# Service difficulty reports: N660QS, cancelled Jun 12, 2025 A list on [N660QS, cancelled Jun 12, 2025](https://openairdocs.org/deregistered/N660QS-2025-06-12.md). Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first. - [SDR DXTA2025040803003](https://openairdocs.org/sdr/DXTA2025040803003.md): Handle · malfunctioned · Apr 8, 2025 · N660QS · Cessna 560XL · Passenger/Crew Doors > MAIN DOOR HANDLE: MAIN ENTRANCE DOOR EXTERIOR HANDLE WILL NOT STAY STOWED. IT DOES NOT SPRING STOWED. CORRECTIVE ACTION: REMOVED EXTERIOR DOOR HANDLE AND REPLACED BROKEN DOOR SPRING WITH NEW UNIT P/N: SL5204-2 AND REPLACED COTTER PIN WITH NEW UNIT P/N: MS24665 - [SDR DXTA2025021902387](https://openairdocs.org/sdr/DXTA2025021902387.md): Condenser · faulted · Feb 15, 2025 · N660QS · Cessna 560XL · Cabin Temperature Control System > UPON TAKEOFF ROTATION THE AMBER ACM OVERHEAT ANNUNCIATOR ILLUMINATED. OT WAS ACCOMPANIED WITH A BURNING SMELL IN THE AIRCRAFT. THE SMELL LASTED FOR A FEW MINITES AND WAS NOT NOTICEABLE AGAIN. THE REAR TAILCONE ACCESS COMPARTMENT ALSO SMELLED NORMAL UPON INSPE - [SDR DXTA2024120901391](https://openairdocs.org/sdr/DXTA2024120901391.md): Cable · frayed · Dec 3, 2024 · N660QS · Cessna 560XL · Landing Gear Brake System > CAPTAIN MLG BRAKE PEDAL: LEFT SEAT RIGHT BRAKE PEDAL HAS VERY LITTLE BRAKING AND MECHANICAL BINDING SOUND. INSPECTED AND FOUND THE PILOT LEFT SEAT RIGHT BRAKE CABLE FRAYED AND PARTIALLY BROKEN UNDER FLOOR PANEL BELOW SEAT. R&R FRAYED CABLE - [SDR DXTA2024081200182](https://openairdocs.org/sdr/DXTA2024081200182.md): Switch · broken · Aug 11, 2024 · N660QS · Cessna 560XL · Emergency Lighting > EMERGENCY LIGHTING: WHEN RUNNING POWER ON CHECKLIST. EMERGENCY LIGHT TEST FAILS. NO LIGHTS AT ALL. TROUBLESHOT DOWN TO FAULTY EMERGENCY LIGHTING SWITCH. REMOVED PILOT SEAT FOR EASE OF ACCESS TO SWITCH REMOVED FAULTY SWITCH PN: AL-1269 AND SOLDERED IN NEW SWITC - [SDR DXTA2024062012103](https://openairdocs.org/sdr/DXTA2024062012103.md): Precatch · dirty · Jun 19, 2024 · N660QS · Cessna 560XL · Passenger/Crew Doors > WHEN THE MAIN CABIN DOOR IS ON THE PRECATCH AND THE DOOR HANDLE IS NOT LOCKED, THE PRECATCH RELEASE LEVER WILL NOT RELEASE THE DOOR OFF OF THE PRECATCH. TO RELEASE THE DOOR YOU MUST FIRST LOCK THE DOOR AND THEN UNLOCK THE CABIN DOOR. THE PRECATCH DOES CATCH - [SDR DXTA2024050311660](https://openairdocs.org/sdr/DXTA2024050311660.md): Bellcrank · out of adjust · May 1, 2024 · N660QS · Cessna 560XL · Passenger/Crew Doors > PRE CATCH WILL NOT RELEASE FROM INSIDE HANDLE, AND RED HANDLE SPINS FREE ON THE STEM. ADJUSTED THE BELLCRANK AND THE HANDLE ENOUGH TO SECURE THE HANDLE FIRMLY. SECURED BELLCRANK ENOUGH TO ALLOW FREEDOM TO SWIVEL. OPS CHECK GOOD. RESECURED DOOR PANEL. INFO - [SDR