# Service difficulty reports: N554QS A list on [N554QS](https://openairdocs.org/aircraft/N554QS.md). Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first. - [SDR DXTA2026082109348](https://openairdocs.org/sdr/DXTA2026082109348.md): Relay · faulty · Aug 19, 2026 · N554QS · Cessna 680A · Light System Wiring > IN FLIGHT WITH EMERGENCY LIGHTS ARMED WHEN PAX SAFETY IS SELECTED OFF ALL EMERGENCY LIGHTS REMAIN ON. WHEN SELECTING EMER LIGHTS TO OFF ALL LIGHTS EXTINGUISH. CORRECTIVE ACTION: REMOVED RELAY S4655-15-022, NO SN, AND INSTALLED NEW RELAY PN: S4655-15-022, NO S - [SDR DXTA2026072308942](https://openairdocs.org/sdr/DXTA2026072308942.md): Elec Connector · disconnected · Jul 21, 2026 · N554QS · Cessna 680A · Light System Wiring > THE EMERGENCY LIGHT IN LAV, ON FLOOR, RT SIDE (TOW KICK LIGHT) DID NOT PASS PREFLIGHT TEST. CHARGED EMERGENCY LIGHTS IAW QRH FOR 30 MINS. LIGHT WAS STILL INOPERATIVE. IT IS SUSPECTED THAT THE BULB MAY BE OUT OR THE WIRING NEEDS TO BE LOOKED AT. THE LIGHT DOES - [SDR DXTA2026061208420](https://openairdocs.org/sdr/DXTA2026061208420.md): Light Sys · faulted · Jun 12, 2026 · N554QS · Cessna 680A · Emergency Lighting > CABIN PREP TEAM REPORTS THE EMER LIGHTS ON N554QS ARE STUCK ON AND WILL NOT SHUT OFF. ACCESSED INERTIAL SWITCH IN COCKPIT CENTER PEDESTAL, PERFORMED RESET / PROCEDURE AND VERIFIED LIGHTS EXTINGUISHED, RAN APU FOR ABOUT 30 TO 45 MINUTES TO PROPERLY CHARGE LIG - [SDR DXTA2026032507370](https://openairdocs.org/sdr/DXTA2026032507370.md): Wire · disconnected · Mar 23, 2026 · N554QS · Cessna 680A · Light System Wiring > EVACUATION PATH LIGHT UNDER SEAT 3 NOT COMING ON. RECONNECTED EMERGENCY PATH LIGHT. OPS CHECK GOOD. IAW AMM 33-50-06 - [SDR DXTA2025122906309](https://openairdocs.org/sdr/DXTA2025122906309.md): Warning Message · illuminated · Dec 26, 2025 · N554QS · Cessna 680A · Door Warning System > PRIOR TO DEPARTURE ON TAXIWAY HEARD AN AUDIBLE CLICK AND ALSO A CABIN DOOR OPEN CAS. FOLLOWED QRH WITH NO SUCCESS AND THEN POWERED COMPLETELY DOWN UNPLUGGING BATTERIES ALSO WITH NO SUCCESS. CALLED MAINT, ALSO WAS UNABLE TO CORRECT. - [SDR DXTA2025052703652](https://openairdocs.org/sdr/DXTA2025052703652.md): Uplock Switch · malfunctioned · May 26, 2025 · N554QS · Cessna 680A · Landing Gear Retraction/Extension System > RIGHT MLG LANDING GEAR EXTENSION: AMBER GEAR DISAGREE R ON EXTENSION INTO LAS. RAN QRH WITH NO SUCCESS. CORRECTIVE ACTION: AFTER INSPECTING RH MLG ASSY, FOUND RH MLG UPLOCK SWITCH TO BE FUALTY. REMOVED FAULTY RH MLG UPLOCK SWITCH AND INSTALLED A CUSTOMER SUPPL - [SDR DXTA2025011501951](https://openairdocs.org/sdr/DXTA2025011501951.md): Battery · defective · Jan 13, 2025 · N554QS · Cessna 680A · Emergency Lighting > EMERGENCY LIGHTING: WITH NO AC POWER APPLIED TO THE AIRCRAFT, WHEN EMER LIGHT SWITCH PLACED TO ARM NO EMER LIGHT COME ON. WHEN EMER LIGHT SWITCH MOVED TO ON WITH NO AC POWER APPLIED ALL EMER LIGHT WORK NORMALLY. CORRECTIVE ACTION: REPLACED BATTERY. OPS CHECK - [SDR DXTA2024031411188](https://openairdocs.org/sdr/DXTA2024031411188.md): Rub Strip · out of limits · Mar 13, 2024 · N554QS · Cessna 680A · Passenger/Crew Doors > MAIN DOOR DOES NOT FREEFALL OPEN WITHOUT A PUSH WHEN RELEASED WITH HANDLE (INTERMITTENT). OPERATED DOOR MULTIPLE TIMES & NOTED DOOR HANG AT TOP WHEN OPENED. INSPECTED DOOR & FOUND SEAL TO BE DIRTY. CLEANED SEAL & PERFORMED OPS CHECK. NOTED DOOR TO STILL HANG - [SDR DXTA2023022180890](https://openairdocs.org/sdr/DXTA2023022180890.md): None · none · Feb 20, 2023 · N554QS · Cessna 680A · Passenger/Crew Doors > MAIN DOOR: MAIN CABIN DOOR IS BINDING IN CLOSED POSITION. HAVE TO HANG ON DOOR TO OPEN FROM OUTSIDE OR USE FEET TO PUSH DOOR OPEN FROM INSIDE. CONFIRMED DOOR IS HARD TO OPEN. FOUND FWD SIDE OF DOOR DRAGGING HEAVILY ON THE RUB BLOCK. MEASURED THE GAP AROUND THE - [SDR DXTA2023020680000](https://openairdocs.org/sdr/DXTA2023020680000.md): Not Reported · not reported · Feb 5, 2023 · N554QS · Cessna 680A · Passenger/Crew Doors > MAIN DOOR HANDLE: UNABLE TO LATCH MAIN CABIN DOOR CLOSED FROM EITHER INSIDE THE AIRCRAFT OF FROM THE OUTSIDE. //SIGNOFF// FOUND 2ND FROM UPPER AFT DOOR PIN OUT OF SEQUENCE. GAINED ACCESS TO PINS, RESET PIN & CLOSED ALL ACCESS IAW CE-680A MM 52-10-50 OPS CHECK - [SDR DXTA2023010477870](https://openairdocs.org/sdr/DXTA2023010477870.md): Light · inoperative · Jan 3, 2023 · N554QS · Cessna 680A · Emergency Lighting > EVACUATION PATH LIGHT AT SEAT 5 INOP, OVERHEAD EVACUATION LIGHT AT SEAT 7 INOP AND OVERWING EVACUATION LIGHT INOP. ALL THESE INOP WHEN TESTING SYSTEM. - [SDR DXTA2022072866900](https://openairdocs.org/sdr/DXTA2022072866900.md): Lock Pin · out of adjust · Jul 28, 2022 · N554QS · Cessna 680A · Passenger/Crew Doors > MAINTENANCE REPORTS THAT THE MAIN CABIN DOOR HANDLE IS STUCK IN THE OPEN POSITION. // SIGNOFF// ATTEMTED TO CLOSE MED DOOR DUPLICATED FAULT FOUND THAT THE MIDDLE AFT LOCK PIN WAS PUSHED IN. GAINED ACCESS BY REMOVING MED STEP AND INSPECTED LOCK PIN ASSEMBELY A - [SDR DXTA2022062364480](https://openairdocs.org/sdr/DXTA2022062364480.md): Motor · faulty · Jun 23, 2022 · N554QS · Cessna 680A · Passenger/Crew Doors > 1) MAIN DOOR: MAIN CABIN DOOR WILL CLOSE EXTERNALLY, USING ELECTRIC MOTOR. IT GOES ABOUT HALF WAY UP, STOPS AND FALLS DOWN. - T2PL6D009DDCJ 2) MAIN DOOR HANDLE: WHEN INTERNALLY CLOSING MAIN CABIN DOOR AND PULLING HANDLE DOWN, HANDLE IS VERY DIFFICULT TO PU - [SDR