N401PH

Service difficulty reports not matched to an aircraft · 38

They name N401PH, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft. Newest first.

Query with SQL
duckdb -csv -c "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 = 'N401PH' AND registry_match IS NULL
  ORDER BY difficulty_date DESC"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

SDR HEEA060474Transducer · failedPRESSURE TRANSDUCER'S TORQUE INDICATION FELL TO ZERO.Jan 25, 1999 · N401PH · Bolkms BK117A3 · Engine BMEP/Torque IndicatingSDR HEEA0016753Static Inverter · inoperativeSTATIC INVERTER INOPERATIVE, NO POWER.Nov 6, 1998 · N401PH · Bolkms BK117A3 · AC InverterSDR HEEA0016735Audio Control · failedNO SIDETONE WHEN TRANSMITTING ON VHF OR FM.Nov 6, 1998 · N401PH · Bolkms BK117A3 · Interphone/Passenger Announcement (PA) SystemSDR HEEA0016724Encoder · malfunctionedENCODER SKIPPING ELEVATORS IN REPORTING MODE.Nov 6, 1998 · N401PH · Bolkms BK117A3 · Altimeter, Barometric/EncoderSDR HEEA0016701Transceiver · weakTRANSCEIVER TRANSMITS VERY WEAK OR NOT AT ALL.Nov 6, 1998 · N401PH · Bolkms BK117A3 · VHF Communications SystemSDR HEEA0016696Starter · failedSTARTER WOULD NOT MOTOR ENGINE.Nov 6, 1998 · N401PH · Bolkms BK117A3 · Starter-GeneratorSDR HEEA0016647Transponder · failedTRANSPONDER DISPLAY COMES UP 7777 WHEN UNIT IS TURNED ON.Nov 5, 1998 · N401PH · Bolkms BK117A3 · ATC Transponder SystemSDR HEEA0015734Control Unit · failedCONTROL UNIT SHORTED AND TRIPPED CIRCUIT BREAKER.Aug 20, 1998 · N401PH · Bolkms BK117A3 · Flight Compartment LightingSDR HEEA0015371Control Unit · malfunctionedCONROL UNIT HAS INTERMITTENT LIGHT SURGES.Jul 29, 1998 · N401PH · Bolkms BK117A3 · Flight Compartment LightingSDR HEEA0014722Control Unit · malfunctionedCOPILOT INSTRUMENT LIGHT PROBLEM.Jun 10, 1998 · N401PH · Bolkms BK117A3 · Flight Compartment LightingSDR HEEA0014640Filter · failedENGINE OIL FILTER'S BYPASS BUTTON POPS AFTER ENGINE OPERATION.Jun 8, 1998 · N401PH · Bolkms BK117A3 · Turbine Engine Oil SystemSDR HEEA0014196End Plate · crackedHORIZ STAB V FIN VERT END PLATE HAS THREE INCH CRACK AFT OF MOUNTING FLANGE.May 12, 1998 · N401PH · Bolkms BK117A3 · Horizontal Stabilizer StructureSDR HEEA0013829Indicator · intermittentAIRSPEED INDICATOR LIGHTS INTERMITTENT.Apr 2, 1998 · N401PH · Bolkms BK117A3 · Airspeed/Mach IndicatorSDR HEEA0013317Indicator · failedNR1 SUPPLY INOPERATIVE.Mar 5, 1998 · N401PH · Bolkms BK117A3 · Fuel Quantity IndicatorSDR HEEA0013183Receiver · failedDOES NOT TRANSMIT.Mar 4, 1998 · N401PH · Bolkms BK117A3 · VHF Communications SystemSDR HEEA0012698Control · failedDISPLAY DOES NOT LIGHT UP. PERFORMED PRELIMINARY INSPECTION. FOUND NO DISPLAY. SWAPPED DISPLAY DS103. NO HELP. SWAPPED BOARDS. FOUND PROBLEM ON PROCESSOR BOARD. TROUBLESHOT AND FOUND BROKEN FOIL ON BOARD. REPAIRED BROKEN FOIL, REPAIRED, INSTALLED MOD 2 Jan 26, 1998 · N401PH · Bolkms BK117A3 · ATC Transponder SystemSDR HEEA0012428Inner Sleeve · wornT/R HEAD BEARING BUSHING SEATS AND SEAL RIDE WORN.Jan 5, 1998 · N401PH · Bolkms BK117A3 · Tail Rotor HeadSDR HEEA0012080Control Unit · failedCONTROL POPS CIRCUIT BREAKER.Nov 19, 1997 · N401PH · Bolkms BK117A3 · Flight Compartment LightingSDR HEEA0011863Transceiver · failedRT138 PIN ON FRONT CONNECTOR BROKEN. POPS CIRCUIT BREAKER.Nov 10, 1997 · N401PH · Bolkms BK117A3 · VHF Communications SystemSDR HEEA0011859Transceiver · failedTRANSCEIVER WILL NOT TRANSMIT. FOUND VR3 VOLTAGE REGULATOR ON VCO CONTROL BOARD INOPERATIVE. REPLACED