N904HD

Service difficulty reports not matched to an aircraft · 23

They name N904HD, 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 = 'N904HD' 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 9JLA2022090120106Windshield · defectiveFLIGHT CREW REPORTED THAT A RIGHT WINDSHIELD HEAT FAULT CAS MESSAGE (WHITE) IS ILLUMINATED AFTER SYSTEM IS ACTIVATED. THIS AIRCRAFT WAS GROUNDED FOR AN EXTENDED PERIOD DUE TO PARTS AVAILABILITY. THE MAINTENANCE PROVIDER REMOVED AND REPLACED THE DEFECTIVE WINDSMay 4, 2022 · N904HD · Lear 45LEAR · Flight Compartment WindowsSDR 9JLA2021081620341Windshield · delaminatedFLIGHT CREW REPORTED THE PILOTS SIDE WINDSCREEN DELAMINATING. THE MAINTENANCE VENDOR REMOVED THE WINDSCREEN AND INSTALLED NEW. OPERATIONS CHECKS OK, AIRCRAFT WAS RETURNED TO SERVICE.Aug 7, 2021 · N904HD · Lear 45LEAR · Flight Compartment WindowsSDR 9JLA2021052720336Signal Cond Unit · defectiveTHE FLIGHT CREW REPORTED A WHITE "FUEL QUANTITY FAULT" MESSAGE ON THE EICAS. THE MAINTENANCE TEAM TROUBLESHOT AND DETERMINED THAT THE FUEL SIGNAL CONDITIONER WAS DEFECTIVE. THE DEFECTIVE UNIT WAS REMOVED AND AN OVERHAULED UNIT WAS INSTALLED. OPERATIONAL CHECKSMay 24, 2021 · N904HD · Lear 45LEAR · Fuel Indicating SystemSDR 9JLA2015060203922Altimeter · faultyTHE CREW REPORTED THAT THE STAND-BY ALT WAS NOT VIBRATING. TOTAL TIME ON STAND-BY ALTIMETER 53.8 HRS. PN 16650-114, SN 17353. THE DEFECTIVE UNIT WAS REMOVED & AN OVERHAULED UNIT INSTALLED.Jun 1, 2015 · N904HD · Lear 45LEAR · Altimeter, Barometric/EncoderSDR 9JLA2015060203918Bracket · damagedDURING THE POST FLIGHT INSPECTION, THE FLIGHT CREW DISCOVERED THAT THE BRACKET & ROD CONNECTING THE LT MLG DOOR TO THE LT MLG WAS DAMAGED & BROKEN. THE DAMAGE LANDING COMPONENTS WERE R & R WITH NEW & IMPROVED PARTS. THE FAILURE OF THE LG DOOR ROD BRACKET CAUMay 13, 2015 · N904HD · Lear 45LEAR · Landing Gear Door Retract SectionSDR 9JLA2015060203914Selector Switch · defectiveTHE FLIGHT CREW REPORTED THAT DURING THE APPROACH FOR LANDING WHEN THE GEAR WAS SELECTED DOWN THE LG DID NOT EXTEND, 3 WHITE GEAR LIGHTS, BUT NO GREEN LIGHTS. ON THE SECOND ATTEMPT THE GEAR EXTENDED NORMALLY & LOCKED DOWN. TROUBLE SHOT & FOUND THE LG SELECTOApr 1, 2015 · N904HD · Lear 45LEAR · Landing Gear SelectorSDR 9JLA2014091003904Computer · faultyA RT STALL WARNING FAIL CAS MSG INTERMITTENTLY BEING DISPLAYED DURING FLIGHT. THE CREW COMPLETED THE REQUIRED CHECKLIST ITEMS, BUT CORRECTIVE ACTIONS DIDN'T CORRECT THE ISSUE. TROUBLE SHOT THE RT STALL WARNING SYS & FOUND THE DUAL STALL WARNING COMPUTER FAUJul 7, 2014 · N904HD · Lear 45LEAR · Stall Warning SystemSDR 9JLA20140617001Hydraulic Line · rupturedJUST FINISHED UP POST MX AIRFRAME & ENG CHECKS & WERE TAXIING BACK ONTO THE FBO RAMP FROM THE RUNUP AREA