N556QS, cancelled Feb 19, 2026

Service difficulty reports · 23

Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. 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 = 'N556QS' AND deregistration_id = 'N556QS-2026-02-19'
  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 DXTA2025090804828Battery · defectiveWITH BATTERY IN THE OFF POSITION AND EMERGENCY LIGHTS SWITCHED ON, THERE IS NO ILLUMINATION OF THE THREE EMERGENCY EXIT SIGNS SURROUNDING THE MAIN CABIN DOOR. CORRECTIVE ACTION: REMOVED THE FWD EMERGENCY BATTEY PACK AND INSTALLED THE OVERHAULED UNIT IAW CE560XSep 4, 2025 · N556QS · Cessna 560XL · Emergency LightingSDR DXTA2025051903508Seal · leakingRIGHT ENG FIRE DETECTION LIGHT: CLIMBING OUT OF 11,000 FEET, GOT A RT ENG FIRE INDICATION. FLYING PILOT REDUCED THROTTLE TO APPROX 80 PERCENT AND LIGHT EXTINGUISHED APPROX 10 SECS LATER. RAN QRC & DIVERTED. ENG INDICATIONS WERE NORMAL THROUGHOUT. REMOVED LMay 15, 2025 · N556QS · Cessna 560XL · Engine Bleed Air SystemSDR DXTA2025021702365Seal · slowMAIN DOOR ACOUSTIC SEAL: ACOUSTIC SEAL SLOW TO DEFLATE WITH CONSIDERABLE FORCE TO OPEN . NON-NORMAL OPERATION.Feb 13, 2025 · N556QS · Cessna 560XL · Passenger/Crew DoorsSDR DXTA2024111501131Condesor · dirtySMOKE IN THE CABIN DURING APU RUN CORRECTIVE ACTION; DISSASEMBLED THE WATER SEPARATOR AND CLEANED THE CONDESER. REMOVED THE OLD CONDENSER BAG DUE TO SMOKE IN THE CABIN P/N 83237-12 NSN AND INSTALLED CUSTOMER SUPPLIED NEW CONDENSER BAG P/N 83237-12 NSN. REASSEMNov 13, 2024 · N556QS · Cessna 560XL · Humidity Control SystemSDR DXTA2024100700726Indication Sys · odorLH AMLCD WENT BLANK AT FL400. WITHIN ABOUT A MINUTE THERE WAS AN ELECTRICAL BURNING SMELL. NO SMOKE WAS VISIBLE. DIVERTED TO DAL. REMOVED FAILED AMLCD ENGINE INDICATING SYSTEM P/N 9912574-5 S/N02060144AB AND INSTALLED OVERHAULED CUSTOMER SUPPLIED AMLCD ENGINOct 1, 2024 · N556QS · Cessna 560XL · Engine Indicating SystemSDR DXTA2024082200295Oil System · overservicedMUSTY AND OILY ODOR IN AC SYSTEM DURING ENTIRE FLIGHT WITH OCCASIONAL FLUCTS IN AIR FLOW CORRECTIVE ACTION: DESERVICED THE APU TO THE PROPER LEVEL AND REMOVED AND REPLACED THE COALESCER SOCK. PERFORMED MULTIPLE OPERATIONAL CHECKS AND LEAK CHECKS OF THE APU ANDAug 20, 2024 · N556QS · Cessna 560XL · APU Oil SystemSDR DXTA2023092095940Unknown · unknownON TAKEOFF THE ACFT PITCHED NOSE UP. REDUCED POWER & MANUALLY TRIMMED NOSE FWD TO FULL NOSE DOWN. APPROX TRIMMED CORRECTLY, FLAPS 15 & 160 KNOTS. BEFORE STARTING TAKEOFF ROLL ALL ANNUNCIATORS EXTINGUISHED. NO TAKEOFF ANNUNCIATION ILLUMINATED. AFTER LANDING,Sep 19, 2023 · N556QS · Cessna 560XL · Elevator Control