# Service difficulty reports: N550QS A list on [N550QS](https://openairdocs.org/aircraft/N550QS.md). Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first. - [SDR DXTA2024123001702](https://openairdocs.org/sdr/DXTA2024123001702.md): Dcu · inoperative · Dec 25, 2024 · N550QS · Cessna 680A · Indicating/Recording System > GSD FAIL 2 AMBER CAS: LEVEL AT FL450 WE FELT AND HEARD A LIGHT AERODYNAMIC HUM VIBRATION FOLLOWED BY AMBER X'S ON AILERON TRIM INDICATOR, RUDDER TRIM INDICATOR AND LEFT SPOILER POSITION DISPLAY. LEFT HYDRAULIC SYNOPTICS PAGE INTERMITENTLY SHOWED NO HYDRAULIC P - [SDR DXTA2024121001411](https://openairdocs.org/sdr/DXTA2024121001411.md): Strut · failed · Dec 5, 2024 · N550QS · Cessna 680A · Passenger/Crew Doors > MAIN DOOR GAS STRUT SNAPPED IN TWO PIECES. MAIN CABIN DOOR STILL OPERATES NORMALLY. NO BINDING OBSERVED ARRIVED ON SITE AND GAINED ACCESS TO THE AIRCRAFT. OPENED THE MED AND FOUND THE SUPPORT STRUT LOWER ROD SEPARATED FROM THE MIDDLE AND UPPER TUBES. FOUND THA - [SDR DXTA2024121001404](https://openairdocs.org/sdr/DXTA2024121001404.md): Strut · failed · Dec 5, 2024 · N550QS · Cessna 680A · Passenger/Crew Doors > MAIN DOOR GAS STRUT SNAPPED IN TWO PIECES. MAIN CABIN DOOR STILL OPERATES NORMALLY. NO BINDING OBSERVED ARRIVED ON SITE AND GAINED ACCESS TO THE AIRCRAFT. OPENED THE MED AND FOUND THE SUPPORT STRUT LOWER ROD SEPARATED FROM THE MIDDLE AND UPPER TUBES. FOUND THA - [SDR DXTA2024111501125](https://openairdocs.org/sdr/DXTA2024111501125.md): Battery Pack · inoperative · Nov 12, 2024 · N550QS · Cessna 680A · Emergency Lighting > LAV EXIT SIGN/LIGHT: SOME EMERGENCY LIGHTING IS INOPERATIVE. EXIT SIGN ON BULKHEAD BEHIND SEAT 7, EXIT SIGN ON TOILET FACE PANEL, DOWN LIGHTS AT TOILET BASE ARE ALL INOP. PACK WAS CHARGED FOR 30 MINUTES ON APU WITH NO CHANGE. CORRECTIVE ACTION; REPLAED FAULTY - [SDR DXTA2024102800957](https://openairdocs.org/sdr/DXTA2024102800957.md): Fuse · misinstalled · Oct 25, 2024 · N550QS · Cessna 680A · Emergency Lighting > RIGHT WING INSPECTION LIGHT, #3SEAT OVERHEAD AND UNDERSEAT LIGHTS INOP. WILL NOT RECHARGE USING EMER LIGHTS FAIL PREFLIGHT TEST PROCECEDURE GAINED ACCESS TO #2 EMERGENCY LIGHTING BATTERY PACK. UPON FURTHER INVESTIGATION. FOUND THAT THE FUSE WAS NOT INSERTED - [SDR DXTA2024052211829](https://openairdocs.org/sdr/DXTA2024052211829.md): Filter · odor · May 21, 2024 · N550QS · Cessna 680A · Air Distribution System > PNEUMATIC DISTRIBUTION: NON ELECTRICAL FUMES SMELT AFTER TAKEOFF. LASTED FOR 2-3 MINUTES. REMOVED WORN HEPA FILTER P/N 9914836-1 S/N 0948 AND REPLACED WITH NEW UNIT. ALL WORK DONE WITH REFERENCE TO C680A-AMM-21-70-10. - [SDR DXTA2024041611504](https://openairdocs.org/sdr/DXTA2024041611504.md): Switch · faulty · Apr 14, 2024 · N550QS · Cessna 680A · Passenger/Crew Doors > MAIN DOOR: MAIN CABIN DOOR WILL NOT CLOSE. THE LIFT MOTOR KEEPS FAILING. THE DOOR WILL NOT EVEN COME UP HALF WAY. FOUND INNER DOOR HANDLE OPEN PROX SWITCH(SC006) TO BE INTERMITTENT. REMOVED AND REPLACED PROX SWITCH(SC006) IAW CE680A MM 52-70-10. OPS CHECKS GO - [SDR DXTA2024032011240](https://openairdocs.org/sdr/DXTA2024032011240.md): Door · none · Mar 18, 2024 · N550QS · Cessna 680A · Passenger/Crew Doors > CABIN DOOR MOTOR FAILS TO FULLY CLOSE MAIN CABIN DOOR. FAILED SEVERAL ATTEMPT WITH OVERIDE. THE DOOR MOTOR WILL LIFT THE DOOR ABOUT A FOOT AND THEN SHUTS OFF. AMBER CHECK DOOR HANDLE LIGHT ILLUMINATED ON EXTERIOR. DISCOVERED WHEN THE NICAD BATTERIES ARE IN A - [SDR DXTA2024022911027](https://openairdocs.org/sdr/DXTA2024022911027.md): Strut · low pressure · Feb 26, 2024 · N550QS · Cessna 680A · Nose/Tail Landing Gear Strut/Axle > AFTER GEAR RETRACTED SUCCESSFULLY & CLIMBING ABOVE FL 400, FELT A THUMP IN NOSE. RECEIVED MAINS UP & NLG MISCOMPARE AMBER