# Service difficulty reports: N457PH A list on [N457PH](https://openairdocs.org/aircraft/N457PH.md). Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first. Page 1 of 3 · 128 reports - [SDR HEER20170502215](https://openairdocs.org/sdr/HEER20170502215.md): Block · separated · May 2, 2017 · N457PH · Bell 407 · Tail Rotor Blades > LANDED DUE TO SEVERE VIBRATION. TAIL ROTOR BLADE TIP BLOCK CAME OFF OF BLADE. MOUNT STUDS BROKEN ON TAIL ROTOR GEARBOX. MOUNT CASTING CRACKED. - [SDR HEER20170120831](https://openairdocs.org/sdr/HEER20170120831.md): Bearing · spalled · Jan 20, 2017 · N457PH · Bell 407 · Turbine Section > ENGINE REMOVED FOR NR 5 BEARING UPGRADE. THE BEARING EXHIBITED SPALLING OF OUTER RACE AT SPLIT. REPLACED THE BEARING. - [SDR HEER20150819590](https://openairdocs.org/sdr/HEER20150819590.md): Bearing · spalled · Aug 19, 2015 · N457PH · Bell 407 · Turbine Section > ENGINE REMOVED 7-31-15 DUE TO METAL IN OIL. CAUSE DETERMINED TO BE TURBINE NR 5 BEARING SPALLING ON OUTER RACE. PART SUBMITTED FOR MFG WARRANTY CREDIT ON FAA 1439578661314. PART WILL BE RETURNED TO MFG FOR FAILURE INVESTIGATION. - [SDR HEER20150409001](https://openairdocs.org/sdr/HEER20150409001.md): Bearing · spalled · Apr 9, 2015 · N457PH · Bell 407 · Turbine Section > ENGINE REMOVED 3-20-15 DUE TO METAL IN OIL. NR 5 BEARING EXHIBITS SEVERELY SPALLED BALLS, OUTER RACE AND DAMAGED SEPERATOR. INSTALLED NEW N R5 BEARING. PART WILL BE RETURNED TO ROLLS ROYCE FOR FURTHER EVALUATION. - [SDR HEEA087499](https://openairdocs.org/sdr/HEEA087499.md): Shaft · making metal · Jun 12, 2003 · N457PH · Bell 407 · Tail Rotor Drive Shaft > METAL PARTICLES IN GREASE ON FRONT BEARING. REPLACED BEARING 407-340-339-101, S/N ZV10970 DUE TO ROUGH; BEARING 407-340-339-101, S/N ZV10935 DUE TO ROUGH. REPAIRED. - [SDR HEEA087490](https://openairdocs.org/sdr/HEEA087490.md): Control Unit · malfunctioned · Jun 12, 2003 · N457PH · Bell 407 · Global Positioning System > GPS CONTROL UNIT WOULD NOT ACKNOWLEDGE COMMANDS. SENT TO OUTERLINK FOR INSPECTION AND REPAIR. - [SDR HEEA087459](https://openairdocs.org/sdr/HEEA087459.md): Fuel Nozzle · intermittent · Jun 12, 2003 · N457PH · Bell 407 · Fuel Injector Nozzle > FUEL NOZZLE HAS INTERMITTENT DELAYED STARTS. REPLACED FUEL NOZZLE. - [SDR HEEA087455](https://openairdocs.org/sdr/HEEA087455.md): Ignition Lead · intermittent · Jun 12, 2003 · N457PH · Bell 407 · Ignition Harness (Distribution) > INTERMITTENT STARTING PROBLEM. REPLACED IGNITER. - [SDR HEEA087431](https://openairdocs.org/sdr/HEEA087431.md): Pressure Switch · malfunctioned · Jun 12, 2003 · N457PH · Bell 407 · Fuel Pressure Indicator > LEFT FUEL TRANSFER LIGHT DOES NOT ILLUMINATE WHEN THE SWITCH IS TURNED OFF. - [SDR HEEA087416](https://openairdocs.org/sdr/HEEA087416.md): Disc Pack · cracked · Jun 11, 2003 · N457PH · Bell 407 · Tail Rotor Drive Shaft > AFT COUPLING DISK PACK CRACKED. - [SDR HEEA087329](https://openairdocs.org/sdr/HEEA087329.md): Bearing · scored · Jun 11, 