# N540QS: 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: 680A0083 - Year built: 2017 - Type: Fixed wing multi engine - Engine type: Turbo-fan - Airworthiness: Standard, transport - Airworthiness date: May 22, 2017 - Certificate issued: July 18, 2025 - Expires: July 31, 2032 - Mode S code: A6D95B - Owner type: Co-owned, fractional ownership - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=540QS - Page: https://openairdocs.org/aircraft/N540QS 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 N540QS. ## FAA accident and incident reports None matched to N540QS. ## Service difficulty reports (19) 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 DXTA2026081809299](https://openairdocs.org/sdr/DXTA2026081809299), Aug 15, 2026: TRIM SWITCH. FAULTED. ON DEPARTURE THROUGH 500 FT THERE WAS NO RESPONSE FROM THE PITCH TRIM. THE NOSE CONTINUED TO PITCH UP AND WE ACTIVATED THE SECONDARY TRIM SYSTEM. AT THAT TIME B - [SDR DXTA2026060508322](https://openairdocs.org/sdr/DXTA2026060508322), Jun 2, 2026: MOTOR. FAULTED. WHEN CLIMBING, WITH THE AUTOPILOT ENGAGED, BETWEEN FL210 AND FL220, THE AMBER STAB TRIM MONITOR MESSAGE POSTED. WE RAN THE QRH AND MANUALLY USED THE PRIMARY STA - [SDR DXTA2025030302522](https://openairdocs.org/sdr/DXTA2025030302522), Feb 26, 2025: ACTUATOR. DEFECTIVE. GEAR DISAGREE N AMBER CAS: ENROUTE FL410 LOUD BANG FOLLOWED BY GEAR DISAGREE N AND SHADED NOSEGEAR. FELT NOSEGEAR WAS PARTIALLY DOWN. AT 180KIAS AT APPROX FL300 - [SDR DXTA2024051311735](https://openairdocs.org/sdr/DXTA2024051311735), May 10, 2024: WIRE HARNESS. DAMAGED. CABIN DOOR CAS MESSAGE WHEN DOOR IS CLOSED BUT WONT LATCH ALL THE WAY. AIRCRAFT WAS TROUBLESHOT DOWN TO A POTENTIAL BAD SOLENOID. REMOVED AND. REPLACED CABIN DO - [SDR DXTA2024050911716](https://openairdocs.org/sdr/DXTA2024050911716), May 8, 2024: SPACER. OUT OF POSITION. MAIN CABIN DOOR IS NOT CLOSING. WE NOTICED THE EXTERNAL HANDLE IS NOT CLOSING FLUSH WITH THE DOOR. BEGAN TROUBLESHOOTING. CONNECTED POWER CART AND PERFORMED OPS - [SDR DXTA2024042211577](https://openairdocs.org/sdr/DXTA2024042211577), Apr 22, 2024: MIRROR. DIRTY. ON CLOSURE OF MAIN CABIN DOOR & VISUALLY INSPECTING THE LOCKING PINS, ONLY TWO OF SIX HASH MARKS WERE ABLE TO BE SEEN. ALSO HAD TO MANUALLY RESET THE CABIN LIFT - [SDR DXTA2024022610991](https://openairdocs.org/sdr/DXTA2024022610991), Feb 23, 2024: LIGHT. NONE. EMERGENCY LIGHTS INOPERATIVE. PERFORMED OPERATIONAL CHECK OF THE EMERGENCY EXIT LIGHTS BOTH INTERIOR AND EXTERIOR. OPERATIONAL CHECK GOOD. NO FURTHER DEFECTS FU - [SDR EBVR450D110723001](https://openairdocs.org/sdr/EBVR450D110723001), Nov 7, 2023: TAIL CONE. CORRODED. CORROSION FOUND ON R/H TAIL STINGER, STARTED REMOVING CORROSION FROM THE TAILCONE STINGER RH FWD SKIN AND NOTED SEVERE LEVEL 2 CORROSION THAT EXTENDS THROUGH TH - [SDR DXTA2023080792470](https://openairdocs.org/sdr/DXTA2023080792470), Aug 7, 2023: UNKNOWN. UNKNOWN. WHEN APPLYING MODERATE TO HEAVY BRAKING ON LANDING, BRAKES ARE VERY LOUD AND SHUTTER, SHAKING THE WHILE PLANE. WHEN DOING RADIUS TURNS IN THE WET, THE BRAKES AR - [SDR DXTA2022060362170](https://openairdocs.org/sdr/DXTA2022060362170), Jun 3, 2022: CONNECTOR. BROKEN. FLOOR EMERG EXIT LIGHT: AISLE PATH LIGHT IN LAV IS INOP. LIGHT DOES NOT WORK WITH EMER LIGHT SWITCH ON OR WITH AIRCRAFT BATTERIES ON.