPLACED WITH SERVICEABLE PART.
ENGINE BIPOD MOUNT HAS WORN BEARINGS. REPLACED WITH SERVICEABLE PART.
MLG CROSSTUBE T-BOLT WORN. REPLACED WITH SERVICEABLE PART.
STATIC LINE HAS DEVELOPMENT OF CORROSION DUE TO TREATMENT USED DURING MANUFACTURE PROCESS. REPLACED TUBE.
PITOT LINE HAS DEVELOPMENT OF CORROSION DUE TO TREATMENT USED DURING MANUFACTURE PROCESS. REPLACED TUBE.
STATIC LINE HAS DEVELOPMENT OF CORROSION DUE TO TREATMENT USED DURING MANUFACTURE PROCESS. REPLACED TUBE.
STATIC LINE HAS DEVELOPMENT OF CORROSION DUE TO TREATMENT USED DURING MANUFACTURE PROCESS. REPLACED TUBE.
INTAKE COWLING DOOR IS CORRODED AND CHAFED BEYOND LIMITS. REPLACED WITH SERVICEABLE PART.
WINDSHIELD CRAZED. REPLACED WITH SERVICEABLE PART.
HYDRAULIC LINE HAS DEVELOPMENT OF CORROSION UNDER SLEEVE DUE TO DISSIMILAR METALS USED DURING MANUFACTURE PROCESS. REPLACED WITH SERVICEABLE PART.
HYDRAULIC LINE HAS DEVELOPMENT OF CORROSION UNDER SLEEVE DUE TO DISSIMILAR METALS USED DURING MANUFACTURE PROCESS. REPLACED WITH SERVICEABLE PART.
HYD LINE HAS DEVELOPMENT OF CORROSION UNDER SLEEVE DUE TO DISSIMILAR METALS USED DURING MANUFACTURE PROCESS. REPLACED WITH SERVICEABLE PART.
MAIN ROTOR GEARBOX OIL TUBE HAS CORROSION FOUND UNDER ADEL CLAMP NOT VISIBLE UNTIL REMOVED. REPLACED WITH SERVICEABLE PART.
MAIN ROTOR GEARBOX OIL TUBE HAS CORROSION FOUND UNDER ADEL CLAMP NOT VISIBLE UNTIL REMOVED. REPLACED WITH SERVICEABLE PART.
WINDSHIELD CRAZED. REPLACED WITH SERVICEABLE PART.
FUEL SYSTEM TUBE HAS CORROSION PITTING UNDER SLEEVE DUE TO IMPROPER PROTECTION DURING MANUFACTURING PROCESS. REPLACED WITH SERVICEABLE PART.
FAILED 6 MONTH INSPECTION. TO BE SENT TO VENDOR FOR REPAIR.
CORRODED UNDER HEAT SHRINK, UNABLE TO DETECT UNTIL REMOVED.
LOW CYCLIC FRICTION - COULD NOT ADJUST DUE TO WORN THREADS. SCRAPPED.
LOW CYCLIC FRICTION - COULD NOT ADJUST DUE TO WORN THREADS. SCRAPPED.
DELAYED LIGHT OFF. REPLACED IGNITER.
DELAYED STARTS. IGNITER BURNED. REPLACED IGNITER.
ENGINE LIGHT OFF LATE. IGNITER HAS CARBON BUILD UP. REPLACED IGNITER.
BLADE BOLT SURFACE COATING ERODING AT SHANK END. SERIAL NUMBERS REMOVED ARE A-FS5891, A-FS5925 AND A-FS5927. TO BE SENT TO MFG.
WORN PIVOT BORE. TO BE SENT TO BELL HELICOPTER.
GIMBAL RING, CORRODED. TO BE SENT TO MFG.
WORN AND PITTED. TO BE SENT TO MFG.
HEADREST WILL NOT ADJUST. REPLACED WITH SERVICEABLE PART.
HEADREST WILL NOT ADJUST. REPLACED WITH SERVICEABLE PART.
MAIN ROTOR CONTROL COVER CRACKED.
STORAGE BIN CRACKED.
SEAT BELT WORN. REPLACED WITH SERVICEABLE PART.
RESTRAINT WORN. REPLACED WITH SERVICEABLE PART.
MLG CROSSTUBE CORRODED. REPLACED WITH SERVICEABLE PART.
RESTRAINT WORN. REPLACED WITH SERVICEABLE PART.
RESTRAINT WORN. REPLACED WITH SERVICEABLE PART.
MAIN ROTOR UNIVERAL WORN.
BLEED VALVE PRODUCING HIGH MGT AT CRUISE. REPLACED.
FLOAT COVER ASSY TORN. TO BE SENT TO VENDOR.
LOW CYCLIC FRICTION - COULD NOT ADJUST FRICTION DUE TO WORN THREADS. TO BE SENT TO MFG.
DRAIN TUBE HAS CORROSION CAUSED BY DISSIMILAR METALS USED IN MANUFACTURING PROCESS. REPLACED WITH SERVICEABLE PART.