2003 · N457PH · Bell 407 · Tail Rotor Drive Shaft > T/R DRIVESHAFT BEARING SURFACE SCORED. REPLACED. - [SDR HEEA087327](https://openairdocs.org/sdr/HEEA087327.md): Bearing · vibration · Jun 11, 2003 · N457PH · Bell 407 · Tail Rotor Drive Shaft > HIGH FREQ VIBRATION. BEARING ROUGH. REPLACED BEARING 407040339101, S/N ZV12038 DUE TO ROUGH. REPAIRED. - [SDR HEEA087326](https://openairdocs.org/sdr/HEEA087326.md): Drive Shaft · worn · Jun 11, 2003 · N457PH · Bell 407 · Tail Rotor Drive Shaft > WORN BEARING MOUNT SURFACE. REPLACED WITH SERVICEABLE PART. - [SDR HEEA087294](https://openairdocs.org/sdr/HEEA087294.md): Bearing · worn · Jun 11, 2003 · N457PH · Bell 407 · Main Rotor Head > WORN DAMPER BEARING. REPAIRED. - [SDR HEEA087029](https://openairdocs.org/sdr/HEEA087029.md): Freewheel Unit · vibrates · Jun 4, 2003 · N457PH · Bell 407 · Engine/Transmission Coupling > HIGH FREQ VIBRATION. REPLACED BEARING 406-040-532-103, S/N 0507 DUE TO WEAR LINE ON ROLLERS AND ROUGH; SEAL 214-040-841-101 DUE TO LEAKING. REPAIRED. - [SDR HEEA087015](https://openairdocs.org/sdr/HEEA087015.md): Lever · worn · Jun 4, 2003 · N457PH · Bell 407 · Main Rotor Mast/Swashplate > WORN BUSHINGS. REPLACED 4 EACH BUSHINGS 406310406101 DUE TO WORN. REPAIRED. - [SDR HEEA087014](https://openairdocs.org/sdr/HEEA087014.md): Lever · worn · Jun 4, 2003 · N457PH · Bell 407 · Main Rotor Mast/Swashplate > WORN BUSHINGS. REPLACED 4 EACH BUSHINGS 406310406-101 DUE TO WORN. REPAIRED. - [SDR HEEA086931](https://openairdocs.org/sdr/HEEA086931.md): Trunnion · worn · Jun 3, 2003 · N457PH · Bell 407 · Tail Rotor Head > TAIL ROTOR TRUNNION SPINDLES ARE WORN. TO BE SENT TO MFG. - [SDR HEEA087852](https://openairdocs.org/sdr/HEEA087852.md): Shaft · scored · May 23, 2003 · N457PH · Bell 407 · Tail Rotor Drive Shaft > SCORED SURFACE ON BEARING. REPLACED BEARING 407040339101 DUE TO SCORED SURFACE; SHAFT 407-040-330-101, S/N A2193 DUE TO WORN SHAFT JOURNAL; ADAPTER 406-040-328-103, S/N AFS1172 DUE TO CORROSION ON INNER FLANGE. REPAIRED. - [SDR HEEA087853](https://openairdocs.org/sdr/HEEA087853.md): Shaft · scored · May 22, 2003 · N457PH · Bell 407 · Tail Rotor Drive Shaft > SCORED SURFACE ON BEARING. REPLACED BEARING 407-040-339-101, S/N ZV1109 DUE TO SCORED SURFACE; SHAFT 407-040-330-101, S/N A2193 DUE TO WORN SHAFT JOURNAL; ADAPTER 406-040-328-103, S/N AFS2193 DUE TO CORROSION. REPAIRED. - [SDR HEEA084389](https://openairdocs.org/sdr/HEEA084389.md): Antenna · damaged · Feb 12, 2003 · N457PH · Bell 407 · Communications System > WOULD NOT RECEIVE ANY SIGNAL. - [SDR HEEA083755](https://openairdocs.org/sdr/HEEA083755.md): Bleed Valve · malfunctioned · Jan 15, 2003 · N457PH · Bell 407 · Compressor Bleed Valve > ANTI ICE LIGHT ILLUMINATES DURING START. REPLACED BLEED VALVE. - [SDR HEEA083618](https://openairdocs.org/sdr/HEEA083618.md): Gps · malfunctioned · Jan 14, 2003 · N457PH · Bell 407 · Global Positioning System > GPS RECEIVER LOSES MEMORY. FOUND BATTERY VOLTAGE GOOD. REPLACED