//CORRECTIVE ACTION// TS TO - [SDR DXTA2022051661830](https://openairdocs.org/sdr/DXTA2022051661830), May 15, 2022: WINDSHIELD. BROKEN. CAPTAIN COCKPIT WINDOW: AT 11000 FEET HEARD LOUD CRACK FROM LEFT SIDE COCKPIT WINDOW AND NOTICED HUGE CIRCULAR CRACK. VMC CONDITIONS. NO QRH PROCEDURE. // SIGNO - [SDR DXTA2021111752030](https://openairdocs.org/sdr/DXTA2021111752030), Nov 16, 2021: NONE. NONE. SEVERE TURBULENCE: SEVERE TURBULENCE ENCOUNTERED THREE SEPERATE TIMES. MOMENTARY LOSS OF ALTITUDE AND AIRSPEED CONTROL WHICH RESULTED IN AN OVERSPEED CONDITION. - [SDR DXTA2021081046700](https://openairdocs.org/sdr/DXTA2021081046700), Aug 9, 2021: NUT. LOOSE. MAIN DOOR HANDLE: THE RED BUTTON ON THE MAIN CABIN DOOR HANDLE HAS POPPED OUT AND IS LOOSE. // SIGN OFF // REMOVED MCD STEP A5SY AND GAINED ACCESS TO BACK SIDE - [SDR 2021F00076](https://openairdocs.org/sdr/2021F00076), Apr 16, 2021: FRAME. CRACKED. NLG WHEEL WELL WEB AND UPPER MID FRAME CRACKED. REPAIR SR-680A-ATA53-25890 DATED: 6/1/2020, CRACK DAMAGE, NOSE LANDING GEAR WHEEL WELL (NWW), FRAME WEB, AND DOU - [SDR DXTA2021031939670](https://openairdocs.org/sdr/DXTA2021031939670), Mar 18, 2021: BATTERY. DEFECTIVE. MAIN EXIT SIGN/LIGHT: MAIN EXIT SIGNS LOWER LEFT AND RIGHT AND SEAT 10 EMER LIGHTS INOP ON PREFLIGHT CHECK.///SIGN-OFF///FOUND #1 BATTERY EMERGENCY BATTERY DEAD - [SDR DXTA030120213882](https://openairdocs.org/sdr/DXTA030120213882), Mar 1, 2021: BATTERY PACK. DEFECTIVE. EMERG EXIT SIGN/LIGHT: EXIT SIGN ON LEFT AFT DIVIDER DOES NOT ILLUMINATE DURING EMERGENCY LIGHT TEST. WHEN AIRCRAFT IS POWERED LIGHT ILLUMINATES. EMERGENCY EXIT - [SDR DXTA2021012704648](https://openairdocs.org/sdr/DXTA2021012704648), Jan 27, 2021: BATTERY PACK. DISCHARGED. EMERGENCY BATTERIES ARE COMPLETELY DEAD. SWITCH WAS IN OFF POSITION WHEN WE ARRIVED. POWERED UP A/C AND LET EMER BATTERIES CHARGE FOR SEVERAL HOURS. PERFORMED E - [SDR DXTA2019031302159](https://openairdocs.org/sdr/DXTA2019031302159), Mar 21, 2019: NOT REPORTED. MALFUNCTIONED. RIGHT MLG LANDING GEAR RETRACTION DID NOT RETRACT - RIGHT MAIN LANDING GEAR WOULD NOT RETRACT AS INDICATED BY BOX WITH CROSS HATCH. PERFORMED QRC AND RETURNED T - [SDR DXTA2019032102188](https://openairdocs.org/sdr/DXTA2019032102188), Mar 20, 2019: UPLOCK SWITCH. INOPERATIVE. RIGHT MLG LANDING GEAR RETRACTION DID NOT RETRACT - RIGHT MAIN LANDING GESR WOULD NOT RETRACT AS INDICATED BY BOX WITH CROSS HATCH. PERFORMED QRC AND RETURNED T ## Service difficulty reports on N540QS not matched to an aircraft (3) They name N540QS, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft. - [SDR DXTA200300205](https://openairdocs.org/sdr/DXTA200300205), Dec 18, 2003: CONTROLLER. MALFUNCTIONED. DURING FLIGHT FROM TEB TO ADS DURING DESCENT FLAPS WILL NOT LOWER WHEN SELECTED TO 15, 25, OR 45 DEGREES. DIVERTED TO DFW AND LANDED SAFELY. ITEM IS UNDER INVES - [SDR DXTA200300109](https://openairdocs.org/sdr/DXTA200300109), Sep 2, 2003: INDICATOR. ERRATIC. ON TAKEOFF ROLL FLAP POSITION INDICATOR HAD ERRATIC MOVEMENT, FROM THE SET POSITION OF 15 DEGREES THEN MOVED TO 20 DEGREES THEN TO 25 DEGREES AND THEN BACK TO 1 - [SDR 97DXTA087](https://openairdocs.org/sdr/97DXTA087), Nov 1, 1996: CONTROL VALVE. WRONG POSITION. AIRCRAFT WILL NOT PRESSURIZE IN FLIGHT. FOUND MANUAL CONTROL VALVE 'OPEN' DURING GROUND CHECK. REPOSITIONED VALVE TO 'CLOSED'. (X) ## 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.