N720PH
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.
99 reports on file, 1998-09-04 – 2016-07-28.
Part: STRUCTURE — CORRODED · airframe 7,312 hrs
INNER SKIN OF FORWARD LOWER SHELL ASSEMBLY WAS FOUND TO BE CORRODED ADJACENT TO FIVE OEM POTTED INSERTS USED TO SECURE PILOT HEEL RESTS. REPAIRED IAW REPAIR DATA.
Earlier reports · 1998–2003 · 98 reports
2003
Part: LINE — CORRODED (NR 1 BEARING) · airframe 3,257 hrs
NR 1 BEARING PRESSURE LINE RUSTED AND CRACKED. REPLACED TUBE ASSY.
Part: PANEL — CRACKED (SEAT) · airframe 3,253 hrs
SEAT PANEL CRACKED.
Part: COVER — CRACKED (COLLECTIVE) · airframe 3,253 hrs
COLLECTIVE COVER CRACKED. REPLACED.
Part: TRIM PANEL — CRACKED (FUSELAGE) · airframe 3,253 hrs
TRIM PANEL CRACKED.
Part: PANEL — CRACKED (SEAT) · airframe 3,253 hrs
SEAT PANEL CRACKED.
Part: PANEL — CRACKED (CREW DOOR) · airframe 3,253 hrs
CREW DOOR PANEL CRACKED.
Part: PANEL — CRACKED (CREW DOOR) · airframe 3,253 hrs
CREW DOOR PANEL CRACKED.
Part: PANEL — CRACKED (FUSELAGE) · airframe 3,246 hrs
TRIM PANEL CRACKED.
Part: CAP — LEAKING (FUEL CELL) · airframe 3,260 hrs
FUEL LEAKING FROM AROUND CAP. TO BE SENT TO MFG FOR CREDIT.
Part: DISC PACK — CRACKED (TAIL ROTOR) · airframe 3,115 hrs
TAIL ROTOR DISC PACK CRACKED.
Part: TRANSPONDER — DAMAGED (ATC SYS) · airframe 3,155 hrs
TRANSPONDER KNOB BROKEN. FOUND FACEPLATE ASSY AND CATHODE PULSE OSCILLATOR V101 BAD. REPLACED. BENCH CHECK GOOD.
2002
Part: BEARING — WORN (MAIN ROTOR)
MAIN ROTOR BEARING WORN.
Part: LINK — CORRODED (MAIN ROTOR) · airframe 2,886 hrs
MAIN ROTOR LINK ASSY WORN AND CORRODED.
Part: LEVER — CORRODED (MAIN ROTOR) · airframe 2,836 hrs
MAIN ROTOR LEVER ASSY HAS CORROSION.
Part: BUSHING — CORRODED (HUB SET) · airframe 2,886 hrs
HUB SET BUSHING WORN AND CORRODED.
Part: WINDOW — BROKEN (LT DOOR) · airframe 2,613 hrs
LT FWD DOOR SLIDING WINDOW BROKEN. SCRAPPED AND REPLACED WITH SERVICEABLE PART.
Part: PANEL — CRACKED (CREW DOOR) · airframe 2,689 hrs
R/H CREW DOOR TRIM PANEL CRACKED. SCRAPPED AND REPLACED WITH SERVICEABLE PANEL.
Part: PANEL — CRACKED (CREW DOOR) · airframe 2,689 hrs
LT CREW DOOR TRIM PANEL CRACKED. SCRAPPED AND REPLACED WITH SERVICEABLE PANEL.
Part: PANEL — CRACKED (CREW DOOR) · airframe 2,689 hrs
LT AFT DOOR TRIM PANEL CRACKED. SCRAPPED AND REPLACED WITH SERVICEABLE PANEL.
Part: CROSSTUBE — CORRODED (MLG) · airframe 2,862 hrs
CORROSION ON AFT CROSSTUBE.