BAD MESSAGE BUTTON BACKLIGHT BULB AND BAD BUTTONS. BENCH CHECK GOOD. - [SDR HEEA080242](https://openairdocs.org/sdr/HEEA080242.md): Blade · delaminated · Jun 27, 2002 · N457PH · Bell 407 · Main Rotor Blades > DELAMINATION ON BOTTOM OF BLADE NEAR TRIM TAB. - [SDR HEEA079983](https://openairdocs.org/sdr/HEEA079983.md): Transceiver · weak · Jun 10, 2002 · N457PH · Bell 407 · VHF Communications System > VHF WEAK. FOUND S501 SWITCH AND DS501 BULB BAD. REPLACED AND REPAIRED. ADJUSTED SIDETONE. BENCH CHECK GOOD. - [SDR HEEA079947](https://openairdocs.org/sdr/HEEA079947.md): Step · corroded · Jun 3, 2002 · N457PH · Bell 407 · Entrance Stairs > FLIGHT STEP CORRODED AROUND BOLT HOLES. SCRAPPED AND REPLACED WITH SERVICEABLE PART. - [SDR HEEA079931](https://openairdocs.org/sdr/HEEA079931.md): Transceiver · malfunctioned · Jun 3, 2002 · N457PH · Bell 407 · ATC Transponder System > TRANSCEIVER SQUAWK WAY OFF. - [SDR HEEA079228](https://openairdocs.org/sdr/HEEA079228.md): Exhaust Stack · cracked · May 24, 2002 · N457PH · Bell 407 · Engine Collector/Tailpipe/Nozzle > ENGINE EXHAUST STACK CRACKED. - [SDR HEEA079189](https://openairdocs.org/sdr/HEEA079189.md): Solenoid Valve · leaking · May 23, 2002 · N457PH · Bell 407 · Emergency Flotation Section > EMERGENCY FLOAT BOTTLE SOLENOID VALVE LEAKING. - [SDR HEEA079042](https://openairdocs.org/sdr/HEEA079042.md): Bearing · rough · May 15, 2002 · N457PH · Bell 407 · Tail Rotor Drive Shaft > ROUGH BEARING ON COOLER BLOWER ASSY. - [SDR HEEA079023](https://openairdocs.org/sdr/HEEA079023.md): Indicator · inoperative · May 15, 2002 · N457PH · Bell 407 · Engine Oil Temperature > ENGINE OIL TEMP INDICAOTR RECEIVED FROM STOCK AND WOULD NOT INDICATE OIL PRESSURE. - [SDR HEEA078990](https://openairdocs.org/sdr/HEEA078990.md): Solenoid Valve · leaking · May 15, 2002 · N457PH · Bell 407 · Emergency Flotation Section > EMERGENCY FLOAT BOTTLE SOLENOID VALVE LEAKING. - [SDR HEEA078953](https://openairdocs.org/sdr/HEEA078953.md): Line · corroded · May 15, 2002 · N457PH · Bell 407 · Engine Oil Distribution (Airframe Furnished) > OIL LINE HAS CORROSION UNDER SLEEVE AT FITTING. - [SDR HEEA078951](https://openairdocs.org/sdr/HEEA078951.md): Line · corroded · May 15, 2002 · N457PH · Bell 407 · Engine Oil Distribution (Airframe Furnished) > OIL LINE HAS CORROSION UNDER SLEEVE AT FITTING. - [SDR HEEA078911](https://openairdocs.org/sdr/HEEA078911.md): Sensor · malfunctioned · May 13, 2002 · N457PH · Bell 407 · Power Indicating System > WARNING HORN ACTIVATED AT 100 PERCENT NR. - [SDR HEEA078908](https://openairdocs.org/sdr/HEEA078908.md): Hose · collapsed · May 13, 2002 · N457PH · Bell 407 · Aircraft Fuel Distribution System > FUEL HOSE COLLAPSED. - [SDR HEEA078903](https://openairdocs.org/sdr/HEEA078903.md): Strap · worn · May 13, 2002 · N457PH · Bell 407 · Main Landing Gear > MLG STRAP WORN AND CHAFED BEYOND LIMITS. - [SDR HEEA078902](https://openairdocs.org/sdr/HEEA078902.md): Shaft · peeling · May 13, 