DXTA2023060587860](https://openairdocs.org/sdr/DXTA2023060587860.md): Acm · defective · Jun 5, 2023 · N660QS · Cessna 560XL · Air Conditioning System > A FEW SECONDS AFTER TAKEOFF, WITH APU ON, WE GOT A STRONG METALLIC/ACRID ODOR. NO HAZE OR SMOKE NOTED. AT THE SAME TIME THERE WAS A LOUD HOWL/WHINING. CABIN TEMP STARTED TO INCREASE. SHUTDOWN THE APU & HOWLING/WHINING WAS NOTICEABLY REDUCED, BUT CONTINUED - [SDR DXTA2023060287670](https://openairdocs.org/sdr/DXTA2023060287670.md): Unknown · unknown · Jun 2, 2023 · N660QS · Cessna 560XL · Passenger/Crew Doors > MAIN DOOR PRECATCH: DOOR DOES NOT RELEASE WITH PRECATCH HANDLE. MUST LOCK THEN UNLOCK DOOR TO GET IT TO OPEN. ADJUSTED MAIN DOOR PRECATCH IAW CE560XLS AMM 52-10-01 OPS CHECK SATISFACTORY. NO FURTHER DEFECTS NOTED - [SDR 3J7R2023040500001](https://openairdocs.org/sdr/3J7R2023040500001.md): Battery Pack · discharged · Apr 5, 2023 · N660QS · Cessna 560XL · Emergency Lighting > EMERGENCY LIGHTS INADVERTENTLY LEFT ON BY THE CREW. CREW ASKED FOR THE BATTERIES TO BE CHARGED AND THE SYSTEM TO BE OP CHECKED. FOUND LIGHTS IN THE OFF POSITION WHEN ARRIVED AT AIRCRAFT. FOUND FORWARD EXIT SIGNS AT CABIN DOOR INOP WHEN AIRCRAFT POWER IS OFF. - [SDR DXTA2022112874700](https://openairdocs.org/sdr/DXTA2022112874700.md): Wire · broken · Nov 24, 2022 · N660QS · Cessna 560XL · Light System Wiring > CABIN EMERG LIGHT: THE FORWARD AISLE EMERGENCY LIGHTS BETWEEN SEAT 5 AND MAIN CABIN DOOR ARE INOP. IT APPEARS TO HAVE A BROKEN WIRE. TECHS REMOVED BROKEN SPLICE AND INSTALLED A NEW SPLICE. OPS TEST OF THE EMER LIGHTS FOUND SATISFACTORY. REFERENCE: 560XL AMM - [SDR DXTA2022092070770](https://openairdocs.org/sdr/DXTA2022092070770.md): None · defective · Sep 18, 2022 · N660QS · Cessna 120 · Emergency Lighting > FLOOR EMERG EXIT LIGHT: LEFT FOWARD EMER FLOOR PATHWAY LIGHTS ARE INOP. // SIGNOFF// REMOVED INOP LH MOST FWD LOWER LED LIGHTING STRIP P/N: 9919040-9, AND INSTALLED A NEW LED LIGHTING STRIP ASSEMBLY P/N: 9919040-26 IN THE LOWER LH FLOOR LIGHTING POSITION. AN O - [SDR DXTA2022072566570](https://openairdocs.org/sdr/DXTA2022072566570.md): Battery · abnormal · Jul 22, 2022 · N660QS · Cessna 560XL · Battery Overheat Warning System > BATTERY TEMP LIGHT: ON CLIMBOUT THE MASTER WARNING AND STEADY BATT O'TEMP ANNUNCIATOR LIGHTS ILLUMINATED. CARRIED OUT QRC BUT NO AMP DECREASE NOTED. CARRIED OUT QRH PROCEDURES. THE BATTERY TEMPERATURE GAUGE REMAINED IN AMBER RANGE. BATTERY WAS DISCONNECTED USI - [SDR DXTA2022051661750](https://openairdocs.org/sdr/DXTA2022051661750.md): Connector · intermittent · May 14, 2022 · N660QS · Cessna 560XL · Emergency Lighting > FLOOR EMERG EXIT LIGHT: LEFT SIDE AISLE EMERGENCY LIGHTS FROM MID CAIN TO DOOR ARE VERY DIM //SIGNOFF// UPON INSPECTING RIGHT HAND AISLE LIGHTS, FOUND LIGHTS