# Service difficulty reports: N548QS A list on [N548QS](https://openairdocs.org/aircraft/N548QS.md). Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first. - [SDR DXTA2026080609144](https://openairdocs.org/sdr/DXTA2026080609144.md): Hinge · lack of lube · Aug 4, 2026 · N548QS · Cessna 680A · Fuselage, Door Hinge > MAIN CABIN DOOR, DURING LAST 1/3 OF TRAVEL DURING EXTENSION, MAKES A WHIRRING OR GRINDING SOUND BEFORE FULLY EXTENDING. CLEANED AND LUBRICATED HINGES. OPS CHECK GOOD. IAW AMM 12-20-40. - [SDR DXTA2025071104181](https://openairdocs.org/sdr/DXTA2025071104181.md): Smoke Detector · defective · Jul 9, 2025 · N548QS · Cessna 680A · Smoke Detection > REPEAT WRITE-UP, DURING PREFLIGHT AND AFTER BAGGAGE FIRE TEST WAS COMPLETED WE GOT RED BAGGAGE FIRE CAS AND A RED BAGGAGE FIRE PUSH BUTTON ILLUMINATED. APU SHUT DOWN. RAN CHECKLIST BUT DID NOT DISCHARGE FIRE BOTTLE. WENT TO VIZUALLY INSPECT BAGGAGE BAY, NO FI - [SDR DXTA2025071004161](https://openairdocs.org/sdr/DXTA2025071004161.md): Detection Sys · no test · Jul 7, 2025 · N548QS · Cessna 680A · Fire Detection > ON CABIN PREP SYSTEMS TEST THE RED BAGGAGE FIRE TEST FAILS. THE RES CAS MESSAGE STAYS ILLUMINATED AND RED BAGGAGE FIRE BUTTON STAYS ILLUMINATED. UNABLE TO REAT OR TEST. CORRECTIVE ACTION; POWERED ON AIRCRAFT, COMPLETED MULTIPLE BAGGAGE COMPARTMENT SMOKE DETEC - [SDR DXTA2025051903517](https://openairdocs.org/sdr/DXTA2025051903517.md): Battery Pack · defective · May 16, 2025 · N548QS · Cessna 680A · Emergency Lighting > EMERGENCY LIGHTING: THE PAST FEW MORNINGS THE EMER LIGHTS DID NOT TEST WITH ARM OR COME ON IN THE ON POSITION DURING PREFLIGHT CHECKS. AFTER CHARGING FOR 15 MINUTES WITH THE APU ON THEY WORKED NORMALLY. CORRECTIVE ACTION; REPLACED ALL EMERGENCY BATTERY PACKS - [SDR DXTA2025051003427](https://openairdocs.org/sdr/DXTA2025051003427.md): Battery · discharged · May 10, 2025 · N548QS · Cessna 680A · Emergency Lighting > CABIN EMERG LIGHT: EMER LIGHTS COME ON FOR A SEC THEN GO OUT DURING PREFLIGHT TEST. CORRECTIVE ACTION: FOUND ALL 4 EMERGENCY LIGHT BATTERIES DISCHARGED. CHARGED BATTERIES AND PERFORMED EMERGENCY LIGHTS OPERATIONAL CHECK IAW CE 680A AMM 33-50-00. OPERATIONAL CH - [SDR DXTA2025050303335](https://openairdocs.org/sdr/DXTA2025050303335.md): Switch · loose · May 3, 2025 · N548QS · Cessna 680A · Emergency Lighting > EMERG LIGHT SWITCH: SWITCH IS LOOSE AND SHORTING OUT. CORRECTIVE ACTION: GAINED ACCESS TO THE EMERG LIGHT SWITCH, PERFORMED A GVI NO DEFECTS NOTED, TIGHTEN THE SWITCH, CLOSED GAINED ACCFSS AND PERFORMED SEVERAL OPS CHECK SATISFACTORY IAW CE-680A AMM 33-50-00. - [SDR DXTA2024011210597](https://openairdocs.org/sdr/DXTA2024011210597.md): Unknown · unknown · Jan 12, 2024 · N548QS · Cessna 680A · Emergency Lighting > EMERGENCY LIGHTS ASSOCIATED WITH #3 EMER BATT PACK ARE INOPERATIVE. PERFORMED INSPECJION OF ALL EMERGENCY POWER SUPPLIES, WIRING, G SWITCHES AND RUSES WITH NO DEFECTS NOTED. PERFORMED BATTERY EXERCISE PROCEDURE WITH NO DEFECTS NOTED AND ALL EMERGENCY UGHTS WO - [SDR DXTA2023103099270](https://openairdocs.org/sdr/DXTA2023103099270.md): Hinge · defective · Oct 29, 2023 · N548QS · Cessna 680A · Fuselage, Door Hinge > MAIN DOOR: CABIN DOOR TOP STEP IS LOOSE AND HAS EXCESSIVE MOVEMENT. //SIGNOFF// VLSUALLY INSPECTED THE TOP STEP AND FOUND THE AFT HINGE BROKEN. REMOVED THE ASSEMBL Y FROM THE DOOR. DISCONNECTED THE TOP STEP ASSEMBLY FROM THE DOOR AND REPLACED THE THREE HINGES - [SDR DXTA2023101297820](https://openairdocs.org/sdr/DXTA2023101297820.md): Unknown · unknown · Oct 12, 2023 · N548QS · Cessna 680A · Drag Control System > WHILE EXTENDING THE SPEEDBRAKES IN FLIGHT WITH AUTOPILOT ON, WE EXPERIENCED THE LEFT WING DIP. THE AUTOPILOT MADE CORRECTIONS TO THE RIGHT WITH AILERONS. ALSO WHILE USING THE SPEEDBRAKE HANDLE, IT FELT SPONGY. IT FELT SMOOTH BUT AS IT GOT CLOSER TO THE DETENT - [SDR DXTA2023081092700](https://openairdocs.org/sdr/DXTA2023081092700.md): Hinge · broken · Aug 9, 2023 · N548QS · Cessna 680A · Fuselage, Door Hinge > THE MAIN DOOR HAND RAIL IS DETACHED, AND DOOR MOTOR DOES NOT ENGAGE. T/S FOUND DOOR HARDWARE MISSING AND- DOOR PIN THREADS DAMAGED REMOVED. DOOR RAIL PIN HINGE P/N 7411321-16 NSN INSTALLED NEW DOOR RAIL PIN HINGE P/N 7411321-16 NSN PERFOMRED SATISFACTORY OPER - [SDR DXTA2023050185240](https://openairdocs.org/sdr/DXTA2023050185240.md): Unknown · unknown · May 1, 2023 · N548QS · Cessna 680A · Cabin Pressure Control System > AFTER TAKEOFF THE AIRCRAFT WOULD NOT PRESSURIZE. CABIN ALTITUDE WAS CLIMBING AT 1300 FPM REACHED APPROX 9500 FT CABIN ALTITUDE WHEN AT FL 180. COULD NOT CONTROL THE CABIN ALTITUDE IN EITHER AUTO OR MANUAL. COMPLIED WITH QRH PROCEDURES AND RETURNED FOR LANDI - [SDR 2021FA0000309](https://openairdocs.org/sdr/2021FA0000309.md): Gearbox · corroded · Nov 2, 2021 · N548QS · Cessna 680A · Accessory Gearboxes > RH ENGINE GEARBOX AFT COVER CORRODED IN MULTIPLE LOCATIONS. - [SDR 2021F00295](https://openairdocs.org/sdr/2021F00295.md): Splice Strap · corroded · Oct 22, 2021 · N548QS · Cessna 680A · Horizontal Stabilizer Structure > LH HORIZONTAL STAB WEDGE PANEL UPPER AND LOWER NUTPLATE STRIP PN: 6932035-31 CORRODED. - [SDR 2021FA0000293](https://openairdocs.org/sdr/2021FA0000293.md): Skin Splice · corroded · Oct 20, 2021 · N548QS · Cessna 680A · Horizontal Stabilizer, Plate/Skin > R/H HORIZONTAL STABILIZER UPPER SKIN CORRODED AT NUTPLATE SPLICE STRIP P/N: 6932035-31. - [SDR 2021FA0000292](https://openairdocs.org/sdr/2021FA0000292.md): Stinger · corroded · Oct 20, 2021 · N548QS · Cessna 680A · Standard Practices/Structures > L/H AND R/H APU UPPER BONDED SKIN ASSEMBLIES EXHIBIT CORROSION NEAR DEBRIS SHIELD. REFERENCE TEXTRON AVIATION ENGINEERING MEMO DQ31884M1 REV. A DATED: 15OCT2021. - [SDR 2021F00259](https://openairdocs.org/sdr/2021F00259.md): Fitting · chafed · Jul 1, 2021 · N548QS · Cessna 680A · Fuselage, Landing Gear Attach Fittings > REPAIR OF RH MLG SIDE BRACE CHAFE. TEXTRON AVIATION ENGINEERING REPAIR LETTER DQ30518M1 DATED: 06/29/2021, 680A-0105 (N548QS) RIGHT MAIN LANDING SIDE BRACE ACTUATOR INBOARD FITTING CHAFE DAMAGE. - [SDR 2021F00038](https://openairdocs.org/sdr/2021F00038.md): Web · cracked · Mar 6, 2021 · N548QS · Cessna 680A · Fuselage Miscellaneous Structure > NLG WHEEL WELL WEB AND UPPER MID FRAME CRACKED. TEXTRON AVIATION STANDARD REPAIR SR-680A ATA-25890 DATED: 6/1/2020, CRACK DAMAGE, NOSE LANDING GEAR WHEEL WELL (NWW), FRAME WEB, AND DOUBLERS FS 75 WITH FAA FORM 8100-9 DATED: 6/1/2020. - [SDR DXTA2021021604756](https://openairdocs.org/sdr/DXTA2021021604756.md): Switch · defective · Feb 16, 2021 · N548QS · Cessna 680A · Landing Gear Brake System > PARK BRAKE ON AMBER CAS: IN FLIGHT, AFTER LANDING GEAR WAS EXTENDED, THE AMBER PARK BRAKE ON CAS ILLUMINATED. RAN QRH, AND YES, PARKING BRAKE HANDLE WAS STOWED. LANDED NORMALLY. PARKING BRAKE FUNCTIONS, EXCEPT WHEN YOU PRESS HANDLE DOWN, PARK BRAKE LOW PRE ## 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 = 'N548QS' AND registry_match = 'registration' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/aircraft/N548QS/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.