# N548QS: 2017 Textron 680A - Status: Valid registration - Airframe: [Textron 680A](https://openairdocs.org/model/textron-680a) (registry code 2076814, 10 seats) - Engine: [Pratt & Whitney Canada PW306D1](https://openairdocs.org/engine/pratt-whitney-canada-pw306d1) (registry code 51850) - Data sheets: [TCDS T00012WI](https://openairdocs.org/tcds/T00012WI) (Textron Aviation Inc.), [TCDS E35NE](https://openairdocs.org/tcds/E35NE) (Pratt & Whitney Canada Corp.) (OpenAirDocs) - Serial number: 680A0105 - Year built: 2017 - Type: Fixed wing multi engine - Engine type: Turbo-fan - Airworthiness: Standard, transport - Airworthiness date: October 23, 2017 - Certificate issued: February 24, 2026 - Expires: February 28, 2033 - Mode S code: A6F713 - Owner type: Co-owned, fractional ownership - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=548QS - Page: https://openairdocs.org/aircraft/N548QS From the FAA registry file of October 24, 2026. ADs below are matched by the registry's airframe and engine model codes. They may apply; each AD's applicability can narrow it by serial number, part number or installed equipment. This is not a compliance determination. ## ADs that may apply (OpenAirDocs): 3 in force ### Matched by airframe (Textron 680A) - [AD 2026-13-02](https://openairdocs.org/ad/2026-13-02): Navigation · Airbus Canada Limited Partnership 18, 49-46, 80-A and 555 more. Effective Jul 1, 2026 - [AD 2023-10-02](https://openairdocs.org/ad/2023-10-02): Indicating/Recording System, Navigation · Boeing 18, 23, 35 and 1,060 more. Effective May 26, 2023 - [AD 2018-07-13](https://openairdocs.org/ad/2018-07-13): Landing Gear · Textron 510, 680 and 680A. Effective May 15, 2018 ### Matched by engine (Pratt & Whitney Canada PW306D1) None in force. ## Information bulletins (advisory) None matched. ## NTSB investigations None matched to N548QS. ## FAA accident and incident reports None matched to N548QS. ## Service difficulty reports (18) As reported by operators and repair stations. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. - [SDR DXTA2026080609144](https://openairdocs.org/sdr/DXTA2026080609144), Aug 4, 2026: HINGE. LACK OF LUBE. 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 - [SDR DXTA2025071104181](https://openairdocs.org/sdr/DXTA2025071104181), Jul 9, 2025: SMOKE DETECTOR. DEFECTIVE. 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 - [SDR DXTA2025071004161](https://openairdocs.org/sdr/DXTA2025071004161), Jul 7, 2025: DETECTION SYS. NO TEST. 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 - [SDR DXTA2025051903517](https://openairdocs.org/sdr/DXTA2025051903517), May 16, 2025: BATTERY PACK. DEFECTIVE. 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 MIN - [SDR DXTA2025051003427](https://openairdocs.org/sdr/DXTA2025051003427), May 10, 2025: BATTERY. DISCHARGED. 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 - [SDR DXTA2025050303335](https://openairdocs.org/sdr/DXTA2025050303335), May 3, 2025: SWITCH. LOOSE. 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 - [SDR DXTA2024011210597](https://openairdocs.org/sdr/DXTA2024011210597), Jan 12, 2024: UNKNOWN. UNKNOWN. EMERGENCY LIGHTS ASSOCIATED WITH #3 EMER BATT PACK ARE INOPERATIVE. PERFORMED INSPECJION OF ALL EMERGENCY POWER SUPPLIES, WIRING, G SWITCHES AND RUSES WITH NO D - [SDR DXTA2023103099270](https://openairdocs.org/sdr/DXTA2023103099270), Oct 29, 2023: HINGE. DEFECTIVE. 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 ASSE - [SDR DXTA2023101297820](https://openairdocs.org/sdr/DXTA2023101297820), Oct 12, 2023: UNKNOWN. UNKNOWN. 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 W - [SDR DXTA2023081092700](https://openairdocs.org/sdr/DXTA2023081092700), Aug 9, 2023: HINGE. BROKEN. 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 - [SDR DXTA2023050185240](https://openairdocs.org/sdr/DXTA2023050185240), May 1, 2023: UNKNOWN. UNKNOWN. 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 - [SDR 2021FA0000309](https://openairdocs.org/sdr/2021FA0000309), Nov 2, 2021: GEARBOX. CORRODED. RH ENGINE GEARBOX AFT COVER CORRODED IN MULTIPLE LOCATIONS. - [SDR 2021F00295](https://openairdocs.org/sdr/2021F00295), Oct 22, 2021: SPLICE STRAP. CORRODED. LH HORIZONTAL STAB WEDGE PANEL UPPER AND LOWER NUTPLATE STRIP PN: 6932035-31 CORRODED. - [SDR 2021FA0000293](https://openairdocs.org/sdr/2021FA0000293), Oct 20, 2021: SKIN SPLICE. CORRODED. R/H HORIZONTAL STABILIZER UPPER SKIN CORRODED AT NUTPLATE SPLICE STRIP P/N: 6932035-31. - [SDR 2021FA0000292](https://openairdocs.org/sdr/2021FA0000292), Oct 20, 2021: STINGER. CORRODED. 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), Jul 1, 2021: FITTING. CHAFED. 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 ACTU - [SDR 2021F00038](https://openairdocs.org/sdr/2021F00038), Mar 6, 2021: WEB. CRACKED. 