# Service difficulty reports: N496PH A list on [N496PH](https://openairdocs.org/aircraft/N496PH.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 2 · 91 reports - [SDR HEER201808109107](https://openairdocs.org/sdr/HEER201808109107.md): Skin · corroded · Aug 9, 2018 · N496PH · Bell 407 · Fuselage Main, Plate/Skin > FORWARD LOWER SHELL OUTER CORNER SKIN WAS FOUND TO BE CORRODED. LEFT SIDE FORWARD EDGE, NEAR SIDE BODY FAIRING AND LOWER WINDOW INSTALLATIONS. OPEN - [SDR HEER20160713822](https://openairdocs.org/sdr/HEER20160713822.md): Bearing · spalled · Jul 13, 2016 · N496PH · Bell 407 · Turbine Section > ENGINE REMOVED 7-2-16 FOR TURBINE O/H AND 2000 HR INSPECTION. NR 5 BEARING EXHIBITS SPALLING AT OUTER RACE SPLIT. REPLACED NR 5 BEARING. - [SDR HEER20160406364](https://openairdocs.org/sdr/HEER20160406364.md): Bearing · spalled · Apr 6, 2016 · N496PH · Bell 407 · Turbine Section > ENGINE REMOVED 3-5-16 DUE TO IMPELLER RETIREMENT. NR 5 BEARING EXHIBITS SPALLING AT OUTER RACE SPLIT. REPLACED NR 5 BEARING. - [SDR HEER20150827679](https://openairdocs.org/sdr/HEER20150827679.md): Bearing · spalled · Aug 27, 2015 · N496PH · Bell 407 · Turbine Section > ENGINE REMOVED 8-9-15 DUE TO TURBINE OVERHAUL. NR 5 BEARING EXHIBITS PROBABLE SPALLING AT OUTER RACE SPLIT. REPLACED WITH SERVICEABLE BEARING. - [SDR HEER20150819592](https://openairdocs.org/sdr/HEER20150819592.md): Case · leaking · Aug 19, 2015 · N496PH · Bell 407 · Turbine Engine Combustion Section > ENGINE REMOVED 8-9-15 FOR TURBINE O/H. OUTER COMBUSTION CASE LEAKING AT ARMPITS WHEN PRESSURE TESTED. REPLACED WITH NEW COMBUSTION CASE. - [SDR HEER20141020172](https://openairdocs.org/sdr/HEER20141020172.md): Bearing · spalled · Oct 20, 2014 · N496PH · Bell 407 · Turbine Section > ENGINE REMOVED ON 10-9-14 DUE TO METAL IN OIL. NR 5 BEARING EXHIBITS HEAVY SPALLING ON NR 5 BEARING BALLS. PART RETURNED TO MFG FOR FURTHER EVALUATION. - [SDR HEEA20120906722](https://openairdocs.org/sdr/HEEA20120906722.md): Bearing · spalled · Sep 6, 2012 · N496PH · Bell 407 · Turbine Section > ENGINE REMOVED DUE TO IMPELLER RETIREMENT. NR 5 BEARING SPALLING IN OUTER RACE AT SPLIT. REPLACED WITH NEW NR 5 BEARING. - [SDR HEEA2012042933771](https://openairdocs.org/sdr/HEEA2012042933771.md): Bearing · spalled · Apr 29, 2012 · N496PH · Bell 407 · Turbine Section > TURBINE REMOVED TO INSPECT FOR METAL IN OIL. ON INSPECTION OF NR 5 BEARING, FOUND SPALLING AT OUTER RACE SPLIT. SCRAP PART AND REPLACE WITH NEW. - [SDR HEEA092745](https://openairdocs.org/sdr/HEEA092745.md): Gearbox · corroded · Jan 25, 2004 · N496PH · Clark 1000CLARK · Tail Rotor Gearbox > REMOVED DUE TO EXCESSIVE CORROSION ON MAIN HOUSING IN AREA AROUND CHIP PLUG, AIR BREATHER VENT AND AT HOLES WHERE SAFETY WIRE IS ATTACHED TO HOUSING. GEARBOX WAS OVERHAULED AT T.T. 2575.00 ON FORM TRACKING AND W/O BH2122TN. SEND GEARBOX TO MFG FOR WARRANTY R - [SDR