# Service difficulty reports: N593QS A list on [N593QS](https://openairdocs.org/aircraft/N593QS.md). Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first. - [SDR DXTA2026081409250](https://openairdocs.org/sdr/DXTA2026081409250.md): Pcb · faulty · Aug 11, 2026 · N593QS · Cessna 680A · Door Warning System > WHILE CRUISING AT 43,000 FT WE ENCOUNTERED LIGHT TURBULENCE/MODERATE CHOP. AFTER IT STOPPED, RECEIVED AMBER CAS MESSAGE CABIN DOOR OPEN. ACCOMPLISHED RESPECTIVE QRH & MONITORED PRESSURIZATION FOR REMAINDER OF FLIGHT. NO PRESSURIZATION ISSUES. AMBER CAS MESSAG - [SDR DXTA2026041407623](https://openairdocs.org/sdr/DXTA2026041407623.md): Door Seal · defective · Apr 12, 2026 · N593QS · Cessna 680A · Passenger/Crew Doors > WHILE ON DESCENT AT APPROXIMATELY 5000', 250 KIAS, AND A CABIN DIF OF 2.4, AN AUDIBLE HUM/WHISTLING COULD BE HEARD FROM THE CABIN DOOR. IT SEEMS TO HAVE GOTTEN PROGRESSIVELY LOUDER WITH THE LAST FEW FLIGHTS. CORRECTIVE ACTION: ACCESSED AIRCRAFT AND REMOVED AND - [SDR DXTA2025061203819](https://openairdocs.org/sdr/DXTA2025061203819.md): Structure · mechanic error · Jun 8, 2025 · N593QS · Cessna 680A · Fuselage Main, Plate/Skin > DURING DOWN-JACKING, THE TAIL STAND WAS LEFT IN PLACE CAUSING DAMAGE TO THE AIRCRAFT REMOVED DAMAGED AFT CANTED BULKHEAD & REPLACED WITH NEW CANTED BULKHEAD IAW SRM 51-40-05. REMOVED & INSTALLED NEW RT AFT SKIN & THREE STRINGERS IAW SRM 51-40-05. REMOVED - [SDR 2025FA0000072](https://openairdocs.org/sdr/2025FA0000072.md): Panel · corroded · Jan 30, 2025 · N593QS · Cessna 680A · Waste Disposal System > TOILET SEAT PANEL CORRODED - [SDR DXTA2024081300163](https://openairdocs.org/sdr/DXTA2024081300163.md): Battery · failed · Aug 9, 2024 · N593QS · Cessna 680A · Emergency Lighting > EMERGENCY LIGHTING: EMER LIGHTS ASSOCIATED WITH THE #3 BATTERY PACK FAIL TO ILLUMINATE DURING TEST FOLLOWING 30MINS OF CHARGING PER QRH PROCEDURE TAB AB6 REMOVED #3 EMERGENCY LIGHTING BATTERY PACK P/N: CBS28-1 S/N: 007120. REPLACED BY A REPAIRED EMERGENCY LIGH - [SDR DXTA2024072900020](https://openairdocs.org/sdr/DXTA2024072900020.md): Light · inoperative · Jul 26, 2024 · N593QS · Cessna 680A · Emergency Lighting > EMERGENCY TOE KICK LIGHT UNDER SEAT 3 IS INOP. EMERGENCY READING LIGHT ABOVE SEAT 3 IS INOP. BOTH LIGHTS ARE ASSOCIATED WITH THE NUMBER TWO BATTERY PACK. GOT TO THE A/C AND POWERED ON AND ALLOWED A/C TO FULLY BOOT UP AS REQ WITH GPU POWER. APPLIED THE EMERGE - [SDR DXTA2024071912391](https://openairdocs.org/sdr/DXTA2024071912391.md): Pin · binding · Jul 18, 2024 · N593QS · Cessna 680A · Passenger/Crew Doors > DOOR DIFFICULT TO OPEN AND CLOSE. BOTTOM AFT PIN REMAINS EXTENDED OUT OF HOLE WHEN DOOR IS OPENED, WILL NOT FULLY RETRACT INTO HOLE. HAD DOOR OPEN LIGHT & CHECK DOOR LIGHT WITH CABIN DOOR CLOSED. FOLLOWED AFM PROCEDURE, LIGHT EXTINGUISHED, BUT ONLY AFTER PUSHI - [SDR DXTA2024040211382](https://openairdocs.org/sdr/DXTA2024040211382.md): Battery · faulted · Apr 2, 2024 · N593QS · Cessna 680A · Emergency Lighting > UPON PREFLIGHT WHILE CONDUCTING EMERGENCY LIGHT TEST FOUND EXIT SIGNS FLANKING MAIN CABIN DOOR NOT ILLUMINATED WHEN SWITCH PLACED IN ON. WHEN SWITCH PLACED IN ARM ALL OTHER LIGHTS EXTINGUISH. REMOVED AND REPLACED EMERGENCY LIGHTING BATTERY PACK ONE IAW MM35-5 - [SDR DXTA2024013010753](https://openairdocs.org/sdr/DXTA2024013010753.md): Generator · defective · Jan 29, 2024 · N593QS · Cessna 680A · DC Generator-Alternator > ON TAXI OUT RECEIVED DC GEN OFF L AMBER CAS MESSAGE. RAN QRH, AND MESSAGE CLEARED. APPROXIMATELY 10 MINUTES LATER, STILL TAXING, THE MESSAGE RETURNED. RAN THE QRH ONE MORE TIME WITH THE MESSAGE CLEARING AND NORMAL INDICATIONS. AFTER TAKE OFF, AT APPROXIMA - [SDR