CORROSION CAUSED BY DISSIMILAR METALS USED IN MANUFACTURING PROCESS. REPLACED WITH SERVICEABLE PART.
MAIN ROTOR GEARBOX OIL TUBE HAS CORROSION CAUSED BY DISSIMILAR METALS USED IN MANUFACTURING PROCESS. REPLACED WITH SERVICEABLE PART.
COMPASS OSCILLLATES DURING COMPASS SWING 5-10 DEGREES. TO BE SENT TO VENDOR FOR REPAIR.
ROTOR BRAKE CALIPER WORN AND WEAK.
ROTOR BRAKE CALIPER WORN AND WEAK.
MAIN ROTOR UNIVERSAL HAS BEARING WEAR.
TAIL ROTOR ADAPTER HAS WORN SPLINES.
HYD PUMP HAS WORN SPLINES.
IGNITER FAILED TO START. REPLACED WITH SERVICEABLE PART.
A/C FAILED TO START. REPLACED WITH SERVICEABLE IGNITER BOX.
EMERGENCY FLOAT FUSIBLE PLUG LEAKING.
FUEL HOSE ASSY PROTECTIVE COVERING IS CHAFED THROUGH.
CARTRIDGE DOES NOT OPERATE WITH POWER APPLIED. TO BE SENT TO VENDOR FOR REPAIR.
MAIN ROTOR SWASHPLATE HAS GREASE LEAKING THROUGH UPPER SEAL.
DISPLAY COVER MISSING. PERFORMED PRELIMINARY INSPECTION AND REPLACED BAD DISPLAY LENS. REPAIRED. REALIGNED BUTTONS AND FACEPLATE. BENCH CHECK GOOD.
EMERGENCY FLOAT COVER TORN.
WORN BUSHINGS.
MAIN ROTOR LINK HAS WORN BUSHINGS.
WORN BUSHING.
WOULD NOT TRANSMIT. PERFORMED PRELIMINARY INSPECTION, FOUND V101 BAD, AND R477 BAD. REPLACED. REPAIRED. ADJUSTED TO SPECS. BENCH CHECK GOOD.
WORN BEARING.
TAIL ROTOR LINK HAS A WORN BEARING.
CHAFING ON FUEL NOZZLE. REPLACED WITH SERVICEABLE PART.
COMBUSTION LINER CRACKED AT FUEL NOZZLE MOUNT BOSS.
MAIN ROTOR SUPPORT BEARING WORN.
EMERGENCY FLOAT COVER HAS FORWARD END FLAP WORN.
TRANSMISSION SEAL IS LEAKING.
MAIN ROTOR MOUNT HAS RUBBER SEPARATION.
MAIN ROTOR FREEWHEEL UNIT SHAFT HAS WORN SPLINES.
TAIL ROTOR SPLINE ADAPTER SHAFT ASSY WORN. SCRAPPED IN HOUSE.
UPPER LANDING LIGHT WOULD NOT SHUT OFF. RELAY FAILED.
SWASHPLATE GREASE LEAKING FROM UPPER SEAL.
MAIN ROTOR MAST IS LEAKING.
TAIL ROTOR YOKE HAS A CLICKING BEARING.
CLOCK SELECT FUNCTION INOPERATIVE.
SENDING IN FOR EVALUATION DUE TO CORROSION FOUND ON MAIN ROTOR HUB.
FLOAT COVER ASSY WORN.
FLOAT COVER ASSY WORN.
FLOAT COVER END CAP WORN.
SWITCH STICKING, INACCURATE READINGS TO GAUGE.
RIGHT FUEL BOOST PUMP LIGHT DOES NOT COME ON WHEN CIRCUIT BREAKER SWITCH IS TURNED OFF.
SEAT BELT HAS FRAYED ENDS.
TRANSMISSION OIL PRESSURE CAUTION LIGHT CAME ON.
NG INDICATOR SHOWS EXCEEDANCE, CANNOT CLEAR.
INTERMITTENTLY STICKING. LIGHT WILL NOT COME ON AFTER SHUTDOWN.
WORN BEARING.
BEARING WORN.
BEARING ROUGH.
END COVERS COMING UNSEWN.
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).
DRIVE SPLINES WORN.
FLOAT BAG SOLENOID VALVE LEAKING.
UNABLE TO SEAT FILLER VALVE.
FLOAT BAG SOLENOID VALVE IS LEAKING.
TAIL ROTOR DRIVESHAFT BEARING ROUGH.
OIL COOLER BLOWER HAS ROUGH BEARINGS.
VALVE VENTING. COULD NOT SERVICE WITH NITROGEN.
VALVE VENTING. COULD NOT SERVICE WITH NITROGEN.
BEARING WORN. TO BE RETURNED TO VENDOR.
WORN BEARING.
WORN BEARING IN ENGINE MOUNT.
MOUNT SEPARATED.
BEARING ON TAIL ROTOR DRIVESHAFT OVERHEATED.
FUEL FILTER LIGHT STAYS ON.
REPLACED WITH NEW ALTIMETER FROM BELL HELICOPTER. (X)