TO BE OPERATING INTERMITTENTL Y. CLEANED THE CONNECTION LEADS IN REFERENCE TO CE560XL AMM 20-30·05. AI - [SDR DXTA2020121704479](https://openairdocs.org/sdr/DXTA2020121704479.md): Lever · binding · Dec 16, 2020 · N660QS · Cessna 560XL · Passenger/Crew Doors > PRE CATCH LEVER WILL NOT RELEASE FROM INSIDE AND CABIN DOOR TAKES MULTIPLE HARD CLOSINGS FOR IT TO CATCH. SIGNOFF. GAIN ACCESS AND INSPECTED MAIN CABIN DOOR PRECATCH MECHANISM SYSTEM FOR PROPER OPERATION, ADJUSTED AS REQUIRED. PERFORMED OPERATIONAL TEST AND - [SDR DXTA2020120904447](https://openairdocs.org/sdr/DXTA2020120904447.md): Bellcrank · worn · Dec 9, 2020 · N660QS · Cessna 560XL · Passenger/Crew Doors > THE PRECATCH LEVER WILL NOT ALLOW THE MAIN CABIN DOOR TO BE OPENED FROM THE INSIDE OR OUTSIDE WITH THE APU OFF. SOME OF THE PRECATCH LEVER REMAINS EXPOSED IN THE DOOR FRAME AFTER THE HANDLE IS PULLED. REMOVED WORN PRECATCH ASSEMBLY HOUSING, SLIDE RELEASE AND - [SDR DXTA2014021205648](https://openairdocs.org/sdr/DXTA2014021205648.md): Shutoff Valve · failed · Feb 11, 2014 · N660QS · Cessna 560XL · APU Bleed Air System > DURING PREFLIGHT WITH THE APU RUNNING & BLEED AIR ON THERE WAS NO COLD AIR BEING PRODUCED. AFTER SELECTING A COLDER TEMP & AIR SOURCE TO HIGH WITHIN A MINUTE THERE WAS A POOF SOUND & THE CABIN FILLED WITH A STRONG SMOKE & ELECT SMELL. ACM OVERHEAT ANNUNCIATO - [SDR DXTA2014012005622](https://openairdocs.org/sdr/DXTA2014012005622.md): Handle · malfunctioned · Jan 18, 2014 · N660QS · Cessna 560XL · Landing Gear Selector > AFTER TAKEOFF GEAR HANDLE WOULD NOT COME UP. R & R THE GEAR HANDLE ASSEMBLY IAW MM 32-30-01, OPERATIONS CHECKED GOOD. - [SDR DXTA2013123005608](https://openairdocs.org/sdr/DXTA2013123005608.md): Landing Gear · inoperative · Dec 29, 2013 · N660QS · Cessna 560XL · Landing Gear Retraction/Extension System > AFTER DEPARTURE, GEAR HANDLE WOULD NOT PULL OUT OF PANEL TO ALLOW GEAR RETRACTION. GEAR GREEN LIGHTS NEVER WENT OUT, RETURNED & LANDED UNEVENTFULLY. REMOVED AND RPLACED LT SQUAT SWITCH IAW AMM 32-61-00. REMOVED AND REPLACED GEAR CONTROL PCB IAW AMM 24-51- - [SDR DXTA2012073005068](https://openairdocs.org/sdr/DXTA2012073005068.md): Cable · chafed · Jul 29, 2012 · N660QS · Cessna 560XL · Fire Protection System Wiring > AT APPROXIMATELY 9000 FT, AFTER TAKEOFF RECEIVED A LEFT ENGINE FIRE MASTER LIGHT, NO MASTER WARNING, PERFORMED MEMORY ITEMS AND LIGHT WENT OUT WHEN LEFT THROTTLE WAS BROUGHT TO IDLE. NO OTHER INDICATIONS. INSPECTED LT ENGINE AND FOUND FIRE DETECTOR CABLE CH - [SDR DXTA2012061104994](https://openairdocs.org/sdr/DXTA2012061104994.md): Apu · smoke · Jun 8, 2012 · N660QS · Cessna 560XL · Airborne Auxiliary Power Unit (APU) System > WHILE ON THE GROUND, APU SMOKE FILLED CABIN ACCOMPANIED BY BURNING ODOR. R & R APU IAW MM 49-10-01. OPS & LEAK CHECKED GOOD. - [SDR DXTA2010051004089](https://openairdocs.org/sdr/DXTA2010051004089.md): Brake Assy · malfunctioned · May 9, 2010 · N660QS · Cessna 560XL · Landing Gear Brake System > LT BRAKE INDICATOR IS TRIPPED. ANTI SKID CAUTION LIGHT ILLUMINATED MOMENTARILY UPON TOUCHDOWN AND AGAIN DURING TAXI. LT BRAKE IS SENSITIVE AND OCCASIONALLY MAKES A GRINDING NOISE. REPLACED LT BRAKE ASSY WITH O/H ASSY BLEED BRAKES, TAXIED ACFT ALL CHECKED GOOD - [SDR DXTA2009123003918](https://openairdocs.org/sdr/DXTA2009123003918.md): Actuator · failed · Dec 29, 2009 · N660QS · Cessna 560CESSNA · Landing Gear Retraction/Extension System > HAD GEAR UNSAFE INDICATION, DUE TO LT MAIN GEAR NOT GETTING A GREEN LIGHT. RAN "BB1" CHECKLIST. BLEW GEAR DOWN, IT DID NOT FIX THE UNSAFE CONDITION. HAD A NORMAL LANDING AND THEN GOT TOWED IN. - [SDR DXTA2009050803641](https://openairdocs.org/sdr/DXTA2009050803641.md): Control Handle · malfunctioned · May 7, 2009 · N660QS · Cessna 560XL · Landing Gear Selector > GEAR DID NOT RETRACT WHEN GEAR HANDLE WAS SELECTED IN THE UP POSITION. ALL GREEN LIGHT WERE ILLUMINATED WITH NO RED LIGHT. THE GEAR HANDLE WAS TAPPED AND THE GEAR RETRACTED NORMALLY. REMOVED AND REPLACED GEAR CONTROL HANDLE ASSY. PERFORMED GEAR FUNCTIONAL CHE - [SDR DXTA2008111003341](https://openairdocs.org/sdr/DXTA2008111003341.md): Switch · faulty · Nov 7, 2008 · N660QS · Cessna 560XL · Door Warning System > TAIL ACCESSORY DOOR OPEN PANEL LIGHT CAME ON DURING TAKEOFF. AS WE TAXIED BACK IN IT WAS INTERMITTENT. TROUBLESHOT; FOUND AFT BAGGAGE DOOR SWITCH FAULTY. REMOVED AND REPLACED AFT PIN SWITCH FOR AFT BAGGAGE DOOR. OPS CHECKS GOOD. RESTORED SYSTEM AND AFT BAGG - [SDR DXTA200702405](https://openairdocs.org/sdr/DXTA200702405.md): Indicator · inoperative · Aug 15, 2007 · N660QS · Cessna 560XL · Landing Gear Position and Warning > LT MAIN GEAR LIGHT FAILED TO ILLUMINATE CHECKED BULB VIA ROTARY SWITCH. BULB WAS GOOD. PERFORMED EMER GEAR EXTENSION CHECK LIST AND LANDED OK GOT AUDIO GEAR WARNINGS TO TOUCH DOWN. REMOVED AND REPLACED LEFT MAIN LANDING GEAR ACTUATOR. WITH REPAIRED ACTUATOR - [SDR DXTA200702226](https://openairdocs.org/sdr/DXTA200702226.md): Unknown · unknown · May 31, 2007 · N660QS · Cessna 560XL · Flight Control System > AIRCRAFT MADE A SUDDEN YAW TO THE RT AT 105 KTS, ROTATED AT 108 KTS. C/W CHECKS OF FLIGHT CONTROLS, BRAKES AND TIRE PRESSURES. THE RT TIRES WORN TO NEAR LIMITS. NO OTHER DISCREPANCIES NOTED. ALL WORK ACCOMPLISHED IAW MM 5-00-00. ## 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 = 'N660QS' AND deregistration_id = 'N660QS-2025-06-12' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/deregistered/N660QS-2025-06-12/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.