# Service difficulty reports: N71CK A list on [N71CK](https://openairdocs.org/aircraft/N71CK.md). Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first. - [SDR KC8A2018090409118](https://openairdocs.org/sdr/KC8A2018090409118.md): Modulating Valve · faulty · Aug 28, 2018 · N71CK · Lear 36A · Pneumatic Distribution System > TROUBLESHOT EXCESSIVE HEAT IN CABIN, FOUND LEFT ENGINE MODULATING SHUT-OFF VALVE DEFECTIVE, STAYING IN FULL PRESSURE BLEED. VALVE WAS NOT REGULATING CORRECTLY. REPLACED VALVE WITH REPAIRED VALVE, PERFORMED PRESSURIZATION OPERATIONAL CHECKS. NO DEFECTS NOTED. A - [SDR KC8A201808300018](https://openairdocs.org/sdr/KC8A201808300018.md): Unknown · smoke · Aug 28, 2018 · N71CK · Lear 36A · Air Distribution System > AFTER TAKE OFF, CREW NOTICED EXCESSIVE HEAT IN CABIN, SMOKE IN CABIN COMING FROM ARM REST DUCTING OUTLETS. BOTH ENGINE MODULATING SHUT OFF VALVES SELECTED CLOSED BY CREW, SMOKE QUIT, HEAT SUBSIDED. CREW DECLARED AN EMERGENCY AND RETURNED TO BASE. OPEN. - [SDR KC8A20131104010](https://openairdocs.org/sdr/KC8A20131104010.md): Pump · overheated · Nov 3, 2013 · N71CK · Lear 36A · Passenger Compartment Equipment > MEDICAL CREW NOTICED AN ODOR COMING FROM THE MEDICAL STRETCHER BASE. THEY FOUND THE PRESSURE PUMP WAS GETTING WARM AND ELECTED TO TURN UNIT OFF. ODOR WENT AWAY. CREW DEFERED THE STRETCHER BASE ELECTRICAL AND DISCONNECTED IT. OPERATED THE REMAINDER OF THE TR - [SDR KC8A20130304001](https://openairdocs.org/sdr/KC8A20130304001.md): Door Seal · pinched · Feb 28, 2013 · N71CK · Lear 36A · Passenger/Crew Doors > DURING CRUISE FLIGHT, THE CAPTAIN NOTICED THE CABIN ALTITUDE CLIMBING SLOWLY. THE CABIN ALTITUDE CLIMBED TO THE POINT OF SETTING OFF THE EMERGENCY PRESSURIZATION VALVES WHICH DROVE THE CABIN ALTITUDE DOWN. THE CREW ELECTED TO LAND AT THE NEAREST AIRPORT FOR - [SDR KC8AN71CK](https://openairdocs.org/sdr/KC8AN71CK.md): Door Frame · cracked · Mar 13, 2009 · N71CK · Lear 36A · Passenger/Crew Doors > DURING ROUTINE AIRCRAFT INSPECTION TWO CRACKS WHERE FOUND IN THE LOWER CABIN DOOR AFT FRAME. ONE CRACK LOCATED IN THE BOTTOM OUTBOARD DOOR CABLE PULLEY BRACKET SCREW HOLE, THE OTHER WAS LOCATED AROUND THE BOTTOM AFT DOOR PIN HOLE. CRACKS WHERE REPAIRED IN AC - [SDR N71CK](https://openairdocs.org/sdr/N71CK.md): Limiter · damaged · Mar 18, 2008 · N71CK · Lear 36A · Air Distribution System > DURING CLIMB, THE CREW NOTICED THE CABIN ALTITUDE CLIMBING. FOLLOWING PROCEDURES IN THE AIRCRAFT FLIGHT MANUAL, THE CREW NOTIFIED ATC OF THE PROBLEM AND DESCENDED TO A LOWER ALTITUDE AND RETURNED TO YIP. MAINTENANCE PERSONNEL FOUND THE PRESSURIZATION DUCT TE - [SDR N71CK81407](https://openairdocs.org/sdr/N71CK81407.md): Fire Loop · out of position · Aug 13, 2007 · N71CK · Lear 36A · Fire Detection > THIS IS AN UPDATE TO THE PREVIOUS SDR DATED 8/13/2007. RT ENGINE FIRE WARNING LIGHT ILLUMINATED DURING FLIGHT. INVESTIGATION FOUND THE AFT FIRE SENSE LOOP IN THE TAIL CONE OF THE ENGINE WAS CHAFING ON THE TAIL PIPE AT A CERTAIN POWER SETTING. DUPLICATED DIS - [SDR N71CK81307](https://openairdocs.org/sdr/N71CK81307.md): Fire Warning · false activation · Aug 13, 2007 · N71CK · Lear 36A · Fire Detection > RT ENGINE HAD A FIRE WARNING LIGHT ILLUMINATE. THE CAUSE OF THE WARNING HAS NOT BEEN DETERMINED AS OF THIS DATE. THERE IS NO INDICATION OF A FIRE OR A HOT SPOT ON THIS ENGINE OR ENGINE NACELLE. THERE WILL BE A FOLLOW-UP SDR WITH THE RESULTS OF INVESTIGATION - [SDR 82206N71CK](https://openairdocs.org/sdr/82206N71CK.md): O-Ring · torn · Aug 21, 2006 · N71CK · Lear 36A · Turbine Engine Oil System > ENGINE OIL PRESSURE WAS FLUCTUATING DURING CRUISE. ENGINE WAS SHUTDOWN AS A PRECAUTIONARY MEASURE. AIRCRAFT RETURNED TO DEPARTURE. FOUND RT ENGINE OIL TANK FILLER CAP O-RING TORN. OIL LEVEL WAS DOWN 2.5 QTS. REPLACED O-RING WITH NEW, SERVICED ENGINE OIL WITH - [SDR KC82006F00002](https://openairdocs.org/sdr/KC82006F00002.md): Fillercap · leaking · Feb 27, 2006 · N71CK · Lear 36A · Turbine Engine Oil System > RT ENGINE OIL PRESSURE LOW AFTER TAKEOFF. AIRCRAFT RETURNED FOR MAINTENANCE. AFTER ARRIVAL BACK TO THE AIRPORT, PILOT FOUND OIL LEAKING FROM COWLING DRAIN, AND OIL LEVEL WAS LOW. MECHANIC FOUND OIL FILLER CAP SEAL TORN IN HALF. REPLACED SEAL, SERVICED ENGI - [SDR KC82006F00001](https://openairdocs.org/sdr/KC82006F00001.md): Seal · torn · Feb 27, 2006 · N71CK · Lear 36A · Turbine Engine Oil System > RT ENGINE OIL PRESSURE LOW AFTER TAKEOFF. AC RETURNED FOR MAINTENANCE. AFTER ARRIVAL BACK TO THE AIRPORT, THE PILOT FOUND OIL LEAKING FROM COWLING DRAIN, AND OIL LEVEL WAS LOW. MECHANIC FOUND OIL FILLER CAP SEAL TORN IN HALF. REPLACED SEAL, SERVICED ENGINE - [SDR KC82006F00000](https://openairdocs.org/sdr/KC82006F00000.md): Wire · arced · Dec 27, 2005 · N71CK · Lear 36A · Light System Wiring > PILOT REPORTED SMOKE IN THE COCKPIT. HE TURNED OF THE GLARESHIELD LIGHTING AND THE SMOKE STOPPED. FOUND GLARESHIELD FLORESCENT TUBE LEAD WIRES ARCING TO GROUND. REPLACED FLORESCENT TUBE WITH NEW FLORESCENT TUBE AND INSULTED LEAD WIRE ENDS. OPERATIONAL CHEC - [SDR KC82005F00007](https://openairdocs.org/sdr/KC82005F00007.md): Hose · leaking · Sep 7, 2005 · N71CK · Lear 36A · Hydraulic System, Main > CREW NOTICED A LOSS OF HYDRAULIC PRESSURE. PERFORMED EMERGENCY GEAR EXTENSION AND LANDED WITHOUT INCIDENT. AUX HYDRAULIC PUMP SUPPLIED PRESSURE FOR FLAPS AND BRAKES UPON LANDING. FOUND NOSE GEAR ACTUATOR RETRACT HOSE LEAKING AT BULKHEAD FITTING IN THE NOSE - [SDR KC82005F00006](https://openairdocs.org/sdr/KC82005F00006.md): Computer · erratic · Aug 16, 2005 · N71CK · Lear 36A · Fuel Controlling System > BEFORE TAKEOFF, THE PILOT NOTICED THAT THE ENGINE IDLE AND TAKEOFF RPM ERRATIC IN THE NORMAL ENGINE CONTROL MODE, IN MANUAL ENGINE CONTROL MODE, ENGINE PERFORMANCE AND RPM`S WERE STABLE. REPLACED ENGINE FUEL CONTROL COMPUTER WITH SERVICEABLE REPAIRED COMPUTER - [SDR KC82003F00002](https://openairdocs.org/sdr/KC82003F00002.md): Seal · leaking · Jul 29, 2003 · N71CK · Lear 36A · Engine Bleed Air System > PILOT REPORTED RIGHT BLEED AIR LIGHT ALUMINATED DURING FLIGHT. FOUND SEALS WERE LEAKING AND CAUSED THE RT BLEED ANNUNCIATOR TO LIGHT. PYLON AREA WAS INSPECTED IAW MM. SEALS WERE CHANGED, ENGINE RUNS PERFORMED AND DUCT LEAK CHECKED. - [SDR 13001N71CK](https://openairdocs.org/sdr/13001N71CK.md): Computer · inoperative · Feb 2, 2001 · N71CK · Lear 36A · Fuel Controlling System > LT ENGINE RPM ROLLED BACK 40 PERCENT DURING CLIMB, UNEVENTFULL LANDING ACCOMPLISHED. REPLACED LEFT ENGINE FUEL COMPUTER WITH SERVICEABLE UNIT. GROUND RUN AND FLIGHT TEST SATISFACTORY - [SDR 96ZZZX5830](https://openairdocs.org/sdr/96ZZZX5830.md): Valve · loose connector · Nov 8, 1996 · N71CK · Lear 36A · Cabin Pressure Control System > EMERGENCY PRESSURIZATION KICKED ON AT 14,500. TIGHTENED AND RE-SAFTIED CONNECTOR ON RT EMERGENCY BLEED VALVE. GROUND AND TEST FLIGHT CHECK NORMAL. ## 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 = 'N71CK' AND registry_match = 'registration' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/aircraft/N71CK/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.