SystemSDR DXTA2022122276890Uplock Switch · out of rigUPON RAISING GEAR HANDLE, RED UNLOCK LIGHT ILLUMINATED & REMAINED ON FOR DURATION OF FLIGHT, UNTIL LANDING GEAR HANDLE CYCLED DOWN FOR LANDING. WENT OUT WHEN GEAR HANDLE WAS CYCLED TO DOWN PRIOR TO LANDING. UNABLE TO DETERMINE IF UNLOCK LIGHT REFERRED TO NOSEDec 22, 2022 · N556QS · Cessna 560XL · Landing Gear Position and WarningSDR DXTA2022111674040Handle · lack of lubeMAIN DOOR: PREVIOUS WRITE UP. MAIN ENTRY DOOR VENT DOOR AND DOOR HANDLE LIGHTS ILLUMINATED ON SIX PACK. THE TWO MIDDLE LIGHTS OF THE SIX PACK LIGHTS. IN ADDITION CABIN DOOR ANNUNCIATOR IS ILLUMINATED. CYCLED MULTIPLE TIMES UNSUCCESSFULLY // SIGNOFF// REMOVED SNov 15, 2022 · N556QS · Cessna 560XL · Passenger/Crew DoorsSDR DXTA2022071866230Bulb · burned outCABIN EMERG LIGHT: CABIN READING LIGHT OVER SEAT 10 IS INOP. IT IS ONE OF THE REQUIRED EMER LIGHTS *** CORRECTIVE ACTION *** REMOVED AND REPLACED LAMP AT SEAT 10, OPS CHECKS GOOD, ALL WORK DONE I.A.W. CE-560XLS AMM CH 33-50-00.Jul 17, 2022 · N556QS · Cessna 560XL · Emergency LightingSDR DXTA2022051962090Diode · defectiveEMERG EXIT SIGN/LIGHT: FORWARD EMERGENCY EXIT LIGHTS INOP. FORWARD EMERGENCY LIGHTING BATTERY PACK DEPLETED. REMOVED DAMAGED AMBER EMERGENCY LIGHT "NOT ARMED" LIGHT & REPLACED WITH A NEW LIGHT & LAMP IAW SPM 20-30-30. REMOVED FAILED DIODE DI051 & REPLACED WIMay 18, 2022 · N556QS · Cessna 560XL · Light System WiringSDR DXTA2022030357830Cable · abnormalMAIN DOOR CABLE: OPENED MAIN CABIN DOOR FROM OUTSIDE. HEARD A TWANG, AND DISCOVERED HALF THE STRANDS ON THE FORWARD DOOR CABLE BROKEN, WITH LOOSE ENDS EXTENDING INTO STAIRWAY. // SIGNOFF// REMOVED AND REPLACED WITH A NEW PART THE FORWARD MED COUNTERBALANCE CABMar 3, 2022 · N556QS · Gulstm 560 · DoorsSDR DXTA2021122754260None · defectiveMAIN EXIT SIGN/LIGHT: FWD EMERGENCY LIGHTING SYSTEM IS INOPERATIVE. // SIGNOFF// REMOVED AND REPLACED FAULTY FWD EMERGENCY LIGHTING BATTERY PACK IAW CE560XL MM 33-50-01 FAILED OPS CHECKDec 26, 2021 · N556QS · Gulstm 560 · Emergency LightingSDR DXTA2021082747800Precatch · lack of lubeMAIN DOOR PRECATCH: PRECATCH HOLDS DOOR SHUT BUT PULLING HANDLE TO OPEN DOES NOT WORK. *** CORRECTIVE ACTION *** PRECATCH CLEAN AND LUBED, OPS CHECK GOOD. ALL WORK DONE IAW CE-560XLS SMM CHAPTER 52-10-01.Aug 26, 2021 · N556QS · Cessna 560XL · Passenger/Crew DoorsSDR DXTA2021082347310Bayonet · lack of lubeMAIN DOOR: MAIN CABIN DOOR HANDLE DIFFICULT TO OPERATE. ESPECIALLY FROM THE INSIDE WHEN OPENING THE DOOR. CLEANED AND LUBRICATED THE BAYONETS. ADJUSTED LATCH PLATES. OPS CHECKED THE MED WITH NO DEFECTS NOTED AT THIS TIME. WORK DONE IN REF TO