WHEN THEY HEARD A HYD PUMP CAVITATE & NOTED PRESS LOSS ON THE LT SIDE. THEY THOUGHT THEY HAD AN AIR BUBBLE FROM ALL OF THE COMPONENTS THAT HAD BEEN REMOVEJun 10, 2014 · N904HD · Lear 45LEAR · Hydraulic System, MainSDR 9JLA201404073098Wire Harness · defectiveCREW REPORTED THAT THE NOSE WHEEL STEERING FAILED ON TAXI. THE STEERING COULD BE RESET, BUT WOULD NOT STAY ENGAGED. TROUBLESHOOTING FOUND THE NOSE WHEEL STEERING ELEC HARNESS TO BE DEFECTIVE & WAS REPLACED WITH NEW.Feb 10, 2014 · N904HD · Lear 45LEAR · Landing Gear System WiringSDR 9JLA201402173098Wire Harness · defectiveCREW REPORTED THAT THE NOSE WHEEL STEERING SYS HAD BEEN INTERMITTENT ON A FEW LEGS. ON THIS THIS LAST LEG DURING TAXI OUT FOR TAKEOFF THE STEERING WOULD NOT STAY ENGAGED AFTER RESET & THE CREW RETURNED TO BLOCKS. TROUBLESHOOTING FOUND THE NOSE WHEEL STEERING HFeb 10, 2014 · N904HD · Lear 45LEAR · Landing Gear System WiringSDR 9JLA201401153095Computer · defectiveDURING PREFLIGHT OPERATIONS IT WAS DISCOVERED THAT THE RT STALL WARNING SYS HAD FAILED. THE DEFECTIVE DUAL STALL WARNING COMPUTER SN 283 WAS REMOVED & AN INSPECTED STALL WARNING COMPUTER WAS INSTALLED IAW AMM 27-31-02.Dec 14, 2013 · N904HD · Lear 45LEAR · Stall Warning SystemSDR 9JLA2013092300898Pcb · defectiveTHE FLIGHT CREW REPORTED THAT AFTER THE NR 2 ENGINE WAS STARTED AND THE GENERATOR WAS ON-LINE. NR 2 GENERATOR WAS INDICATION HIGH VOLTAGE. TROUBLESHOOTING FOUND NR 2 GENERTATOR CONTROL PCB DEFECTIVE. PCB REPLACED WITH A NEW BOARD, FUNCTIONAL CHECKS WERE SATISep 13, 2013 · N904HD · Lear 45LEAR · DC Generating SystemSDR 9JLA1206201300893Flex Line · leakingDURING CLIMB AT FL310 WITH OAT -20C AND ANTI-ICE ON IN IMC CONDITIONS, THE RED CAS MESSAGE "WING/STAB LEAK" APPEARED. THE CHECKLIST WAS RUN AND THE MESSAGE WENT OUT. BOTH PILOT AND COPILOT CIRCUIT BREAKERS WERE PULLED IAW THE CHECKLISTS. MX TROUBLESHOOTING FJun 8, 2013 · N904HD · Lear 45LEAR · Airfoil Anti/De-ice SystemSDR 9JLA20120716QFKHDrive Unit · defectiveTHE CREW REPORTED THAT DURING APPROACH TO LANDING THE FLAPS WOULD FAIL BETWEEN 30 DEGREES AND 40 DEGREES. EXTENSIVE TROULESHOOTING UNDER THE GUIDENCE OF TECH SUPPORT FOUND THE FLAP POWER UNIT DEFECTIVE. UNIT WAS REPLACED WITH A MODIFIED FLAP DRIVE UNIT. THIS Jun 10, 2012 · N904HD · Lear 45LEAR · Trailing Edge Flap Control SystemSDR 9JLA2012071600799Fuel Control · leakingCREW REPORTED THE NR 2 ENGINE FUEL CONTROL IS LEAKING WITH THE APU RUNNING. THE LEAKING FUEL CONTROL WAS REMOVED AND A O/H FUEL CONTROL WAS INSTALLED ONTO ENGINE. FUNCTIONAL CHECKS SATISFACTORY.Apr 23, 2012 · N904HD · Lear 45LEAR · Fuel Control/Turbine EnginesSDR 9JLA2012032200793Wire · brokenDURING APPROACH, FLAPS WOULD NOT EXTEND PAST 20 DEGREES. AFTER LANDING, FLAPS STILL FAILED TO RETRACT. TROUBLESHOOTING