Part: PRESSURE SWITCH — INOPERATIVE (FUEL BOOST) · airframe 2,842 hrs
FUEL BOOST PRESSURE SWITCH INOPERATIVE.
Part: NOZZLE — FAILED (ENGINE) · airframe 2,851 hrs
N1, TOT, AND TORQUE OSCILLATION AFTER 20 MINUTES OF FLIGHT. REPLACED WITH SERVICEABLE UNIT.
Part: INDICATOR — MALFUNCTIONED (ENGINE NG) · airframe 2,836 hrs
NG INDICATOR WILL NOT DISPLAY RPM BUT WILL TEST.
Part: BLADE — CRACKED (TAIL ROTOR) · airframe 2,815 hrs
BLADE HAS CRACK IN ROOT END, INTERIOR OF LEADING EDGE.
Part: BRUSHES — WORN (STARTER GEN) · airframe 2,813 hrs
STARTER GEN HAS BRUSHES WORN, BRUSH PIGTAILS HAVE BROKEN STRANDS, ONE FAN COVER SCREW HEAD CORRODED OFF.
Part: BEARING — WORN (IDLER ASSY) · airframe 2,836 hrs
IDLER ASSY HAS BEARINGS WORN.
Part: BLEED VALVE — MALFUNCTIONED (ENGINE) · airframe 2,817 hrs
ENGINE POWER OSCILLATIONS AT HIGH POWER SETTINGS. REPLACED WITH SERVICEABLE BLEED VALVE.
Part: INDICATOR — FAILED (NG) · airframe 2,743 hrs
INDICATOR BLINKS OFF.
Part: BRAKE — WORN (MAIN ROTOR) · airframe 2,740 hrs
MAIN ROTOR BRAKE HAS EXCESSIVE PISTON WEAR IN HOUSING.
Part: SEAL — LEAKING (M/R GEARBOX) · airframe 2,740 hrs
MAIN ROTOR GEARBOX SEAL IS LEAKING.
Part: LINK — WORN (TAIL ROTOR) · airframe 2,720 hrs
WORN BEARINGS.
Part: INDICATOR — MALFUNCTIONED (ENG NG) · airframe 2,729 hrs
ENGINE NG TACH INTERNAL LIGHTING EXTREMELY DIM. DIFFICULT TO READ.
Part: BEARING — WORN (TAIL ROTOR) · airframe 2,740 hrs
TAIL ROTOR HUB HAS WORN FEATHERING BEARINGS.
Part: SHAFT — WORN (COOLER BLOWER) · airframe 2,740 hrs
OIL COOLER BLOWER HAS SPLINE WEAR.
Part: SIGNAL COND UNIT — FAILED (FUEL QTY IND) · airframe 2,740 hrs
SIGNAL CONDITION UNIT CAUSED FUEL QUANTITY INDICATOR TO BLANK OUT.
2001
Part: SWASHPLATE — DAMAGED (MAIN ROTOR)
SWASHPLATE SEAL SPINNING IN CAP.
Part: INDICATOR — INOPERATIVE (TORQUE) · airframe 2,598 hrs
NO INDICATION ON GAUGE. IT WILL NOT TEST.
Part: DUCT — CRACKED (EXHAUST) · airframe 2,625 hrs
EXHAUST DUCT CRACKED.
Part: BRUSHES — WORN (STARTER GEN) · airframe 2,523 hrs
BRUSHES WORN.
Part: GAUGE — CONTAMINATED (FLOAT PRESSURE) · airframe 2,623 hrs
WATER IN GAUGE.
Part: UNIVERSAL JOINT — WORN (MAIN ROTOR) · airframe 2,554 hrs
WORN BEYOND LIMITS. SENT TO BELL HELICOPTER TEXTRON FOR CREDIT AGAINST REPLACEMENT PART PURCHASED. REFERENCE: DMR#71908903.
