# Service difficulty reports: N100WT A list on [N100WT](https://openairdocs.org/aircraft/N100WT.md). Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first. - [SDR 9JLA2019F00113](https://openairdocs.org/sdr/9JLA2019F00113.md): Lamp · burned out · Jan 10, 2019 · N100WT · Cessna 550 · Landing Gear Position and Warning > AT APPROXIMATELY 1030 AM LOCAL TIME, DEPARTED (KMOB) ON A CHARTER FLIGHT TO THE (AVL). ON APPROACH, THE FLIGHT CREW LOWERED THE LANDING GEAR BUT, DID NOT SEE THE GREEN LIGHTS FOR BOTH MAIN LANDING GEAR. A TEST OF THE LANDING GEAR INDICATOR LIGHTS REVEALED THAT - [SDR 9JLA2014072404699](https://openairdocs.org/sdr/9JLA2014072404699.md): Pin · disengaged · Jun 19, 2014 · N100WT · Cessna 550 · Main Landing Gear Attach Section > THE CREW REPORTED THAT DURING TAXI AFTER LANDING THE ACFT EXPERIENCED POWER BRAKE FAILURE & THE LO BRK PRESS & ANTISKID INOPERATIVE ANNUNCIATORS ILLUMINATED. EMER NITROGEN BRAKE SYS WAS USED TO STOP ON PARKING RAMP. POST FLIGHT CHECKS FOUND HYD FLUID LEAKING - [SDR 9JLA2014040904695](https://openairdocs.org/sdr/9JLA2014040904695.md): Display · faulty · Mar 13, 2014 · N100WT · Cessna 550 · Central Display > THE CREW REPORTED THAT DURING CRUISE THE STAND-BY FLIGHT DISPLAY IS INDICATING AN INCORRECT FLIGHT ATTITUDE, OVER 10 DEGREES OF ERROR. THE DEFECTIVE DISPLAY WAS REMOVED SN M002014 & AN OVERHAULED UNIT SN M002358 WAS INSTALLED. - [SDR 9JLA2014040904694](https://openairdocs.org/sdr/9JLA2014040904694.md): Display · faulty · Mar 12, 2014 · N100WT · Cessna 550 · Central Display > CREW REPORTED THAT THE NEWLY INSTALLED, OVERHAULED STAND-BY FLIGHT DISPLAY FLICKERS WHEN DIMMED. THE DEFECTIVE UNIT SN M001484 WAS REMOVED & AN OVERHAULED UNIT WAS INSTALLED SN M002014. FUNCTIONAL CHECKS SATISFACTORY. - [SDR 9JLA2014040904691](https://openairdocs.org/sdr/9JLA2014040904691.md): Indicator · failed · Feb 27, 2014 · N100WT · Cessna 550 · Attitude and Direction Data System > STAND-BY ATTITUDE INDICATOR, FAILS AT THE END OF ITS INITIALIZATION. REMOVED SECONDARY FLIGHT DISPLAY SN M003002, INSTALLED EXCHANGE DISPLAY M003633. FUNCTIONAL CHECKED SATISFACTORY. - [SDR 9JLA2014040904692](https://openairdocs.org/sdr/9JLA2014040904692.md): Display · failed · Feb 19, 2014 · N100WT · Cessna 550 · Central Display > CREW REPORTED NEWLY INSTALLED, OVERHAULED STAND-BY FLIGHT DISPLAY, BECAME BLANK IN FLIGHT., AFTER SEVERAL MINUTES THE UNIT RESET THEN REINITIALIZED ITSELF. DISPLAY FUNCTION WAS NORMAL FOR THE REMAINDER OF THE FLIGHT. R & R UNIT WITH OVERHAULED UNIT REMOVED - [SDR 9JLA2014021300468](https://openairdocs.org/sdr/9JLA2014021300468.md): Position