REVEALED HYD FLUID LEAKING FROM FLAP POWER UNIT. FLAP POWER UNIT REPLACED. FUNCTIONAL CHECKED SATISFACTORY. SAME PROBLEM OCCURRED ON NEXT Mar 17, 2012 · N904HD · Lear 45LEAR · Flight Control System WiringSDR 9JLA2012031300791Power Unit · defectiveDURING APPROACH, CREW WAS UNABLE TO EXTEND FLAPS PAST THE 8 DEGREE SETTING. THE ACFT LANDED WITHOUT INCIDENT. AFTER LANDING, FLAPS OPERATED CORRECTLY. TROUBLESHOOTING IDENTIFIED THE FLAP POWER UNIT (FPU) AS BEING DEFECTIVE. REPLACED UNIT WITH REPAIRED FLAP DRMar 9, 2012 · N904HD · Lear 45LEAR · Trailing Edge Flap Control SystemSDR 9JLA2011101300781Shutoff Valve · failedCREW REPORTED AFTER ENGINE START AND SPOILER CHECK RECEIVED A "SPOILER FAIL" CAS MESSAGE, MESSAGE WOULD NOT CLEAR. TROUBLESHOOTING FOUND THAT THE SPOILERON COMPUTER DEFECTIVE. THE COMPUTER WAS REPLACED WITH A REPAIRED COMPUTER, HALF WAY THROUGH THE CONFIGURAOct 13, 2011 · N904HD · Lear 45LEAR · Drag Control SystemSDR 9JLA2011071000779Display · defectiveTHE CREW REPORTED DURING THE PREFLIGHT FOUND DU NR 3 BLANK/INOP. TROUBLESHOT AND FOUND THE NR 3 DISPLAY UNIT TO BE DEFECTIVE. REMOVED THE DISPLAY UNIT P/N 7014300-901 S/N 0808H441. INSTALLED A NEW DISPLAY UNIT FUNCTIONAL CHECKS SATISFACTORY. REF: LEAR 45 AMSep 9, 2011 · N904HD · Lear 45LEAR · Central DisplaySDR 9JLA00773Fuel Line · leakingCREW REPORTED FUEL DRIPPING FROM AIRCRAFT OVERBOARD DRAIN LINE ASSOCIATED WITH THE APU. TROUBLESHOOTING FOUND THE HIGH PRESSURE FUEL LINE INLET CONNECTION AT THE FUEL NOZZLE MANIFOLD TO BE DRIPPING FUEL ONTO THE HOT APU ENGINE WHEN RUNNING. A CONICAL SEAL WAMay 4, 2011 · N904HD · Lear 45LEAR · APU Engine Fuel and ControlSDR 9JLA20110415001Audio/Video Unit · defectiveTHE CREW REPORTED THAT THE PASSENGER BRIEFER AUDIO IS VERY LOW. TROUBLESHOOTING DISCOVERED THAT THE CABIN AUDIO P/N PA-7500A S/N 110000774 WAS DEFECTIVE. REMOVED UNIT FOR REPAIRS. WAITED SIX WEEKS FOR AUDIO INTERNATIONAL TO REPAIR UNIT. INSTALLED SAME UNITApr 15, 2011 · N904HD · Lear 45LEAR · Audio/Video MonitoringSDR 2011FA0000104Computer · failedDURING THE TAKEOFF ROLL AFTER REACHING TAKEOFF THRUST, AND AROUND 80 KIAS RECIEVED A RT ENG COMPUTER FAULT CASS MESSAGE. ABORTED TAKEOFF. RAN ABNORMAL CHECKLIST FOR FAULT AND WAS ABLE TO RESET THE RT ENGINE COMPUTER. TAXIED BACK TO TAKEOFF AGAIN. ON THE SEJan 28, 2011 · N904HD · Lear 45LEAR · Engine ControlsSDR 9JLA1283Muffler · crackedDURING ROUTINE MX ON THE HYD SYS, MX DISCORVERED THAT SOME OF THE INSULATION SURROUNDING THE COCKPIT AIR DUCT MUFFLER ASSY ON THE FLOOR STRUCTURE IN THE AFT BAGGAGE AREA. INVESTIGATION REVEALED THAT THE MUFFLER WAS CRACKED IN 2 AREAS ALONG THE VERTICAL SIDE AMar 8, 2010 · N904HD · Lear 45LEAR · Air Distribution System
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