HEEA088925](https://openairdocs.org/sdr/HEEA088925.md): Windshield · scratched · Jul 28, 2003 · N496PH · Bell 407 · Flight Compartment Windows > WINDSHIELD SCRATCHED. - [SDR HEEA088924](https://openairdocs.org/sdr/HEEA088924.md): Windshield · scratched · Jul 28, 2003 · N496PH · Bell 407 · Flight Compartment Windows > WINDSHIELD SCRATCHED. - [SDR HEEA088022](https://openairdocs.org/sdr/HEEA088022.md): Window · cracked · Jun 26, 2003 · N496PH · Bell 407 · Door Windows > LT AFT DOOR WINDOW CRACKED. REPLACED WITH SERVICEABLE PART. - [SDR HEEA087827](https://openairdocs.org/sdr/HEEA087827.md): Transponder · failed · Jun 18, 2003 · N496PH · Bell 407 · ATC Transponder System > ATC TRANSPONDER FAILS; LOW POWER. REPLACED WITH SERVICEABLE PART. - [SDR HEEA087452](https://openairdocs.org/sdr/HEEA087452.md): Knob · separated · Jun 12, 2003 · N496PH · Bell 407 · Attitude Gyro and Indicating System > ADI INDICATOR CAGING KNOB CAME OFF. REPAIRED. - [SDR HEEA087451](https://openairdocs.org/sdr/HEEA087451.md): Indicator · inaccurate · Jun 12, 2003 · N496PH · Bell 407 · Attitude Gyro and Indicating System > ATTITUDE INDICATOR, SHOWS LEFT BANK IN CRUISE FLIGHT. REPAIRED. - [SDR HEEA087441](https://openairdocs.org/sdr/HEEA087441.md): Wire Harness · inoperative · Jun 12, 2003 · N496PH · Bell 407 · Engine RPM Indicating System > FADEC DEGRADE LIGHT IN FLIGHT. TO BE SENT TO MFG FOR CREDIT. - [SDR HEEA087335](https://openairdocs.org/sdr/HEEA087335.md): Drive Shaft · damaged · Jun 11, 2003 · N496PH · Bell 407 · Tail Rotor Drive Shaft > TAIL ROTOR DRIVESHAFT SPLINE COATING GONE. REPLACED. - [SDR HEEA087275](https://openairdocs.org/sdr/HEEA087275.md): Filter · bypassing · Jun 11, 2003 · N496PH · Bell 407 · Engine Oil Indicating System > OIL FILTER INDICATOR POPPED. TO BE SENT TO MFG. - [SDR HEEA087006](https://openairdocs.org/sdr/HEEA087006.md): Control Head · erratic · Jun 4, 2003 · N496PH · Bell 407 · Weather Radar System > FM CONTROL HEAD VOLUME CONTROL ERRATIC. FOUND VOLUME KNOB LOOSE ON SHAFT AND IS SPINNING DUE TO BEING CRACKED. REPLACED VOLUME KNOB. REPAIRED. BENCH CHECK GOOD. - [SDR HEEA086989](https://openairdocs.org/sdr/HEEA086989.md): Bleed Valve · inoperative · Jun 3, 2003 · N496PH · Bell 407 · Compressor Bleed Valve > BLEED VALVE PRODUCING HIGH MGT. REPLACED. - [SDR HEEA086956](https://openairdocs.org/sdr/HEEA086956.md): Starter Gen · inoperative · Jun 3, 2003 · N496PH · Bell 407 · Starter-Generator > STARTER GEN WILL NOT COME ON LINE. REPAIRED. - [SDR HEEA084383](https://openairdocs.org/sdr/HEEA084383.md): Antenna · corroded · Feb 11, 2003 · N496PH · Bell 407 · VHF Communications System > VHF COMMUNICATIONS ANTENNA CORRODED. SCRAPPED. - [SDR HEEA084344](https://openairdocs.org/sdr/HEEA084344.md): Indicator · malfunctioned · Feb 11, 2003 · N496PH · Bell 407 · Rotor Drive Indicating System > TEMP FLUCTUATING TO FULL SCALE AND BACK WHILE