Switch · failed · Feb 7, 2014 · N100WT · Cessna 550 · Engine Thrust Reverser > FLIGHT CREW REPORTED THAT THE LT TR ANNUNCIATOR DID NOT ILLUMINATE WHEN THE LT TR WAS DEPLOYED ON LANDING. ANNUNCIATOR TEST CONFIRMED THE BULB WAS WORKING. TROUBLESHOOTING IDENTIFIED THE TR DEPLOY SWITCH TO BE DEFECTIVE. THE SWITCH WAS REPLACED WITH A NEW S - [SDR 9JLA2014011504687](https://openairdocs.org/sdr/9JLA2014011504687.md): Relay · defective · Jan 14, 2014 · N100WT · Cessna 550 · Exterior Lighting > CREW REPORTED THAT THE RT SIDE TAIL FLOOD LIGHT WAS ILLUMINATED WHEN THE ACFT MASTER SWITCH WAS IN THE ON POSITION & THE TAIL FLOOD LIGHT SWITCH IN THE OFF POSITION. THE DEFECTIVE RELAY WAS REMOVED PN M83536 9-24 & A NEW RELAY WAS INSTALLED. FUNCTIONAL CHECK - [SDR 9JLA2013092604677](https://openairdocs.org/sdr/9JLA2013092604677.md): Inverter · failed · Sep 7, 2013 · N100WT · Cessna 550 · AC Inverter > CREW REPORTED NR 1 INVERTER FAILED AFTER ENGINE START DURING AVIONICS POWER UP. TROUBLESHOT & FOUND NR 1 INVERTER DEFECTIVE. INVERTER REMOVED AND REPLACED WITH A REPAIRED UNIT. OPS CHECKED SATISFACTORY. - [SDR 9JLA2013092604675](https://openairdocs.org/sdr/9JLA2013092604675.md): Anti-Ice Valve · failed · Jul 15, 2013 · N100WT · Cessna 550 · Air Intake Anti/De-Ice System > CREW REPORTED A LEFT ANTI-ICE ANNUNCIATOR ILLUMINATED, TROUBLESHOT & IDENTIFIED LT ENGINE INLET VALVE DEFECTIVE. VALVE REMOVED AND AN O/H UNIT INSTALLED. OPS CHECKED SATISFACTORY. - [SDR 9JLA2013042204660](https://openairdocs.org/sdr/9JLA2013042204660.md): Line · chafed · Apr 17, 2013 · N100WT · Cessna 550 · Aileron Control System > DURING ROUTINE MX, A HYD SEEP WAS DISCOVERED IN THE LT INBD FLAP AREA. TROUBLSHOOTING FOUND THE LT SPEED BRAKE RETRACT RIGID HYD LINE WAS BEING CHAFED BY THE MOVEMENT OF THE LT INBD FLAP PUSH/PULL ROD BONDING JUMPER. THE HYD LINE WAS REPLACED AND THE BONDING - [SDR 9JLA2012101804297](https://openairdocs.org/sdr/9JLA2012101804297.md): Flow Divider · defective · Sep 25, 2012 · N100WT · Cessna 550 · Fuel Divider > CREW REPORTED FUEL DRIPS FROM THE NR 2 ENGINE CASE DRAIN AT SHUTDOWN. TROUBLESHOOTING IDENTIFIED THE NR 2 ENGINE FLOW DIVIDER, PN 814900-6, SN F55971, AS DEFECTIVE. AN O/H FLOW DIVIDER WAS INSTALLED, LEAK/OPS CHECKS SATISFACTORY IAW MM 73-10-03. - [SDR 9JLA2012082804287](https://openairdocs.org/sdr/9JLA2012082804287.md): Line · leaking · Aug 27, 2012 · N100WT · Cessna 550 · Oxygen System > THE CREW REPORTED THAT THE OXYGEN SYSTEM WAS LOOSING PRESSURE. MX LEAK CHECKED THE SYS AND FOUND THE CAPILLARY OXYGEN LINE IN THE NOSE SECTION OF ACFT WAS LEAKING. THE DEFECTIVE LINE WAS REMOVED AND