Part: UNIVERSAL JOINT — WORN (M/R PITCH CHANGE) · airframe 2,415 hrs
BEARING WORN. TO BE RETURNED TO VENDOR.
Part: BEARING — CRACKED (MAIN ROTOR) · airframe 2,331 hrs
SHIM CRACKED.
Part: SPLINE ADAPTER — WORN (TAIL ROTOR DRIVE) · airframe 2,309 hrs
WORN.
Part: PRESSURE SWITCH — FAILED (M/R GEARBOX) · airframe 2,301 hrs
ANTI ICE LIGHT WILL NOT GO OUT.
Part: TUBE — WORN (TAIL ROTOR) · airframe 2,283 hrs
TAIL ROTOR CONTROL TUBE HAS A BEARING WORN.
Part: HOUSING — CRACKED (BLOWER) · airframe 2,263 hrs
CRACKED.
Part: RELAY — MALFUNCTIONED (FADEC) · airframe 2,286 hrs
FADEC DEGRADE LIGHT 3 LIGHTS.
Part: BEARING — WORN (TAIL ROTOR) · airframe 2,263 hrs
TAIL ROTOR BEARING WORN.
Part: PLACARD — LOOSE (SEAT BELT) · airframe 2,263 hrs
LABEL COMING OFF BELT.
Part: BLADE — DAMAGED (TAIL ROTOR) · airframe 2,263 hrs
VOID BETWEEN SKIN AND BLOCK.
Part: PLACARD — DAMAGED (SEAT BELT) · airframe 2,234 hrs
TAG UNREADABLE ON SEAT BELT.
Part: GEARBOX — MAKING METAL (TAIL ROTOR) · airframe 2,282 hrs
TAIL ROTOR GEARBOX MAKING METAL.
2000
Part: LINK — OUT OF ADJ (TAIL ROTOR)
BEARING BAD ADJUSTMENT END.
Part: ANGLE — CRACKED (FUSELAGE)
ANGLE CRACKED. SCRAPPED.
Part: PAD ASSY — WORN (ROTOR BRAKE)
PAD ASSEMBLY WORN. SCRAPPED.
Part: BLOWER — ROUGH (OIL COOLER)
OIL COOLER BLOWER HAS ROUGH BEARINGS.
Part: BEARING — DAMAGED (MAIN ROTOR)
UNABLE TO BALANCE DUE TO BEARING VIBRATION. SERIAL NUMBERS REMOVED ARE J98-1872 AND J98-1857.
Part: SHAFT — WORN (COOLER BLOWER)
SHAFT ASSY HAD WORN SPLINES.
Part: FITTING — GALLED (ENGINE COWL)
FITTING HAD GALLED THREADS.
Part: LINK — WORN (TAIL ROTOR)
LINK HAD BEARINGS WORN.
Part: DISC PACK — CRACKED (T/R DRIVE)
DISC PACK CRACKED AND BROKEN.
Part: COVER — CRACKED (CREW DOOR)
COVER CRACKED.
1999
Part: PANEL — CRACKED (OIL COOLER)
REPAIRED CRACKED OIL COOLER DECK ON FUSELAGE.
Part: DUCT — CRACKED (EXHAUST)
DUCT CRACKED.
Part: FILTER — FAILED (HYDRAULIC SYS)
BYPASS BUTTON KEEPS TRIPPING.
Part: BEARING — WORN (MAIN ROTOR)
BEARING WORN AND ROUGH. SERIAL NUMBERS REMOVED ARE E99-0669 AND E99-1670.
Part: SHAFT — WORN (COOLER BLOWER)
SPLINES WORN BEYOND LIMITS ON SHAFT ASSEMBLY.
Part: SPLINES — WORN (ADAPTER)
ADAPTER SPLINES WORN.
Part: HOUSING — CRACKED (COOLER BLOWER)
BLOWER HOUSING CRACKED.