2002 · N457PH · Bell 407 · Tail Rotor Gearbox > PAINT PEELING FROM SHAFT. - [SDR HEEA078901](https://openairdocs.org/sdr/HEEA078901.md): Exhaust Stack · cracked · May 13, 2002 · N457PH · Bell 407 · Engine Collector/Tailpipe/Nozzle > EXHAUST STACK IS CRACKED. - [SDR HEEA078802](https://openairdocs.org/sdr/HEEA078802.md): Thermoswitch · damaged · May 7, 2002 · N457PH · Bell 407 · Main Rotor Gearbox > MAIN ROTOR GEARBOX THERMOSWITCH DAMAGED, STUD TURNS FREELY IN HOUSING. - [SDR HEEA078523](https://openairdocs.org/sdr/HEEA078523.md): Hose · kinked · Mar 25, 2002 · N457PH · Bell 407 · Hydraulic System, Main > HOSE KINKED. SCRAPPED AND REPLACED WITH SERVICEABLE PART. - [SDR HEEA078408](https://openairdocs.org/sdr/HEEA078408.md): Step · corroded · Mar 22, 2002 · N457PH · Bell 407 · Emergency Flotation Section > CORRODED AROUND BOLT HOLES. SCRAPPED AND REPLACED WITH SERVICEABLE PART. - [SDR HEEA078403](https://openairdocs.org/sdr/HEEA078403.md): Frame · corroded · Mar 22, 2002 · N457PH · Bell 407 · Flight Compartment Equipment > LOWER SEAT FRAME SUPPORT AROUND INSERTS HEAVILY CORRODED. REPLACED WITH SERVICEABLE FRAME. - [SDR HEEA078390](https://openairdocs.org/sdr/HEEA078390.md): Bearing · worn · Mar 22, 2002 · N457PH · Bell 407 · Engine Mount Section > ENGINE MOUNT BEARING WORN. REPLACED WITH SERVICEABLE PART. - [SDR HEEA078381](https://openairdocs.org/sdr/HEEA078381.md): Structure · corroded · Mar 22, 2002 · N457PH · Bell 407 · Rotorcraft Tail Boom > TAIL BOOM FIN IS SEPARATED AND CORRODED BEYOND LIMITS. - [SDR HEEA078376](https://openairdocs.org/sdr/HEEA078376.md): Shroud · cracked · Mar 22, 2002 · N457PH · Bell 407 · Main Rotor Drive System > SHROUD COVER ALL CRACKED OUT. LEXAN COVER CRACKED AND PARTS MISSING. - [SDR HEEA078372](https://openairdocs.org/sdr/HEEA078372.md): Shaft · worn · Mar 22, 2002 · N457PH · Bell 407 · Tail Rotor Drive Shaft > COOLER BLOWER SHAFT HAS SPLINE WEAR. - [SDR HEEA078367](https://openairdocs.org/sdr/HEEA078367.md): Mount · damaged · Mar 22, 2002 · N457PH · Bell 407 · Tail Rotor System > RUBBED IS UNBONDED FROM SHOCK MOUNT. - [SDR HEEA078366](https://openairdocs.org/sdr/HEEA078366.md): Hose · kinked · Mar 22, 2002 · N457PH · Bell 407 · Hydraulic System, Main > HYDRAULIC HOSE KINKED. - [SDR HEEA078364](https://openairdocs.org/sdr/HEEA078364.md): Hose · kinked · Mar 22, 2002 · N457PH · Bell 407 · Aircraft Fuel Distribution System > FUEL HOSE KINKED. Next page: https://openairdocs.org/aircraft/N457PH/reports.md?page=2 ## The whole list in SQL Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS: ```sql SELECT sdr_id, difficulty_date, n_number, aircraft_make, aircraft_model, part_name, part_condition, jasc_code, discrepancy FROM 'https://openairdocs.org/data/latest/faa_service_difficulty_report.parquet' WHERE n_number = 'N457PH' AND registry_match = 'registration' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/aircraft/N457PH/reports --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.