CE-560XL AMM 52-Aug 20, 2021 · N556QS · Cessna 560XL · Passenger/Crew DoorsSDR DXTA2018112601706Display · odorBURNING SMELL IN COCKPIT SECOND DAY IN A ROW. W/O T2PL6D006BYNF PERTAINS. THEN MFD WENT BLANK AT 1+50 OF 3.0 FLIGHT. BURNING SMELL CEASED WITH MFD FAILURE. SUPPLEMENTAL INFORMATION: REMOVED & REPLACED MFD..P/N OFF: 7023460-05001 / S/N OFF: 06022851 - P/N Nov 23, 2018 · N556QS · Cessna 560XL · Attitude and Direction Data SystemSDR JGVR20180126003Trunnion · corrodedRIGHT MLG TRUNNION OTBD LUG HAS CORROSION AND MATERIAL LOSS AROUND TRAILING LINK TO TRUNNION PIN, BLENDED THE AREA. FOUND BLENDED AREA TO BE MORE THEN ALLOWABLE LIMITS. REMOVED AND REPLACED THE TRUNNION IAW CMM 32-10-01, AND MM 32-10-00.Jan 26, 2018 · N556QS · Cessna 560XL · Fuselage, Landing Gear Attach FittingsSDR JGVR20180126002Axle · corrodedLEFT MLG AXLE HAS CORROSION THAT IS BEYOND SRM LIMITS. REMOVED AND REPLACED THE AXLE.Jan 26, 2018 · N556QS · Cessna 560XL · Main Landing Gear Strut/Axle/TruckSDR JGVR20180126001Axle · corrodedRIGHT MLG AXLE HAS CORROSION THAT IS BEYOND SRM LIMITS. REMOVED AND REPLACED THE AXLE.Jan 26, 2018 · N556QS · Cessna 560XL · Main Landing Gear Strut/Axle/TruckSDR JGVR20180125002Axle · corrodedNLG AXLE TUBE IS CORRODED. FOUND DURING NJA TASK CARD TC-5XL-32-160207. REMOVED EXISTING CORRODED NLG AXLE TUBE AND INSTALLED NEW CUSTOMER SUPPLIED NEW AXLE TUBE IN THE SAME LOCATION IAW MM 32-41-01.Jan 25, 2018 · N556QS · Cessna 560XL · Nose/Tail Landing Gear Strut/AxleSDR JGVR20180125001Spar · corrodedLEFT HORIZONTAL STAB AFT SPAR CORRODED. BLENDED THE CORROSION IAW SRM 51-70-08. REMOVED LH AND RH ELEVATORS FOR ACCESS TO HORIZONTAL STABILIZER AFT SPAR CORROSION AND REINSTALLED IAW CESSNA 560XL MM 27-31-01. PERFORMED AN EDDY CURRENT INSPECTION ON LH AND RHJan 25, 2018 · N556QS · Cessna 560XL · Horizontal Stabilizer, Spar/RibSDR DXTA2016012306168Fan · failedWHILE SITTING IN COCKPIT PRIOR TO ENGINE START, HEARD AN AUDIBLE POP WITH SIMULTANEOUS INDICATIONS OF THE RADOME FAN CAUTION LIGHT, FLASHING MASTER CAUTION, BOTH PFDS, MFD & FMS WENT BLANK BUT WERE BACK LIT. 45 SECONDS LATER A LOUD BUZZING NOISE CAME ACROSS Jan 24, 2016 · N556QS · Cessna 560XL · Aerodynamic FairingsSDR DXTA2015111306132Uplock Switch · out of adjustNOSE GEAR DID NOT COME UP. RED UNLOCK LIGHT ILLUMINATED. GEAR HANDLE WAS PLACED DOWN PRODUCING 3 GREEN LIGHTS. INSPECTED LG SYS FOR VISIBLE DEFECT, NONE NOTED. JACKED ACFT & PERFORMED SEVERAL GEAR SWINGS AT VARIOUS PRESS SETTINGS & SLOW RATES, NO DEFECTS NNov 24, 2015 · N556QS · Cessna 560XL · Landing Gear Position and Warning
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