A NEW LINE PN 9912057-11 WAS INSTALLED. THE OXYGEN WAS SERV - [SDR 9JLA2012101904286](https://openairdocs.org/sdr/9JLA2012101904286.md): Flow Divider · leaking · Aug 8, 2012 · N100WT · Cessna 550 · Fuel Divider > CREW REPORTED FUEL LEAKING FROM LT ENGINE DRAIN MAST AFTER SHUTDOWN. GAINED ACCESS AND REPLACED THE FLOW DIVIDER VALVE. FUNCTIONAL CHECKS SATISFACTORY. REF: MM 73-10-03. - [SDR 9JLA2012071704285](https://openairdocs.org/sdr/9JLA2012071704285.md): Oxygen Mask · leaking · Jun 29, 2012 · N100WT · Cessna 550 · Crew Oxygen System > THE CREW REPORTED THAT DURING THE POST FLIGHT CHECKS IT WAS NOTED THAT THE PILOTS QUICK DONNING OXYGEN MASK WAS LEAKING, REMOVED THE PILOTS MASK PN 9914067-41, SN 10647. INSTALLED AN O/H MASK. FUNCTIONAL CHECKS SATISFACTORY. - [SDR 9JLA2011121904262](https://openairdocs.org/sdr/9JLA2011121904262.md): Outflow Valve · defective · Dec 14, 2011 · N100WT · Cessna 550 · Pressure Regulator/Outflow Valve > THE CREW REPORTED THAT AFTER TAKEOFF THE CABIN ALTITUDE WOULD CLIMB UNTIL A ALTITUDE OF 4000 FT WAS REACHED AND THEN THE CABIN ALTITUDE WOULD STAY AT 4000 FT DURING CLIMB AND CRUISE. IT WAS NOTED THAT THE CABIN WOULD DESCEND NORMALLY TO THE SELECTED FIELD ELE - [SDR 2011FA0000181](https://openairdocs.org/sdr/2011FA0000181.md): Fcu · faulty · Mar 16, 2011 · N100WT · Cessna 550 · Fuel Control/Turbine Engines > DURING DECENT AT 12,000 FT, WHILE SOUTH OF WAYPOINT ON THE DUMPY ARRIVAL. THE RT ENGINE QUIT DUE TO A FAULTY FUEL CONTROL UNIT. THE CREW RAN THE CHECKLIST AND PROCEEDED VISUALLY FOR AN UNEVENTFUL FLAPS 15 LANDING. - [SDR CSI0108](https://openairdocs.org/sdr/CSI0108.md): Wire · backed out · Mar 19, 2008 · N100WT · Cessna 550 · Landing Gear System Wiring > DURING FLIGHT, APPROACHING KSUS (SPIRIT OF ST LOUIS AIRPORT, MO), THE CREW OBSERVED THAT THE BRAKE PRESSURE LOW AND ANTI-SKID INOP, ANNUNCIATOR LIGHTS WERE ILLUMINATED. CHECKLIST PROCEDURES WERE FOLLOWED AND ATC WAS ADVISED. ATC HAD EMERGENCY EQUIPMENT RESPO - [SDR 99ZZZX2430](https://openairdocs.org/sdr/99ZZZX2430.md): Transformer · chafed · May 27, 1999 · N100WT · Cessna 550 · DC Power Distribution System > WITH RT ENGINE RUNNING AND RT GEN ON-LINE, GEN ASSIST START WAS OPERATIONAL. IF LT ENG WAS RUNNING AND LT GEN ON-LINE, ATTEMPTING A RT START WOULD CAUSE LT GEN TO DROP OFF-LINE AND RT ENG WOULD NOT ROTATE. T/S TO A CT3 (LT GROUND FAULT XFORMER) WHICH HAD CHA ## 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 = 'N100WT' AND registry_match = 'registration' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/aircraft/N100WT/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.