ALSO HAVING SEVERAL SEGMENTS NOT ILLUMINATING. ANNUNCIATOR PANEL TEMP WARNING LIGHT DID NOT ILLUMINATE. - [SDR HEEA084324](https://openairdocs.org/sdr/HEEA084324.md): Pressure Switch · sticking · Feb 11, 2003 · N496PH · Bell 407 · Fuel Pressure Indicator > FUEL CELL PRESSURE SWITCH STICKING. - [SDR HEEA084260](https://openairdocs.org/sdr/HEEA084260.md): Solenoid Valve · leaking · Jan 20, 2003 · N496PH · Bell 407 · Emergency Flotation Section > BOTTLE WILL NOT SERVICE UP FROM EMPTY. LEAKS PASS SEAT ON SOLENOID VALVE. - [SDR HEEA084258](https://openairdocs.org/sdr/HEEA084258.md): Solenoid Valve · failed · Jan 20, 2003 · N496PH · Bell 407 · Emergency Flotation Section > EMERGENCY FLOAT BOTTLE WILL NOT SERVICE UP FROM EMPTY. LEAKS PASS SEAT ON SOLENOID VALVE. - [SDR HEEA084229](https://openairdocs.org/sdr/HEEA084229.md): Panel · cracked · Jan 20, 2003 · N496PH · Bell 407 · Fuselage Miscellaneous Structure > INTERIOR PANEL CRACKED. - [SDR HEEA084222](https://openairdocs.org/sdr/HEEA084222.md): Panel · cracked · Jan 20, 2003 · N496PH · Bell 407 · Fuselage Miscellaneous Structure > INTERIOR PANEL CRACKED. - [SDR HEEA083934](https://openairdocs.org/sdr/HEEA083934.md): Spring · broken · Jan 17, 2003 · N496PH · Bell 407 · Main Rotor Head > MAIN ROTOR HEAD FRAHM ASSY HAS A BROKEN SPRING. - [SDR HEEA083882](https://openairdocs.org/sdr/HEEA083882.md): Universal · worn · Jan 16, 2003 · N496PH · Bell 407 · Main Rotor Drive System > MAIN ROTOR UNIVERSAL HAS BEARING WEAR. - [SDR HEEA083850](https://openairdocs.org/sdr/HEEA083850.md): Bearing · worn · Jan 16, 2003 · N496PH · Bell 407 · Main Rotor Mast/Swashplate > MAIN ROTOR HAS WORN BEARING ON ROD ASSY. - [SDR HEEA083817](https://openairdocs.org/sdr/HEEA083817.md): Swashplate · leaking · Jan 16, 2003 · N496PH · Bell 407 · Main Rotor Mast/Swashplate > MAIN ROTOR SWASHPLATE HAS GREASE IS LEAKING FROM UPPER SEAL. REPAIRED. - [SDR HEEA083800](https://openairdocs.org/sdr/HEEA083800.md): Hydromech Unit · malfunctioned · Jan 15, 2003 · N496PH · Bell 407 · Fuel Controlling System > HMU WILL NOT KEEP MAIN ROTOR FROM DROOPING. REPLACED WITH SERVICEABLE PART. - [SDR HEEA083769](https://openairdocs.org/sdr/HEEA083769.md): Seal · leaking · Jan 15, 2003 · N496PH · Bell 407 · Turbine Engine Accessory Drive > ENGINE AND TRANSMISSION TRANSFERRING OIL. REPLACED FWD PTO SEAL WITH SERVICEABLE PART. - [SDR HEEA083768](https://openairdocs.org/sdr/HEEA083768.md): Seal · leaking · Jan 15, 2003 · N496PH · Bell 407 · Turbine Engine Accessory Drive > ENGINE AND TRANSMISSION TRANSFERRING OIL. REPLACED WITH SERVICEABLE PART. - [SDR HEEA083733](https://openairdocs.org/sdr/HEEA083733.md): Seal · leaking · Jan 15, 2003 · N496PH · Bell 407 · Engine/Transmission Coupling > FREEWHEEL UNIT SEAL AFT CAP LEAKING. - [SDR HEEA083673](https://openairdocs.org/sdr/HEEA083673.md): Cover · torn · Jan 15, 2003 · N496PH · Bell 407 · Emergency