N510PH
Operators of this aircraft
Who operated this tail, and how firmly we know it.
No operator established for this aircraft.
Accident & incident history
No NTSB accidents or incidents on file for this aircraft.
Maintenance disclosures
Service Difficulty Reports filed with the FAA for this airframe. Filing is largely voluntary — the number of reports is not a measure of reliability. To verify a report, search its control number at the FAA SDRS site.
108 reports on file, 1998-03-17 – 2005-04-19.
Part: ENGINE — NOISY · airframe 4,504 hrs
UPON DESCENT, CREW NOTICED UNUSUAL NOISES COMING FROM THE ENGINE COMPARTMENT. ENTERED A POWER-ON AUTO ROTATIONAL PROFILE AND LANDED IN A NEARBY FIELD. MAINTENANCE REPORTS, ENGINE HAS A NOISE AT FULL THROTTLE, FLAT PITCH, THAT WILL INCREASE IN INTENSITY WHEN TORQUE IS APPLIED AND LOUDEST JUST AFT OF THE EXHAUST COLLECTOR. THE NOISE WAS DESCRIBED AS A HIGH PITCH GROWL TYPE SOUND THAT OSCILLATES. THE CREW IN THE AFT CABIN HAD FIRST THOUGHT THE WHELAN SIREN WAS ON. REPLACED ENGINE.
Earlier reports · 1998–2003 · 107 reports
2003
Part: HEATER — CRACKED (CABIN)
HEATER SHROUD CRACKED AND PIECES MISSING.
Part: WINDSHIELD — CRAZED (COCKPIT)
WINDSHIELD CRAZED.
Part: WINDSHIELD — CRAZED (COCKPIT)
WINDSHIELD CRAZED.
Part: WASHER — DEBONDED (BELLCRANK) · airframe 3,941 hrs
BUFFER WASHER DISBONDED. TO BE SENT TO MFG.
Part: CONNECTOR — CORRODED (COCKPIT) · airframe 3,967 hrs
DECK CONNECTOR CORRODED.
Part: BOLT — ELONGATED (BELLCRANK) · airframe 3,931 hrs
LONG TUBE BOLT HOLE OUT OF ROUND. TO BE SENT TO MFG.
Part: BEARING — WORN (T/R HUB) · airframe 3,931 hrs
WORN FLAPPING BEARINGS. REPAIRED.
Part: PANEL — CRACKED (DOOR TRIM) · airframe 3,969 hrs
CREW DOOR TRIM PANEL CRACKED.
Part: DRIVE GEAR — CORRODED (T/R GEARBOX) · airframe 3,931 hrs
CORROSION ON T/R HUB DRIVE SPLINES.
Part: BEARING — WORN (LINK) · airframe 3,931 hrs
MAIN ROTOR PITCH LINK BEARING FROZEN.
Part: HMU — LEAKING (ENGINE) · airframe 3,942 hrs
FUEL LEAKING FROM SHAFT SEAL DRAIN ON HMU.
Part: RECEIVER — STICKING (GPS) · airframe 3,911 hrs
PUSH BUTTONS STICKING. CLEANED ALL BUTTONS AND REPLACED CALC AND APT/VOR SWITCHES. REPAIRED. ALSO REPLACED BAD LENS AND SELECTOR KNOB. BENCH CHECK GOOD.
Part: CONTACTOR — FAILED (ELECTRICAL) · airframe 3,565 hrs
ENGINE DEGRADE LIGHT.
Part: STATIC VENT — MALFUNCTIONED (PITOT STATIC SYS) · airframe 3,835 hrs
RT STATIC VENT HEATING ELEMENT DOES NOT WORK.
Part: PANEL — CRACKED (INTERIOR) · airframe 3,676 hrs
INTERIOR PANEL CRACKED.
Part: HEADLINER — CRACKED (CABIN) · airframe 3,745 hrs
HEADLINER CRACKED.
Part: PANEL — CRACKED (INTERIOR) · airframe 3,745 hrs
INTERIOR PANEL CRACKED.
Part: STRUCTURE — CRACKED (LT COLUMN) · airframe 3,676 hrs
LT COLUMN STRUCTURE CRACKED.
Part: STRUCTURE — CRACKED (HAT BIN) · airframe 3,676 hrs
HAT BIN STRUCTURE CRACKED.