DXTA2023071190730](https://openairdocs.org/sdr/DXTA2023071190730.md): Motor · defective · Jul 10, 2023 · N593QS · Cessna 680A · Doors > CABIN DOOR OPEN AMBER CAS: DURING INITIAL CLIMB OUT, CHECK DOORS CAS AND CABIN DOOR OPEN CAS ILLUMINATED SIMULTANEOUSLY. THE LIGHTS REMAINED ON, AND AFTER SHUTDOWN, THE MAIN CABIN DOOR WAS VISUALLY CONFIRMED LOCKED. THE DOOR WAS THEN OPENED, AND RESECURED, YE - [SDR DXTA2023071090610](https://openairdocs.org/sdr/DXTA2023071090610.md): Unknown · unknown · Jul 8, 2023 · N593QS · Cessna 680A · Passenger/Crew Doors > MAIN DOOR: DURING CLIMB OUT AMBER CABIN DOOR OPEN AND CHECK DOORS CAS CAME ON. COMPLETED CHECKLIST AND RETURNED TO DEPARTURE AIRPORT. AMBER DOOR WARNING LIGHT ON CABIN DOOR ALSO CAME ON WHILE DOOR WAS STILL CLOSED. RESOLUTION: PERFORMED OPS CHECK OF THE MAIN C - [SDR DXTA2022081567950](https://openairdocs.org/sdr/DXTA2022081567950.md): Pcb · defective · Aug 13, 2022 · N593QS · Cessna 680A · Door Warning System > CABIN DOOR OPEN AMBER CAS: CABIN DOOR OPEN AND CHECK DOORS EICAS MESSAGE. PERFORMED CHECK LIST AND MESSAGE CLEARED. THIS HAPPENED SEVERAL TIMES.//CORRECTIVE ACTION// REMOVED AND REPLACED CED MONITOR PCB. COMPLIED WITH 10 CYCLES OPS CHECK OF THE MCD GOOD AND - [SDR DXTA2021120352900](https://openairdocs.org/sdr/DXTA2021120352900.md): None · none · Dec 2, 2021 · N593QS · Cessna 680A · Emergency Lighting > EMERGENCY LIGHTING: WITH EMERGENCY LIGHT SWITCH OFF AND AIRCRAFT DEPOWERED. THE EMERGENCY LIGHTS OVER THE MAIN CABIN DOOR (WHITE EXIT SIGN), 2 RED LIGHTS AT THE LOWER MAIN CABIN DOOR AND THE LIGHT UNDER THE SEAT ACROSS FROM THE MAIN CABIN DOOR (WHITE FLOOR LIG - [SDR 2021FA0000213](https://openairdocs.org/sdr/2021FA0000213.md): Cowling · delaminated · Jul 20, 2021 · N593QS · Cessna 680A · Nacelle/Pylon, Plate/Skin > LH ENGINE UPPER COWLING IS DELAMINATED FROM B/A LEAKS. TEXTRON AVIATION STRUCTURES ENGINEERING DOCUMENT DQ30702M1 DATED JULY 16, 2021. - [SDR 2021F00192](https://openairdocs.org/sdr/2021F00192.md): Cover · corroded · Jul 18, 2021 · N593QS · Accessory Gearboxes > CORROSION ON THE REAR COVER OF THE ACCESSORY GEAR BOX. - [SDR 2021F00191](https://openairdocs.org/sdr/2021F00191.md): Cover · corroded · Jul 18, 2021 · N593QS · Accessory Gearboxes > CORROSION ON THE REAR COVER OF THE ACCESSORY GEAR BOX. - [SDR 2021F00026](https://openairdocs.org/sdr/2021F00026.md): Doubler · cracked · Feb 10, 2021 · N593QS · Cessna 680A · Fuselage Main, Structure > CRACK DAMAGE, NOSE LANDING GEAR WHEEL WELL (NWW), FRAME, WEB, AND DOUBLERS, FS 75. ACCOMPLISHED TEXTRON AVIATION FIELD REPAIR SR-680A-ATA53-25890 REV- DATED JUNE 1, 2020 AND 8100-9 DATED 6/1/2020; STANDARD REPAIR - CRACK DAMAGE, NOSE LANDING GEAR WHEEL WELL (N - [SDR 2021F00024](https://openairdocs.org/sdr/2021F00024.md): Skin · chafed · Feb 9, 2021 · N593QS · Cessna 680A · Fuselage Main, Plate/Skin > LOWER SKIN CHAFE FROM ANTI-ICE CROSS-FLOW VALVE. ACCOMPLISHED TEXTRON AVIATION STANDARD REPAIR SR-680A-ATA53-22175 REV - DATED 7/19/2019; STANDARD REPAIR - 680A ALL S/N LWR SKIN CHAFE FROM ANTI-ICE CROSS-FLOW VALVE. - [SDR DXTA2021020104667](https://openairdocs.org/sdr/DXTA2021020104667.md): I/O Module · defective · Jan 31, 2021 · N593QS · Cessna 680A · Cabin Pressure Control System > WHILE IN CRUISE AT FLIGHT LEVEL 40000 THE ICAS CABIN PRESSURIZATION FAULT DISPLAYED. WENT TO MANUAL AS PER THE CHECK LIST AND THE CABIN ALTITUDE WAS UNCONTROLLABLE.///SIGN-OFF///REMOVED AND REPLACED RIGHT ENGINE AND AIRFRAME I/O UNIT (GEA7100 #3) IAW CE680A AM ## 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 = 'N593QS' AND registry_match = 'registration' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/aircraft/N593QS/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.