# Service difficulty reports: N515QS A list on [N515QS](https://openairdocs.org/aircraft/N515QS.md). Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first. - [SDR DXTA2026041307577](https://openairdocs.org/sdr/DXTA2026041307577.md): Uplock Switch · defective · Apr 8, 2026 · N515QS · Cessna 680A · Landing Gear Position and Warning > DURING CLIMB THRU ABOUT FL320 WE RECEIVED BOTH LEFT AND RIGHT MAIN GEAR YELLOW DN AND NOSE GEAR WAS YELLOW HASH MARKS VIBRATIONS FROM GEAR. AFTER WE SLOWED AND DESCENDED BELOW 15000 WE RAN THE QRH LANDING GEAR DID NOT RETRACT CHECKLIST WE RECEIVED 3 GREE - [SDR DXTA2025080604492](https://openairdocs.org/sdr/DXTA2025080604492.md): Elec Connector · loose · Aug 6, 2025 · N515QS · Cessna 680A · Light System Wiring > THE LAV FLOOR EMER LIGHT IS INTERMITTENT AND FLICKERS ON AND OFF. ACCESSED AIRCRAFT AND POWERED UP VIA APU. POWERED ON EMERGENCY LIGHTS AND ALL LIGHTS WORKING PROPERPLY INCLUDING LAV FLOOR LIGHTING, WHILE LIGHTS WERE POWERED ON, TAPPED ON TOILET SEAT AND TOIL - [SDR DXTA2024122001562](https://openairdocs.org/sdr/DXTA2024122001562.md): Filter · dirty · Dec 16, 2024 · N515QS · Cessna 680A · Air Distribution System > OIL SMELL WITH HIGH POWER SETTINGS. IT IS THE STRONGEST DURING CLIMB AND DECENT. APU IS NOT RUNNING. NO SMELL ON GROUND. COMPLIED WITH TASK CARD TC-68A-21-181006M ENVIRONMENTAL CONTROL SYSTEM BLEED DUCT BURN PROCEDURE WITH NO SMELL OR ANY ODOR IN THE COCKPIT O - [SDR DXTR2024092201](https://openairdocs.org/sdr/DXTR2024092201.md): Access Panel · corroded · Sep 22, 2024 · N515QS · Cessna 680A · Horizontal Stabilizer, Plate/Skin > CORROSION ON LH HORIZONTAL STAB ACCESS PANEL NUT PLATES FOR PANEL 351AB,351BB,341AR, 341CR, 341DR, 341ER,341AL AND 341CL. CORRECTIVE ACTION....ADDED PRIMER TO THE BLENDED AREA AFTER NDT WAS ACCOMPLISHED. AWAITING NUTPLATE INSTALLATION AFTER PRIMER CURES. REF. - [SDR DXTA2024012310708](https://openairdocs.org/sdr/DXTA2024012310708.md): Door · unknown · Jan 22, 2024 · N515QS · Cessna 680A · Passenger/Crew Doors > MAIN CABIN DOOR MOVES ABOUT A 1/4 INCH AFTER MOVING THE HANDLE THEN STICKS. FORCE IS REQUIRED TO OPEN THE DOOR. PERFORMED SEVERAL SATISFACTORY OPS CHECK OF THE MAIN DOOR. NO DISCREPANCIES TO NOTE AT THIS TIME. CE680A AMM 52-10-00. MCC ELECTS TO RTS THE A/C AT - [SDR DXTA2022022457360](https://openairdocs.org/sdr/DXTA2022022457360.md): None · none · Feb 24, 2022 · N515QS · Cessna 680A · Airborne Auxiliary Power Unit (APU) System > AFTER APU START AND APU BLEED AIR SELECTED WHITE SMOKE FILLED THE CABIN AND COCKPIT. "CORRECTIVE ACTION" ACCESSED AIRCRAFT. RECEIVED CUSTOMER SUPPLIED APU. REMOVED ALL APU ACCESS PANELS. REMOVED STARTER GENERATOR FROM APU. REMOVED ALL ACCESSORIES ATTACHED FRO - [SDR 