MESSAGE. DESCENDED TO A LOWER ALTITUDE. FELT MORE STUTTERING THUMPS. AFTER THAT A RHYTHMIC THUMPING. LOWERED FLAPS 1 & ABOUT TO LOWER GEAR - [SDR DXTA2023111610064](https://openairdocs.org/sdr/DXTA2023111610064.md): Battery · inoperative · Nov 15, 2023 · N550QS · Cessna 680A · Emergency Lighting > EMER LIGHTS WILL NOT COME ON WHEN SWITCH SELECTED TO ON WITH ACFT POWERED DOWN. PREFLIGHTED WITH THE AIRPLANE POWERED UP, THEN POWERED DOWN TO WAIT. AFTER POWERING DOWN, I CHECKED THE EMER LIGHTS AND FOUND NORMAL OPERATION. AFTER WAITING AN HOUR, WE CAME O - [SDR DXTA2023110799940](https://openairdocs.org/sdr/DXTA2023110799940.md): Unknown · unknown · Nov 6, 2023 · N550QS · Cessna 680A · Emergency Lighting > DURING PRE-FLIGHT TEST OF EMERGENCY LIGHT SYSTEM(BEFORE POWERING UP), NOTICED EXIT SIGN AT SEAT 7, EXIT SIGN BELOW LAV SEAT, AND FLOOR LIGHT BELOW LAV SEAT, WOULD NOT ILLUMINATE. ALL OTHER EMERG LIGHTS FUNCTION NORMALLY. THIS IS A REPEAT WRITE UP. VERIFIED P - [SDR DXTA2023103199440](https://openairdocs.org/sdr/DXTA2023103199440.md): Unknown · unknown · Oct 31, 2023 · N550QS · Cessna 680A · Emergency Lighting > EMERG EXIT SIGN/LIGHT: DURING PREFLIGHT, FOUND 3 LIGHTS THAT ARE NOT LIGHTING UP DURING THE EMERGENCY LIGHT TEST. THE WHITE EXIT SIGN ON THE BULKHEAD BEHIND SEAT 7. THE EXIT SIGN BELOW THE LAV SEAT. THE FLOOR LIGHT BELOW THE LAV SEAT. PERFORMED EMERGENCY LI - [SDR 2023F00257](https://openairdocs.org/sdr/2023F00257.md): Boss · detached · Aug 26, 2023 · N550QS · Cessna 680A · Nacelle/Pylon Structure > COMBUSTION CHAMBER DRAIN BOSS DETACHED WHILE FUEL DRAIN VALVE WAS REMOVED ON LH ENGINE. P&WC DEVIATION LETTER WAS ACCOMPLISHED DEVIATION LETTER DAA2023-1044-PW306D1-CN0086, CRM CASE: PWC-285022-Z8X0 DATED AUGUST 23, 2023. DEVIATION LETTER FOR ENGINE MODEL PW30 - [SDR DXTA2022092070800](https://openairdocs.org/sdr/DXTA2022092070800.md): None · none · Sep 19, 2022 · N550QS · Cessna 120 · Door Warning System > EMERGENCY EXIT OPEN AMBER CAS: AMBER EMERGENCY EXIT OPEN CAS MESSAGE CAME ON APPROX ONE HOUR INTO FLIGHT AT FL410. EXTINGUISHED DURING DESCENT BELOW FL180 // SIGNOFF// COMPLIED WITH GVI AND MULTIPLE OPS CHECKS OF EMERGENCY EXIT DOOR WITH NO DEFECTS NOTED AT - [SDR 2022FA0000415](https://openairdocs.org/sdr/2022FA0000415.md): Skin · gouged · Jul 30, 2022 · N550QS · Cessna 680A · Fuselage Main, Plate/Skin > GOUGE IN FUSELAGE SKIN UNDER FWD RH OVERWING SPLICE STRAP REPAIR. - [SDR 2021F00347](https://openairdocs.org/sdr/2021F00347.md): None · none · Dec 21, 2021 · N550QS · Gulstm 680 · Landing Gear System > GOUGES ON THE LH AND RH MLG SIDE BRACE FITTINGS (P/N'S 6922928-1 AND 6922928-2). ACCOMPLISHED TEXTRON AVIATION ENGINEERING LETTER DATED DECEMBER 21, 2021 DQ 32902 M1; 680A-0150 LH AND RH MLG SIDE BRACE ATTACH FITTINGS. - [SDR 2021F00346](https://openairdocs.org/sdr/2021F00346.md): None · none · Dec 21, 2021 · N550QS · Gulstm 680 · Landing Gear System > GOUGES ON THE LH AND RH MLG SIDE BRACE FITTINGS (P/N'S 6922928-1 AND 6922928-2). ACCOMPLISHED TEXTRON AVIATION ENGINEERING LETTER DATED DECEMBER 21, 2021 DQ 32902 M1; 680A-0150 LH AND RH MLG SIDE BRACE ATTACH FITTINGS. - [SDR 2021F00246](https://openairdocs.org/sdr/2021F00246.md): Gearbox · corroded · Aug 25, 2021 · N550QS · Cessna 680A · Accessory Gearboxes > RH ENGINE GEARBOX AFT COVER CORRODED IN MULTIPLE LOCATIONS. - [SDR 2021F00245](https://openairdocs.org/sdr/2021F00245.md): Gearbox · corroded · Aug 25, 2021 · N550QS · Cessna 680A · Accessory Gearboxes > LH ENGINE GEARBOX AFT COVER CORRODED IN MULTIPLE LOCATIONS. ## 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 = 'N550QS' AND registry_match = 'registration' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/aircraft/N550QS/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.