Part: UNIVERSAL — WORN (M/R DRIVE)
UNIVERSAL BEARING WORN.
Part: UNIVERSAL — WORN (M/R DRIVE)
UNIVERSAL BEARING WORN.
Part: SWITCH — STUCK (ENGINE)
PRESSURE SWITCH STUCK OPEN.
Part: BIPOD MOUNT — WORN (ENGINE)
BIPOD MOUNT HAD WORN BEARING.
Part: PUMP — LEAKING (TRANSMISSION OIL)
TRANSMISSION OIL PUMP LEAKING.
Part: LINK — WORN (TAIL ROTOR)
WORN BEARINGS. SERIAL NUMBERS REMOVED ARE NHFS-3228 AND NHFS-3200. REPLACED WITH SERIAL NUMBERS NHFS-4376 AND NHFS-4423.
Part: LINE — CHAFED (FUEL SYSTEM)
LINE CHAFED DUE TO ID TAG.
Part: DISC PACK — CRACKED (T/R DRIVE)
DISC PACK CRACKED.
Part: DISC PACK — CRACKED (T/R DRIVE)
DISC PACK CRACKED.
Part: ANTENNA — MALFUNCTIONED (RADAR ALTIMETER)
RADAR ALTIMETER ERRATIC IN-FLIGHT.
Part: DISC PACK — CRACKED (T/R DRIVE)
DISC PACK CRACKED.
Part: CYLINDER — MALFUNCTIONED (ROTOR BRAKE)
PRESSURE BINDING ON UP AND DOWN STROKE ON CYLINDER ASSY.
Part: VALVE — LEAKING (ANTI-ICE)
VALVE ASSY LEAKING.
Part: UNIVERSAL — WORN (M/R DRIVE)
UNIVERSAL WORN.
Part: UNIVERSAL — WORN (M/R DRIVE)
UNIVERSAL HAD WORN BEARINGS.
Part: ALTIMETER — INACCURATE (COCKPIT)
RADAR ALTIMETER HAD INACCURATE READINGS AND FRAME PLATE BROKEN.
Part: TRANSDUCER — MALFUNCTIONED (ENGINE)
TRANSDUCER CAUSED FADEC DEGRADE LIGHT TO ILLUMINATE. REPLACED WITH SERVICEABLE ASSY.
Part: DISC PACK — CRACKED (TAIL ROTOR)
DISK COUPLING CRACKED.
Part: BEARING — ROUGH (MAIN ROTOR)
ROUGH BEARINGS. SERIAL NUMBERS REMOVED ARE H98-2272 AND H98-2206. REPLACEMENT PART SERIAL NUMBERS ARE M98-2111 AND M98-2284.
Part: DISC PACK — CRACKED (T/R DRIVE)
DISK COUPLING CRACKED.
Part: FREEWHEEL UNIT — LEAKING (MAIN ROTOR)
FREEWHEEL UNIT LEAKING.
Part: DISC PACK — CRACKED (TAIL ROTOR)
DISK COUPLING CRACKED.
Part: BEARING — WORN (T/R DRIVE)
FAN SHAFT ASSEMBLY HAS WORN BEARINGS. SERIAL NUMBERS REMOVED ARE A98-0497 AND A98-0500.
1998
Part: ICS — MALFUNCTIONED (COCKPIT)
PASSENGER NR 5 NO SIDETONE OR RECEIVE.
Part: INDICATOR — MALFUNCTIONED (COCKPIT)
REPLACED WITH NEW INDICATOR FROM BELL HELICOPTER.
Part: AMPLIFIER — INOPERATIVE (COCKPIT)
AUDIO AMPLIFIER INOPERATIVE.
Part: FLYWHEEL — OUT OF ADJUST (TAIL ROTOR)
3.0 IPS MEASURED ON FORWARD BLOWER HANGER.
Part: COOLER — LEAKING (ENGINE OIL)
OIL COOLER LEAKING THROUGH FINS.