VOLTAGE REGULATOR. REPAIRED UNIT. BENCH CHECK GOOD.Nov 10, 1997 · N401PH · Bolkms BK117A3 · VHF Communications SystemSDR HEEA0011689Indicator · failedRPM INDICATOR WILL NOT INDICATE.Oct 22, 1997 · N401PH · Bolkms BK117A3 · Engine RPM Indicating SystemSDR HEEA0011178Indicator · failedAIR SPEED NEEDLE DOES NOT RETURN TO ZERO ON INDICATOR.Oct 2, 1997 · N401PH · Bolkms BK117A3 · Airspeed/Mach IndicatorSDR HEEA0010360Indicator · reads highN1 READS HIGH AT 90% AND ABOVEJun 26, 1997 · N401PH · Bolkms BK117A3 · Engine RPM Indicating SystemSDR HEEA0010064Transducer · erraticENG TORQUE ERRATIC READINGS.Jun 6, 1997 · N401PH · Bolkms BK117A3 · Engine BMEP/Torque IndicatingSDR HAIHEEA9369Actuator · leakACTUATOR LEAK BETWEEN ELECTRO MECHANICAL ACTUATOR AND HYDRAULIC SERVO BODY.Apr 16, 1997 · N401PH · Bolkms BK117A3 · Tail Rotor Control SystemSDR HEEA979157Fuel Pump · leakingON ENGINE INSTALLATION RUNUPS FUEL FOUND LEAKING EXCESSIVELY FROM FUEL PUMP CASE DRAIN. REPLACED FUEL PUMP.Mar 3, 1997 · N401PH · Bolkms BK117A3 · Engine Fuel PumpSDR HEEA979028Transmitter · defectiveUNIT TRANSMITS LOW.Feb 10, 1997 · N401PH · Bolkms BK117A3 · Main Rotor Indicating SystemSDR HEEA979027Indicator · faultyLIMIT LIGHT COMES ON TOO SOON.Feb 10, 1997 · N401PH · Bolkms BK117A3 · Main Rotor Indicating SystemSDR HEEA968729Indicator · intermittentINDICATOR INTERMITTENT. TIME SINCE REPAIR 31:25.Dec 13, 1996 · N401PH · Bolkms BK117A3 · Main Rotor Indicating SystemSDR HEEA968728Transmitter · intermittentTORQUE TRANSMITTER INTERMITTENT. TIME SINCE REPAIR 31:25.Dec 13, 1996 · N401PH · Bolkms BK117A3 · Main Rotor Indicating SystemSDR HEEA968400Indicator · reads highTOT INDICATOR READS 10-15 PERCENT C HIGH THROUGHOUT RANGE.Oct 25, 1996 · N401PH · Bolkms BK117A3 · Engine EGT/TIT Indicating SystemSDR HEEA968182Indicator · lights inopINSTRUMENT LIGHTS ON 1/2 WORK. FOUND 4 BURNT LAMPS. PERFORMED PRELIMINARY INSPECTION. REPLACED 4 EACH LAMPS. PERFORMED COMPLETE CALIBRATION AND ALIGNMENT. BENCH CHECK GOOD.Oct 10, 1996 · N401PH · Bolkms BK117A3 · Ground Proximity SystemSDR HEEA968077Transceiver · defectiveWILL NOT TRANSMIT. FOUND UNIT TO HAVE INTERMITTENT TRANSMIT POWER AND WEAK RECEIVER SENSITIVITY. ADJUSTED PRESELECTOR TUNING VOLTAGE AND ALIGNED RECEIVER, REPAIRED RECEIVER SENSE PROBLEM. UNIT HAS INTERMITTENT TRANSMIT PROBLEM FROM 138-140MHZ, REPLACED VCO MOct 3, 1996 · N401PH · Bolkms BK117A3 · VHF Communications SystemSDR HEEA967610Transciever · inoperativeRECEIVER INOPERATIVE.Jul 31, 1996 · N401PH · Bolkms BK117A3 · VHF Communications SystemSDR HEEA967260Skynav 5000 · defectiveDOES NOT RETAIN USER WAYPOINT MEMORY.May 22, 1996 · N401PH · Bolkms BK117A3 · Global Positioning SystemSDR HEEA966792Horizon Gyro · failedGYRO TUMBLES WHILE CAGING, FLAG PULL IS SLOW, CAUSES PITCH/ROLL CSAS TO BE UNRELIABLE.Feb 28, 1996 · N401PH · Bolkms BK117A3 · Attitude Gyro and Indicating SystemSDR HEEA954960Control Unit · defectiveCANNOT CHANGE FREQUENCIES. REPLACED BAD TRANSFER SWITCH S102. REPAIRED. REPLACED WEAK DISPLAY DS101 AND FADED LENS. REPLACED HEADER P201 AND APPLIED HUMISEAL TO HEADER FOR CORROSION CONTROL. BENCH CHECK GOOD.May 10, 1995 · N401PH · Bolkms BK117A3 · VHF Communications SystemSDR HEEA954481Audio Control · defectiveBOTH VHF'S GARBLED AND BLEED OVER (VHF1 TO VHF2) REPLACED C309 P/N 10-36-227, BENCH TEST GOOD WITH NAT TS-AA TEST PANEL.Mar 2, 1995 · N401PH · Bolkms BK117A3 · Audio Integrating System
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