Part: PANEL — CRACKED (CONTROL COLUMN) · airframe 3,745 hrs
CONTROL COLUMN PANEL CRACKED.
Part: STRUCTURE — CRACKED (STORAGE BIN) · airframe 3,813 hrs
INTERIOR STORAGE BIN STRUCTURE IS CRACKED.
Part: PANEL — CRACKED (CABIN) · airframe 3,676 hrs
INTERIOR PANEL CRACKED.
Part: PANEL — CRACKED (PAX/CREW DOOR) · airframe 3,676 hrs
PAX/CREW DOOR PANEL CRACKED.
Part: TRIM PANEL — CRACKED (INTERIOR) · airframe 3,745 hrs
INTERIOR TRIM PANEL CRACKED.
Part: PANEL — CRACKED (CABIN) · airframe 3,676 hrs
INTERIOR PANEL CRACKED.
Part: BEARING — WORN (BIPOD MOUNT) · airframe 3,578 hrs
BIPOD MOUNT HAS A WORN BEARING.
Part: EXHAUST STACK — CRACKED (ENGINE) · airframe 3,674 hrs
EXHAUST STACK CRACKED.
Part: DUCT — CRACKED (EXHAUST SYS) · airframe 3,745 hrs
EXHAUST DUCT CRACKED.
Part: UNIVERSAL — WORN (MAIN ROTOR) · airframe 3,813 hrs
MAIN ROTOR UNIVERSAL HAS BEARING WEAR.
Part: UNIVERSAL — WORN (MAIN ROTOR) · airframe 3,813 hrs
MAIN ROTOR UNIVERSAL HAS BEARING WEAR.
2002
Part: STOP — SEPARATED (MAIN ROTOR HUB) · airframe 3,400 hrs
BLUE BLADE TIP UP STOP PAD SEPARATED.
Part: HOUSING — LEAKING (T/R CONTROL) · airframe 3,413 hrs
TAIL ROTOR CONTROL HOUSING LEAKING.
Part: FUEL NOZZLE — MALFUNCTIONED (ENGINE) · airframe 3,098 hrs
DELAYED LIGHT OFF. NOZZLE FLOW RATE TESTED AT THE MINIMUM FLOW RATE AT 125 PSIG. INSPECTED NOZZLE UNDER MAGNIFICATION, CHECK OK. RE-SHIMMED TO ADJUST FUEL RATE TO A HIGHER SETTING. UNIT TESTED SATISFACTORY.
Part: PANEL — CRACKED (CREW DOOR) · airframe 3,390 hrs
CREW DOOR PANEL CRACKED.
Part: SKID — WORN (MLG) · airframe 3,389 hrs
MLG SKID TUBE WORN.
Part: PIN — WORN (MAIN ROTOR) · airframe 3,287 hrs
MAIN ROTOR PIN WORN.
Part: FUEL CAP — MISSING (FUEL CELL) · airframe 3,341 hrs
FUEL CELL CAP MISSING.
Part: SHAFT — WORN (XMSN COUPLING) · airframe 3,294 hrs
WORN SPLINES.
Part: DOOR — CORRODED (PAX/CREW) · airframe 3,362 hrs
CORROSION ON DOOR ASSY.
Part: ADAPTER — WORN (XMSN COUPLING) · airframe 3,294 hrs
TRANSMISSION/ENGINE COUPLING ADAPTER HAS WORN SPLINES.
Part: IMPELLER — BENT (T/R BLOWER) · airframe 1,504 hrs
TAIL ROTOR BLOWER IMPELLER IS BENT.
Part: HUB — NOISY (TAIL ROTOR HEAD)
CLICKING.
Part: GIMBAL RING — WORN (SWASHPLATE) · airframe 3,287 hrs
SWASHPLATE GIMBLE RING IS WORN.
Part: SWITCH — MALFUNCTIONED (FUEL SYSTEM) · airframe 3,242 hrs
MALFUNCTIONING SWITCH IS CAUSING LIGHT NOT TO GO OUT.
Part: BEARING — WORN (MOUNT) · airframe 3,287 hrs
MAIN ROTOR MOUNT HAS A WORN BEARING.
Part: TRANSDUCER — FAILED (ENGINE) · airframe 3,241 hrs
TRANSDUCER CAUSES ENGINE DECELERATION ON TAKE OFF.
