# Service difficulty reports: N406PH A list on [N406PH](https://openairdocs.org/aircraft/N406PH.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 · 150 reports - [SDR HEEA202411260001](https://openairdocs.org/sdr/HEEA202411260001.md): Transmission · making metal · Nov 22, 2024 · N406PH · Bell 407 · Main Rotor Gearbox > SHORTLY AFTER TAKEOFF WHILE IN CRUISE FLIGHT, CHIP XMSN LIGHT ILLUMINATED. RETURNED TO HMAE. - [SDR HEER20160729926](https://openairdocs.org/sdr/HEER20160729926.md): Bearing · spalled · Jul 29, 2016 · N406PH · Bell 407 · Turbine Section > ENGINE REMOVED 7-13-16 FOR TURBINE OVERHAUL. NR 5 BEARING EXHIBITED SPALLING AT OUTER RACE SPLIT. INSTALLED A NEW NR 5 BEARING. - [SDR HEER20151009767](https://openairdocs.org/sdr/HEER20151009767.md): Bearing · spalled · Oct 9, 2015 · N406PH · Bell 407 · Turbine Section > ENGINE REMOVED 9-13-15 FOR TURBINE O/H. NR 5 BEARING EXHIBITS PROBABLE SPALLING AT OUTER RACE SPLIT. PART WILL BE RETURNED TO MFG FOR FURTHER EVALUATION. - [SDR HEEA131562](https://openairdocs.org/sdr/HEEA131562.md): Structure · corroded · Jun 28, 2011 · N406PH · Bell 407 · Fuselage Miscellaneous Structure > FWD LOWER SHELL ASSY WAS FOUND TO BE CORRODED. REPAIRED IN ACCORDANCE WITH FAA-APPROVED REPAIR DATA. - [SDR HEEA131909](https://openairdocs.org/sdr/HEEA131909.md): Throttle Cable · broken · Jun 25, 2011 · N406PH · Bell 407 · Power Lever > INNER CABLE BROKE APPROX 9 INCHES FROM FORWARD END. THIS IS WHERE CABLE MAKES A SHARP BEND UNDER THE PILOTS SEAT. IT IS SUSPECTED THAT THIS PART IS ORIGINAL. INSTALLATION FROM OEM. REPLACED CABLE WITH NEW PART. - [SDR HEEA129893](https://openairdocs.org/sdr/HEEA129893.md): Bearing · spalled · Dec 7, 2010 · N406PH · Bell 407 · Turbine Section > ENGINE REMOVED DUE TO METAL IN OIL. NR5 BRG OUTER RACE AND BALLS ARE SPALLED, SEPERATOR IS WORN AND CRACKED. INSTALLED REPLACEMENT PARTS. - [SDR HEEA123021](https://openairdocs.org/sdr/HEEA123021.md): Skin · cracked · Jan 16, 2009 · N406PH · Bell 407 · Fuselage Main, Plate/Skin > SKIN CRACKED, REPLACED WITH SERVICEABLE SKIN. NOTE: PREVIOUSLY SUBMITTED ON 1/20/09. - [SDR HEEA087851](https://openairdocs.org/sdr/HEEA087851.md): Case · corroded · Jun 24, 2003 · N406PH · Bell 407 · Main Rotor Gearbox > TRANSMISSION ASSY HAS CORROSION AT LOWER CASE MATING FLANGE. REPLACED WITH SERVICEABLE PART. - [SDR HEEA087835](https://openairdocs.org/sdr/HEEA087835.md): Bleed Valve · failed · Jun 20, 2003 · N406PH · Bell 407 · Compressor Bleed Valve > BLEED VALVE MAKING ENGINE RUN HOT. REPLACED WITH SERVICEABLE PART. - [SDR HEEA087829](https://openairdocs.org/sdr/HEEA087829.md): Cartridge · failed · Jun 18, 2003 · N406PH · Bell 407 · Fuel Boost Pump > LEFT BOOST LIGHT ILLUMINATED. REPLACED