2021F00364](https://openairdocs.org/sdr/2021F00364.md): Skin · corroded · Nov 24, 2021 · N515QS · Cessna 680A · Wing Structure > CORROSION ON LEFT WING TIP UPPER SKIN P/N 6923140-3. ACCOMPLISHED TEXTRON AVIATION ENGINEERING LETTER DQ32554 - DATED NOVEMBER 20, 2021; 680A-0053 N515QS REPAIR RECOMMENDATION. - [SDR 2021F00363](https://openairdocs.org/sdr/2021F00363.md): Skin · corroded · Nov 24, 2021 · N515QS · Gulstm 680 · Wing Structure > CORROSION ON LEFT WING TIP LOWER SKIN P/N 6923150-3. ACCOMPLISHED TEXTRON AVIATION ENGINEERING LETTER DQ32552 - DATED NOVEMBER 20, 2021; 680A-0053 N515QS REPAIR RECOMMENDATION. - [SDR DXTA2021061843880](https://openairdocs.org/sdr/DXTA2021061843880.md): Intake · contaminated · Jun 18, 2021 · N515QS · Cessna 680A · APU Core Engine > PNEUMATIC DISTRIBUTION: DURING LEVEL FLIGHT AT 17,000 FEET WE BOTH SMELLED A STRONG BURNING ODOR IN THE ARCRAFTT. AT THE TIME WE WERE IN HEAVY PRECIP WITH ALL ANTI-ICE SWITCHES ON. WE DID RECEIVE A COUPLE OF INBOARD WING COLD AMBER CAS MESSAGES THAT CAME ON AN - [SDR DXTA2020120504438](https://openairdocs.org/sdr/DXTA2020120504438.md): Landing Gear · malfunctioned · Dec 5, 2020 · N515QS · Cessna 680A · Landing Gear Position and Warning > ARRIVING TJSJ SELECTING GEAR DOWN POSITION WE HAD A GEAR DISAGREE R AMBER CASS MESSAGE. WE RAN THE QRH X2 THAT TOOK US TO N1 LANDING GEAR WILL NOT EXTEND, WE RAN THAT CHECK LIS,T WE BLEW DOWN THE BOTTLE IT FAILED TO EXTEND, WENT TO THE BACK AND BLEW MAIN GEAR - [SDR 2020F00336](https://openairdocs.org/sdr/2020F00336.md): Frame · cracked · Jul 14, 2020 · N515QS · Cessna 680A · Fuselage Main, Frame > CRACK DAMAGE REPAIR OF NOSE LANDING GEAR WHEEL WELL (NWW), FRAME WEB, AND DOUBLERS, FS 75. TEXTRON AVIATION STANDARD REPAIR SR-680A-ATA53-25890 DATED 06/01/2020 WITH FAA FORM 8100-9 DATED 06/01/2020. - [SDR DXTA2019123103280](https://openairdocs.org/sdr/DXTA2019123103280.md): Switch · defective · Dec 31, 2019 · N515QS · Cessna 680A · Landing Gear Position and Warning > GEAR DISAGREE N AMBER CAS ILLUMINATED - AFTER TAKEOFF AND GEAR RETRACTION, NLG POSITION DISAGREE WITH A AMBER HASHED GEAR INDICATOR. FOLLOWED CHECKLIST, BLEW GEAR DOWN PER CHECKLIST, GOT THREE GREN INDICATIONS. LANDED UNEVENTFULLY. //SIGNOFF//VERIFIED DI - [SDR DXTA2019100802926](https://openairdocs.org/sdr/DXTA2019100802926.md): Switch · obstructed · Oct 7, 2019 · N515QS · Cessna 680A · Aircraft Fuel Distribution System > FUEL FILTER BYPASS L ILLUMINATED THROUGH 10K AFTER TAKEOFF. REPLACED FUEL FILTER IMPENDING BYPASS SWITCH WITH NEW SERVICEABLE SWITCH. REPLACED FUEL FILTER ELEMENT WITH FUEL FILTER KIT. PERFORMED FOLLOW ON LEAK CHECKS AND GROUND RUNS WITH SATISFACTORY RESULT - [SDR DXTR2018121301](https://openairdocs.org/sdr/DXTR2018121301.md): Strut · loose · Dec 12, 2018 · N515QS · Cessna 680A · Nose/Tail Landing Gear Strut/Axle > PILOT SQUAWK: “UN-COMMANDED NOSE GEAR UNLOCK CLIMBING THROUGH FL340 AND 260 KNOTS. NOSE GEAR CYCLED CONTINUOUSLY AT HIGH FREQUENCY ATTEMPTING TO RE-LOCK THE NOSE GEAR FOR APPROXIMATELY 10-12 MINUTES DURING DESCENT.” UPON INSPECTION, FOUND NLG UPLOCK ROLLER TO - [SDR DXTA2018121211785](https://openairdocs.org/sdr/DXTA2018121211785.md): Seal · failed · Dec 11, 2018 · N515QS · Cessna 680A · Nose/Tail Landing Gear > UN-COMMANDED NOSE GEAR UNLOCK CLIMBING THROUGH FL340 AND 260 KNOTS. NOSE GEAR CYCLED CONTINUOUSLY AT HIGH FREQUENCY ATTEMPTING TO RE-LOCK THE NOSE GEAR FOR APPROXIMATELY 10-12 MINUTES DURING DESCENT BELOW 18,000 FT WHERE MAIN GEAR EXTENSION WAS SUCCESSFUL. A - [SDR DXTA2018112601717](https://openairdocs.org/sdr/DXTA2018112601717.md): Closeout Panel · detached · Nov 25, 2018 · N515QS · Cessna 680A · Fuselage Main, Structure > JUST AFTER LEVELING AT FL410 A LOUD BANG WAS HEARD AND FELT THROUGHOUT THE AIRPLANE. INSPECTED AIRCRAFT FUSELAGE, FLIGHT CONTROLS, & LANDING GEAR FOR DEFECTS - NO DEFECTS NOTED. DOWNLOADED ARES DATA FOR REVIEW BY TEXTRON FOR ANY FLIGHT CONTROL OR AIRCRAFT ABN - [SDR DXTA2018072001209](https://openairdocs.org/sdr/DXTA2018072001209.md): Barrel · low pressure · Jul 20, 2018 · N515QS · Cessna 680A · Nose/Tail Landing Gear Strut/Axle > AT 40,000 FT AND AT CRUISE SPEED THERE WAS A LOUD THUNK AND THE GEAR SHOWED IN TRANSIT MOMENTARILY. THE SPEED TAPE SHOWED A RED GR ABOUT THREE MINUTES LATER THE EVENT MARKER WAS PRESSED. THE GEAR OPERATED NORMALLY FOR LANDING. CHECKED PRESSURES OF NLG STRUT UP - [SDR DXTA2018062001101](https://openairdocs.org/sdr/DXTA2018062001101.md): Uplock Switch · defective · Jun 19, 2018 · N515QS · Cessna 680A · Landing Gear Retraction/Extension System > CLIMBING THROUGH 40,500 FT, HEARD A LOUD CLUNK AND HAD AN AMBER GEAR DISAGREE N CAS MESSAGE APPEARED WITH ASSOCIATED HASHED NOSE GEAR INDICATION. MAINTAINED 200 KIAS AND DIVERTED. DURING DESCENT, PASSING 24,000 FT, ANOTHER CLUNK AND GEAR SHOWED UP AND LOCKED - [SDR DXTA2016121506341](https://openairdocs.org/sdr/DXTA2016121506341.md): Steering Sys · faulty · Dec 15, 2016 · N515QS · Cessna 680CE · Landing Gear Steering System > NOSE WHEEL FAILED TO RETRACT AS INDICATE BY GREY BOX AND LOUDER THAN USUAL NOISE. COMPLETED CHECKLIST WHICH INCLUDED USING GEAR BLOWDOWN BOTTLE. TROUBLESHOOTING FOUND THAT THERE WAS A DELAY ON NOSE GEAR TO LOCK IN ABOUT 3 SECONDS LONGER THAN MAINS.PERFORMED N ## 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 = 'N515QS' AND registry_match = 'registration' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/aircraft/N515QS/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.