Part: NEEDLE — STUCK (DUAL TACH)
"T" NEEDLE STICKS AT APPROX. 35 PERCENT.
Part: UNIVERSAL — WORN (MAIN ROTOR) · airframe 3,201 hrs
MAIN ROTOR UNIVERSAL WORN.
Part: TRANSMITTER — INOPERATIVE (TORQUE) · airframe 3,159 hrs
TORQUE TRANSMITTER INOPERATIVE.
2001
Part: PITCH LINK — WORN (TAIL ROTOR) · airframe 3,153 hrs
PITCH LINK WORN.
Part: BEARING — WORN (COOLER BLOWER) · airframe 3,125 hrs
WORN BEARING.
Part: RELAY — FAILED (COCKPIT) · airframe 3,118 hrs
CAUSES IGNITION FAULT TO APPEAR SEVERAL TIMES.
Part: WIRE — DAMAGED (FADEC) · airframe 3,114 hrs
CAUSING FADEC DEGRADE LIGHT.
Part: UNIVERSAL — WORN (MAIN ROTOR) · airframe 3,070 hrs
UNIVERSAL WORN.
Part: EXHAUST STACK — CRACKED (ENGINE) · airframe 3,095 hrs
EXHAUST STACK CRACKED.
Part: PRESSURE SWITCH — FAILED (FUEL SYSTEM) · airframe 3,035 hrs
NO LIGHT WHEN PUMP IS OFF.
Part: BEARING — WORN (TAIL ROTOR) · airframe 2,948 hrs
WORN. TO BE RETURNED TO VENDOR. (J0169320)
Part: DUCT — CRACKED (OIL COOLER) · airframe 2,877 hrs
OIL COOLER DUCT CRACKED.
Part: PRESSURE SWITCH — MALFUNCTIONED (BOOST PUMP) · airframe 2,887 hrs
BOOST PUMP LIGHT FAILED TO ILLUMINATE.
Part: SKIN — CORRODED (CREW DOOR) · airframe 2,881 hrs
CORRODED, SENDING IN FOR EVALUATION. IT HAS BEEN DETERMINED, POSSIBLE MFG DEFECT. NO PREVENTIVE MAINT BETWEEN 2 METALS.
Part: HOUSING — CRACKED (BLOWER) · airframe 2,877 hrs
TAIL ROTOR OIL COOLER BLOWER HOUSING IS CRACKED.
Part: SKIN — CORRODED (CREW DOOR) · airframe 2,881 hrs
CORRODED, SENDING IN FOR EVALUATION. IT HAS BEEN DETERMINED, POSSIBLE MFG DEFECT. NO PREVENTIVE MAINT BETWEEN 2 METALS.
Part: COOLER — LEAKING (ENGINE OIL) · airframe 2,877 hrs
COOLER LEAKING.
Part: HOUSING — CRACKED (BLOWER) · airframe 2,862 hrs
PART IS CRACKED.
Part: DUCT — CRACKED (EXHAUST) · airframe 2,862 hrs
PART IS CRACKED.
2000
Part: SEAL — LEAKING (MAIN ROTOR)
SEAL LEAKS.
Part: CARBON SEAL — LEAKING (FREE WHEEL)
CARBON SEAL LEAKING.
Part: HOSE — LEAKING (MLG)
HOSE ASSY LEAKS AT FITTING.
Part: SWITCH — FAILED (FUEL SYSTEM)
LOW LEVEL LIFT WILL NOT GO OUT.
Part: FILTER ASSY — MISMANUFACTURED (FUEL SYSTEM)
FILTER ASSY LEAKS FROM FILTER BOWL.
Part: SEAL — WORN (M/R MAST)
SEAL WORN. SCRAPPED LOCALLY.
Part: BEARING — WORN (ENGINE)
WORN BEARINGS.
Part: VALVE — LEAKING (SUMP DRAIN)
SUMP DRAIN LEAKING THROUGH VALVE.
Part: BEARING — SEPARATED (TAIL ROTOR)
ELASTOMERIC SEPARATION ON BEARING.
1999
Part: BRUSHES — WORN (STARTER/GEN)
STARTER/GENERATOR FAILED 300 HOUR INSPECTION. BRUSHES WERE EXCESSIVELY WORN.
Part: LINK — WORN (COLLECTIVE)
WORN BEARINGS.