DXTA2022061563960](https://openairdocs.org/sdr/DXTA2022061563960.md): Switch · intermittent · Jun 15, 2022 · N554QS · Cessna 680A · Passenger/Crew Doors > MAIN DOOR HANDLE: WHEN CLOSING DOOR. MAIN HANDLE IS JAMMED AND WILL NOT LOWER. // SIGNOFF// PERFORMED GENERAL GVI OF THE MED AND FOUND NO DEFECTS. PERFORMED MED RESET PROCEDURE AS PER OPERATING PROCEDURES AFM68AFM 02. MED RESET PERFORMED. MED OPERATION IS NOR - [SDR DXTA2022061563910](https://openairdocs.org/sdr/DXTA2022061563910.md): Connector · loose · Jun 14, 2022 · N554QS · Cessna 680A · Door Warning System > CABIN DOOR OPEN AMBER CAS: CABIN DOOR OPEN CAS MESSAGE WILL NOT EXTINGUISH WHEN CLOSING MED., DOOR OPEN LIGHT IN DOOR STAYS ILLUMINATED. TRIED RESET PROCEDURE AND POWERED DOWN A/C, BOTH UNSUCCESSFUL. //SIGNOFF// PERFORMED DOOR RESET, RESET FAILED INTERREGATE - [SDR DXTA2022052462560](https://openairdocs.org/sdr/DXTA2022052462560.md): Handle · binding · May 24, 2022 · N554QS · Cessna 680A · Passenger/Crew Doors > MAIN DOOR: MAIN CABIN DOOR INSIDE LOCKING HANDLE IS DIFFICULT TO PUSH DOWN IN THREE SPOTS TO SECURE/LOCK DOOR WITH DOOR UP AND CLOSED. OUTSIDE RELEASE OR UNLOCK DOOR HANDLE IS DIFFICULT TO PULL DOWN AND OPEN/RELEASE DOOR TO FREEFALL OPEN. // SIGNOFF// VERIFIED - [SDR DXTA2022050561260](https://openairdocs.org/sdr/DXTA2022050561260.md): Push-Pull Rod · misaligned · May 4, 2022 · N554QS · Cessna 680A · Passenger/Crew Doors > MAIN DOOR HARDWARE: THE MAIN CABIN DOOR WILL CLOSE ELECTRICALLY BUT WILL NOT LOCK. INSPECTION OF THE DOOR REVEALS THAT THE MIDDLE LOCKING PIN ON THE AFT SIDE OF THE DOOR HAS WITHDRAWN OUT OF ITS BUSHING AND INTO THE DOOR INTERIOR. ACTUATING THE LOCKING HANDLE - [SDR DXTA2022042560940](https://openairdocs.org/sdr/DXTA2022042560940.md): Handle · binding · Apr 25, 2022 · N554QS · Cessna 680A · Passenger/Crew Doors > MAIN DOOR HANDLE: MAIN ENTRY DOOR HANDLE REQUIRES LARGE AMOUNT PRESSURE TO PUSH HANDLE DOWN CLOSE POSITION AND ALSO TO OPEN FROM INSIDE, ALSO NOTE FROM OUTSIDE HANDLE TOO. (SEE VIDEO). REPEAT RIGHT UP "CORRECTIVE ACTION" PERFORMED SERVICING OF THE MED LOCKING - [SDR DXTA2022040759890](https://openairdocs.org/sdr/DXTA2022040759890.md): None · none · Apr 7, 2022 · N554QS · Cessna 680A · Passenger/Crew Doors > MAIN DOOR HANDLE: MAIN ENTRY DOOR WILL NOT ENGAGE DOOR PINS WITHOUT USING A LARGE AMOUNT OF PRESSURE TO PUSH THE LEVER DOWN FROM BOTH INSIDE AND OUTSIDE THE AIRCRAFT. (CORRECTIVE ACTION) WHILE INSPECTING FOUND 3 PUSHRODS OUT OF ADJUSTMENT WHICH CAUSED BINDING. ## 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 = 'N554QS' AND registry_match = 'registration' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/aircraft/N554QS/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.