Flotation Section > EMERGENCY FLOAT COVER TORN. - [SDR HEEA080189](https://openairdocs.org/sdr/HEEA080189.md): Brushes · worn · Jun 26, 2002 · N496PH · Bell 407 · Starter-Generator > STARTER GEN BRUSHES WORN. - [SDR HEEA080183](https://openairdocs.org/sdr/HEEA080183.md): Cover · torn · Jun 26, 2002 · N496PH · Bell 407 · Emergency Flotation Section > EMERGENCY FLOAT COVER TORN. - [SDR HEEA080171](https://openairdocs.org/sdr/HEEA080171.md): Shaft · bent · Jun 26, 2002 · N496PH · Bell 407 · Main Rotor Control > THREADS STRIPPED AND SHAFT BENT. - [SDR HEEA080075](https://openairdocs.org/sdr/HEEA080075.md): Indicator · inoperative · Jun 11, 2002 · N496PH · Bell 407 · Engine RPM Indicating System > DUAL TACH INDICATOR ROTOR NEEDLE DROPPED TO ZERO. - [SDR HEEA080011](https://openairdocs.org/sdr/HEEA080011.md): Bleed Valve · failed · Jun 10, 2002 · N496PH · Bell 407 · Compressor Bleed Valve > ENGINE HAS LOW POWER AND HIGH TOT. REPLACED WITH SERVICEABLE BLEED VALVE. - [SDR HEEA079166](https://openairdocs.org/sdr/HEEA079166.md): Bearing · unstaked · May 23, 2002 · N496PH · Bell 407 · Main Rotor Head > MAIN ROTOR HEAD BEARING UNSTAKED. - [SDR HEEA079030](https://openairdocs.org/sdr/HEEA079030.md): Bulb · inoperative · May 15, 2002 · N496PH · Bell 407 · Fuel Controlling System > FADEC MANUAL SWITCH BULB INOPERATIVE. REPLACED WITH SERVICEABLE PART. - [SDR HEEA078837](https://openairdocs.org/sdr/HEEA078837.md): Bearing · worn · May 7, 2002 · N496PH · Bell 407 · Main Rotor Drive System > UNIVERSAL HAS A WORN BEARING. - [SDR HEEA078409](https://openairdocs.org/sdr/HEEA078409.md): Panel · cracked · Mar 22, 2002 · N496PH · Bell 407 · Passenger/Crew Doors > PILOT DOOR TRIM PANEL CRACKED. SCRAPPED AND REPLACED WITH SERVICEABLE PART. - [SDR HEEA078392](https://openairdocs.org/sdr/HEEA078392.md): Hmu · failed · Mar 22, 2002 · N496PH · Bell 407 · Fuel Controlling System > WHEN SWITCH TO MANUAL MODE, ENGINE HAS HIGH ACCELERATION. REPLACED WITH SERVICEABLE PART. - [SDR HEEA078391](https://openairdocs.org/sdr/HEEA078391.md): Hmu · failed · Mar 22, 2002 · N496PH · Bell 407 · Fuel Controlling System > ELONGATED DRIVE PIN HOLE, FAILED 300 HOUR BACKLASH INSPECTION. REPLACED WITH SERVICEABLE PART. - [SDR HEEA078388](https://openairdocs.org/sdr/HEEA078388.md): Igniter Box · intermittent · Mar 22, 2002 · N496PH · Bell 407 · Spark Plug/Igniter > IGNITER WORKS INTERMITTENTLY. REPLACED WITH SERVICEABLE PART. - [SDR HEEA078374](https://openairdocs.org/sdr/HEEA078374.md): Bearing · worn · Mar 22, 2002 · N496PH · Bell 407 · Tail Rotor Drive Shaft > OIL COOLER BLOWER BEARING HAS EXCESSIVE PLAY. Next page: https://openairdocs.org/aircraft/N496PH/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 = 'N496PH' AND registry_match = 'registration' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/aircraft/N496PH/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.