Part: LINK — WORN (TAIL ROTOR)
LINK HAD WORN BEARING.
Part: LINE — LEAKING (MLG)
TUBE ASSY LEAKING FROM 90 DEGREE FITTING.
Part: RELAY — STICKING (AC GENERATOR)
RELAY STICKING.
Part: HOUSING — CRACKED (TAIL ROTOR)
BLOWER HOUSING CRACKED, WORKING RIVETS.
Part: INDICATOR — FAILED (DUAL TACH)
TURBINE NEEDLE FAILED.
Part: COOLER — LEAKING (ENGINE OIL)
COOLER LEAKS.
Part: MAIN CASE — WORN (GEARBOX)
INPUT BORE WORN BEYOND LIMITS.
Part: INDICATOR — FAILED (DUAL TACH)
ROTOR NEEDLE COMES ON-LINE THEN DROPS OFF.
Part: BEARING — MISMANUFACTURED (MAIN ROTOR)
SEAT HAD BLUE EPOXY COATING MISSING. REFERENCE: DMR NR 686423.
Part: DRIVE RING — MISMANUFACTURED (MAIN ROTOR)
BLUE EPOXY COATING MISSING FROM DRIVE RING SET. TOTAL RINS 4101. REFERENCE: DMR NR 686422.
Part: SEAL — PITTED (T/R GEARBOX)
SEAL PITTED. REFERENCE: DMR NR 686436.
Part: CROSSTUBE — CORRODED (MLG)
CROSSTUBE CORRODED DUE TO INADEQUATE DISSIMILAR METAL PROTECTION FROM T-BOLT CLAMP. REFERENCE: DMR NR 686354.
Part: YOKE — MISREPAIRED (MAIN ROTOR)
QUESTIONABLE REPAIR AREAS FROM VENDOR. SENT TO BELL HELICOPTER TEXTRON FOR EVALUATION AND POSSIBLE REPAIR.
Part: UNIVERSAL — WORN (M/R DRIVE)
UNIVERSAL WORN (UNSTAKED).
Part: FILTER — CLOGGED (ENGINE)
ENGINE OIL FILTER BYPASS INDICATOR EXTENDED. REPLACED WITH SERVICEABLE ASSY.
Part: SHAFT — WORN (TAIL ROTOR)
SHAFT WORN BEYOND LIMITS.
Part: BEARING — WORN (TAIL ROTOR)
TAIL ROTOR HUB AND BLADE HAVE WORN BEARINGS.
Part: GEARBOX — CORRODED (TAIL ROTOR)
CORRODED SPLINES WHERE TAIL ROTOR IS MOUNTED.
Part: SEAL — LEAKING (M/R DRIVE)
CAP SEAL LEAKING.
Part: COVER — DAMAGED (FLOAT)
FLOAT COVER HAS AFT CAP MISSING.
Part: FLOAT BAG — LEAKING (FLOAT)
FLOAT BAG LEAKING.
Part: TRANSMITTER — FAILED (TORQUE)
TORQUE TRANSMITTER MAKES GAUGE SHUT OFF.
1998
Part: FREEWHEEL UNIT — LEAKING (MAIN ROTOR)
FREEWHEEL UNIT'S FORWARD SEAL LEAKS.
Part: OIL TANK — CRACKED (ENGINE OIL)
TANKS ASSEMBLY CRACKED AT VENT FITTING.
Part: LINK — WORN (TAIL ROTOR)
WORN BEARINGS ON TAIL ROTOR LINK.
Part: LINK — WORN (TAIL ROTOR)
WORN BEARINGS ON TAIL ROTOR LINK.
Part: BRUSHES — WORN (STARTER)
FOUND STARTER WITH BRUSHES EXCESSIVELY WORN. REPAIRED BY PHI.
Part: FUSIBLE PLUG — LEAKING (FLOAT)
FLOAT PLUG LEAKING.
Part: BEARING — UNKNOWN
ROUGH BEARINGS. SERIAL NUMBERS REMOVED ARE K96-2176 AND K96-2157.
Part: PRESSURE SWITCH — FAILED (TRANSMISSION)
TRANS. PRESS CAUTION LIGHT WILL NOT ILLUMINATE.
Part: LIGHT ASSY — FAILED (COCKPIT)
LIGHT STAYS ON.