WITH SERVICEABLE PART. - [SDR HEEA087494](https://openairdocs.org/sdr/HEEA087494.md): Life Vest · leaking · Jun 12, 2003 · N406PH · Bell 407 · Life Jacket > LIFE VEST LEAKING. REPLACED. - [SDR HEEA087478](https://openairdocs.org/sdr/HEEA087478.md): Connector · corroded · Jun 12, 2003 · N406PH · Bell 407 · Electrical Power System Wiring > CONNECTOR CORRODED AND BURNED. SCRAPPED. - [SDR HEEA087453](https://openairdocs.org/sdr/HEEA087453.md): Gyro · malfunctioned · Jun 12, 2003 · N406PH · Bell 407 · Attitude Gyro and Indicating System > HORIZON GYRO WILL NOT STAY ERECT. REPAIRED. - [SDR HEEA087438](https://openairdocs.org/sdr/HEEA087438.md): Indicator · inoperative · Jun 12, 2003 · N406PH · Bell 407 · Fuel Quantity Indicator > FUEL QTY INDICATOR DISPLAY DIM. TO BE SENT TO MFG FOR CREDIT. - [SDR HEEA087437](https://openairdocs.org/sdr/HEEA087437.md): Indicator · inoperative · Jun 12, 2003 · N406PH · Bell 407 · Rotor Drive Indicating System > TRANSMISSION OIL TEMP INDICATOR LIGHT DIM. SENT TO MFG FOR CREDIT. - [SDR HEEA087309](https://openairdocs.org/sdr/HEEA087309.md): Blade · damaged · Jun 11, 2003 · N406PH · Bell 407 · Tail Rotor Blades > SEPARATION ON TRAILING EDGE AT THE TIP. REPAIRED. - [SDR HEEA087000](https://openairdocs.org/sdr/HEEA087000.md): Hmu · failed · Jun 4, 2003 · N406PH · Bell 407 · Fuel Controlling System > SHOWED BAD ON PLA DATA. SENT FOR INSPECTION AND REPAIR. - [SDR HEEA086994](https://openairdocs.org/sdr/HEEA086994.md): Bleed Valve · malfunctioned · Jun 3, 2003 · N406PH · Bell 407 · Compressor Bleed Valve > ANTI ICE LIGHT ILLUMINATED IN FLIGHT. REPLACED. - [SDR HEEA084406](https://openairdocs.org/sdr/HEEA084406.md): Contactor · failed · Feb 12, 2003 · N406PH · Bell 407 · AC Generation System > CAUSING START/AUTO RELIGHT CAUTION LIGHTS TO NOT ILLUMINATE. - [SDR HEEA084374](https://openairdocs.org/sdr/HEEA084374.md): Bypass Valve · malfunctioned · Feb 11, 2003 · N406PH · Bell 407 · Main Rotor Gearbox > MAIN ROTOR GEARBOX OIL SYSTEM BYPASS VALVE INDICATOR BUTTON WILL NOT STAY IN. - [SDR HEEA084359](https://openairdocs.org/sdr/HEEA084359.md): Signal Cond Unit · malfunctioned · Feb 11, 2003 · N406PH · Bell 407 · Fuel Indicating System > SIGNAL COND UNIT READS 23 POUNDS LOW OF PROPER RANGE AT FULL LEVEL. - [SDR HEEA084342](https://openairdocs.org/sdr/HEEA084342.md): Indicator · failed · Feb 11, 2003 · N406PH · Bell 407 · Rotor Drive Indicating System > GEARBOX OIL PRESSURE INDICATOR SCALE IS BLANK, NO BARS ILLUMINATED. - [SDR HEEA084295](https://openairdocs.org/sdr/HEEA084295.md): Mount · worn · Feb 11, 2003 · N406PH · Bell 407 · Main Rotor Transmission Mount > RT REAR MAIN ROTOR GEARBOX MOUNT IS WORN. - [SDR HEEA084292](https://openairdocs.org/sdr/HEEA084292.md): Step · corroded · Feb 11, 2003 · N406PH · Bell 407 · Entrance Stairs > STEP PITTED BEYOND LIMITS. - [SDR HEEA083980](https://openairdocs.org/sdr/HEEA083980.md): Bearing · worn · Jan 17, 2003 · N406PH · Bell 407 · Engine Mount Section > ENGINE BIPOD MOUNT HAS A WORN BEARING. - [SDR HEEA083977](https://openairdocs.org/sdr/HEEA083977.md): Crosstube · damaged · Jan 17, 2003 · N406PH · Bell 407 · Main Landing Gear Strut/Axle/Truck > MLG CROSSTUBE SPREAD. - [SDR HEEA083942](https://openairdocs.org/sdr/HEEA083942.md): Rotor Head · out of balance · Jan 17, 2003 · N406PH · Bell 407 · Tail Rotor Head > UNABLE TO BALANCE TAIL ROTOR HEAD. REPAIRED. - [SDR HEEA083932](https://openairdocs.org/sdr/HEEA083932.md): Spring · broken · Jan 17, 2003 · N406PH · Bell 407 · Main Rotor Head > MAIN ROTOR HEAD FRAHM ASSY HAS TWO BROKEN SPRINGS. - [SDR HEEA083788](https://openairdocs.org/sdr/HEEA083788.md): Filter · bypassing · Jan 15, 2003 · N406PH · Bell 407 · Aircraft Fuel Filter/Strainer > FILTER BYPASS INDICATOR POPPED. REPLACED WITH SERVICEABLE PART. - [SDR HEEA083760](https://openairdocs.org/sdr/HEEA083760.md): Filter · bypassing · Jan 15, 2003 · N406PH · Bell 407 · Aircraft Fuel Filter/Strainer > BYPASS INDICATOR POPPED. SCRAPPED. - [SDR HEEA083714](https://openairdocs.org/sdr/HEEA083714.md): Pump · noisy · Jan 15, 2003 · N406PH · Bell 407 · Hydraulic Pump (Electric/Engine), Main > HYD PUMP MAKING NOISE INTERMITTENTLY. - [SDR HEEA083662](https://openairdocs.org/sdr/HEEA083662.md): Control Box · malfunctioned · Jan 14, 2003 · N406PH · Bell 407 · Audio/Video Monitoring > DATA BOX SKYWATCH UNREADABLE CAUSING FALSE TARGETS TO DISPLAY. COULD NOT DUPLICATE PROBLEM. BENCH CHECK GOOD. - [SDR HEEA083661](https://openairdocs.org/sdr/HEEA083661.md): Control Box · malfunctioned · Jan 14, 2003 · N406PH · Bell 407 · Weather Radar System > DATA BOX SKYWATCH UNREADABLE CAUSING FALSE TARGETS TO DISPLAY. COULD NOT DUPLICATE PROBLEM. BENCH CHECK GOOD. - [SDR HEEA083655](https://openairdocs.org/sdr/HEEA083655.md): Display · erratic · Jan 14, 2003 · N406PH · Bell 407 · Weather Radar System > WEATHER RADAR INDICATOR ERRATIC DURING FLIGHT. - [SDR HEEA083649](https://openairdocs.org/sdr/HEEA083649.md): Hose · kinked · Jan 14, 2003 · N406PH · Bell 407 · Aircraft Fuel Distribution System > FUEL HOSE ASSY KINKED. - [SDR HEEA083647](https://openairdocs.org/sdr/HEEA083647.md): Hose · kinked · Jan 14, 2003 · N406PH · Bell 407 · Aircraft Fuel Distribution System > FUEL HOSE KINKED. - [SDR HEEA083629](https://openairdocs.org/sdr/HEEA083629.md): Battery · discharged · Jan 14, 2003 · N406PH · Bell 407 · Battery/Charger System > BATTERY HAS LOW CHARGE. REPAIRED. - [SDR