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 ( - [SDR DXTA2021021604756](https://openairdocs.org/sdr/DXTA2021021604756), Feb 16, 2021: SWITCH. DEFECTIVE. 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. ## Service difficulty reports on N548QS not matched to an aircraft (4) They name N548QS, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft. - [SDR DXTA200601180](https://openairdocs.org/sdr/DXTA200601180), Jan 3, 2006: FIRE WARNING. ILLUMINATED. DURING ROTATION NR 2 ENG FIRE LIGHT ILLUMINATED WITH MASTER WARNING LIGHT & FIRE BELL. DURING EMERGENCY PROCEDURE FIRE LIGHT WENT OUT WHEN HANDLE WAS PULLED. FI - [SDR DXTA200400428](https://openairdocs.org/sdr/DXTA200400428), Oct 17, 2004: BRAKE ASSY. MALFUNCTIONED. WHEN APPLYING THE BRAKES FROM THE LT SEAT, THE FIRST APPLICATION RESULTS IN ALMOST NO BRAKING ACTION. THE PEDALS GO TO THE STOPS WITH VERY LITTLE RESULTS. BREAK - [SDR DXTA200400242](https://openairdocs.org/sdr/DXTA200400242), Feb 12, 2004: ENGINE. SHUTDOWN. ON LANDING WHILE PULLING BACK ON THE THRUST REVERSER LEVERS, NR 1 ENGINE WENT TO SHUTDOWN AND NR 1 ENGINE FIRE LIGHT ILLUMINATED. PULLED NR 1 ENGINE FIRE BOTTLE - [SDR 98ZZZX118](https://openairdocs.org/sdr/98ZZZX118), Jun 28, 1996: WIRE. DAMAGED. HOSE CLAMP HOLDING CUSTOM MADE AIRBOX TO PILOTS SIDE PANEL WAS POSITIONED SO THAT WORM SCREW OF CLAMP FOR SCREWDRIVER SLOT END WAS CUTTING INTO WIRES ON TERMINA ## STCs that may be installed (OpenAirDocs) (16) Approved for this aircraft's airframe or engine model, in force first, then newest. The registry doesn't record which STCs an aircraft has; its records do. ### Approved for the airframe (Textron 680A) - [STC ST04765NY](https://openairdocs.org/stc/ST04765NY): Unprepared (Grass/Sod) Runway Operations. Textron Aviation Inc - [STC ST00885LA](https://openairdocs.org/stc/ST00885LA): Installation of fire extinguisher cartridges as replacements for Pacific Scientific fire extinguisher cartridges in fire extinguisher bottles. AMETEK AMERON, LLC d/b/a MASS Systems - [STC ST12344IB](https://openairdocs.org/stc/ST12344IB): Replacement of the Halon Type 1211 portable fire extinguisher with Halotron BrX portable fire extinguisher with Halotron BrX portable fire extinguisher. Cessna Duesseldorf Citation Service Center GmbH - [STC ST122244IB](https://openairdocs.org/stc/ST122244IB): Installation of Gogo Galileo system, including HDX Antenna. Alamo Engineering GmbH - [STC ST03885AT](https://openairdocs.org/stc/ST03885AT): Installation of an Avionica, Inc. avCM Cellular Module. Aircraft Systems and Manufacturing Inc - [STC ST11983SE](https://openairdocs.org/stc/ST11983SE): Installation of Starlink Aviation System. AeroMech Incorporated - [STC ST02472AT](https://openairdocs.org/stc/ST02472AT): Installation of a mini Quick Access Recorder (QAR) model MKI, MKII, or MKIII. Aircraft Systems and Manufacturing Inc - [STC ST01117DE](https://openairdocs.org/stc/ST01117DE): Installation of the Gogo ATG C1. Peregrine - [STC ST02037WI](https://openairdocs.org/stc/ST02037WI): Installation of Gogo Business Aviation AVANCE L5 System with MB 13 Antennas. Duncan Aviation Inc - [STC ST04736NY](https://openairdocs.org/stc/ST04736NY): True Blue TS28 Emergency Battery Power Supply Replacement. Aerospace Design and Compliance LLC - [STC ST01936WI](https://openairdocs.org/stc/ST01936WI): Installation of LED lights. AeroLED's Holdings LLC - [STC ST04575AT](https://openairdocs.org/stc/ST04575AT): Installation of the Rockwell Collins ALT-1000+/ -4000+ with 5G Filtering. Chippewa Aerospace Inc - [STC ST04367CH](https://openairdocs.org/stc/ST04367CH): Installation of a Medical Interior in accordance with LifePort Master Data List EGR-887-000-001, Revision (B), dated April 18, 2019 or later FAA approved revision and LifePort Master Drawing List MDL-887-00, Revision (D), dated April 11, 2019 or later FAA approved revision.". LifePort LLC - [STC ST01027DE](https://openairdocs.org/stc/ST01027DE): Installation of MarathonNorco Aerospace Inc Nickel Cadmium battery in place of existing Nickel Cadmium main aircraft battery/batteries. MarathonNorco Aerospace Inc - [STC ST11071SC](https://openairdocs.org/stc/ST11071SC): Demonstration of aircraft critical equipment and antenna systems tolerance of radio frequency interference (RFI) from intentional or spurious transmissions from certain Portable Electronic Devices (PEDs). Liberty Partners Inc - [STC ST11168SC](https://openairdocs.org/stc/ST11168SC): Installation of a Pratt & Whitney Flight Data Acquisition, Storage, and Transmission System (FAST). Pratt & Whitney Engine Services Inc ## Related - Other Textron 680A aircraft: https://openairdocs.org/model/textron-680a/aircraft.md - The Pratt & Whitney Canada PW306D1 engine: https://openairdocs.org/engine/pratt-whitney-canada-pw306d1.md --- 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.