HEEA083481](https://openairdocs.org/sdr/HEEA083481.md): Mast · damaged · Jan 10, 2003 · N406PH · Bell 407 · Main Rotor Mast/Swashplate > MAIN ROTOR MAST HAS DAMAGE IN CONE SEAT AREA. - [SDR HEEA088935](https://openairdocs.org/sdr/HEEA088935.md): Windshield · crazed · Jul 19, 2002 · N406PH · Bell 407 · Flight Compartment Windows > WINDSHIELD CRAZED. - [SDR HEEA088934](https://openairdocs.org/sdr/HEEA088934.md): Windshield · crazed · Jul 19, 2002 · N406PH · Bell 407 · Flight Compartment Windows > WINDSHIELD CRAZED. - [SDR HEEA080258](https://openairdocs.org/sdr/HEEA080258.md): Exhaust Stack · cracked · Jun 27, 2002 · N406PH · Bell 407 · Engine Collector/Tailpipe/Nozzle > EXHAUST STACK CRACKED ON AFT SEAM. - [SDR HEEA080207](https://openairdocs.org/sdr/HEEA080207.md): Bleed Valve · failed · Jun 26, 2002 · N406PH · Bell 407 · Compressor Bleed Valve > HIGH TOT. REPLACED WITH SERVICEABLE BLEED VALVE. - [SDR HEEA080173](https://openairdocs.org/sdr/HEEA080173.md): Frame · cracked · Jun 26, 2002 · N406PH · Bell 407 · Fuselage Main, Frame > FRAME CRACKED UPPER RT CORNER. - [SDR HEEA080059](https://openairdocs.org/sdr/HEEA080059.md): Support · damaged · Jun 11, 2002 · N406PH · Bell 407 · Fuselage Miscellaneous Structure > BOTTOM HOLE ON SUPPORT IS ELONGATED. - [SDR HEEA080007](https://openairdocs.org/sdr/HEEA080007.md): Cylinder · weak · Jun 10, 2002 · N406PH · Bell 407 · Main Rotor Brake > ROTOR BRAKE WEAK - MASTER CYLINDER LEAKS INTERNALLY. - [SDR HEEA079224](https://openairdocs.org/sdr/HEEA079224.md): Cartridge · damaged · May 24, 2002 · N406PH · Bell 407 · Fuel Boost Pump > BOOST PUMP CARTRIDGE IS INTERMITTENT WITH LOW PRESSURE. REPLACED WITH SERVICEABLE PART. - [SDR HEEA079027](https://openairdocs.org/sdr/HEEA079027.md): Nozzle · damaged · May 15, 2002 · N406PH · Bell 407 · Fuel Injector Nozzle > INTERMITTENT STARTING PROBLEMS. REPLACED WITH SERVICEABLE FUEL NOZZLE. - [SDR HEEA079006](https://openairdocs.org/sdr/HEEA079006.md): Disc Pack · cracked · May 15, 2002 · N406PH · Bell 407 · Tail Rotor Drive Shaft > TAIL ROTRO DISC PACK IS CRACKED. - [SDR HEEA079000](https://openairdocs.org/sdr/HEEA079000.md): Mount · delaminated · May 15, 2002 · N406PH · Bell 407 · Tail Rotor Head > MOUNT COLLAPSED, DELAMINATED ON TAIL ROTOR. - [SDR HEEA078967](https://openairdocs.org/sdr/HEEA078967.md): Crosstube · damaged · May 15, 2002 · N406PH · Bell 407 · Main Landing Gear Strut/Axle/Truck > LANDING GEAR CROSSTUBE SPREAD OUT OF LIMITS. Next page: https://openairdocs.org/aircraft/N406PH/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 = 'N406PH' AND registry_match = 'registration' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/aircraft/N406PH/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.