# N940QS: 2023 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: 680A0373 - Year built: 2023 - Type: Fixed wing multi engine - Engine type: Turbo-fan - Airworthiness: Standard, transport - Airworthiness date: December 14, 2023 - Certificate issued: July 28, 2026 - Expires: July 31, 2033 - Mode S code: AD0E97 - Owner type: Co-owned, fractional ownership - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=940QS - Page: https://openairdocs.org/aircraft/N940QS 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 N940QS. ## FAA accident and incident reports None matched to N940QS. ## Service difficulty reports (6) 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 DXTA2026073109065](https://openairdocs.org/sdr/DXTA2026073109065), Jul 30, 2026: BATTERY PACK. INOPERATIVE. EMER LIGHTS (INTERIOR AND EXTERIOR) DO NOT FUNCTION IN ARM. ALL LIGHTS WORK IN ON. CHARGING PROCEDURE ACCOMPLISHED. REPLACED BATTERY PACK. OPS CHECKED GOOD. IAW - [SDR DXTA2026071008734](https://openairdocs.org/sdr/DXTA2026071008734), Jul 7, 2026: ANTI-ICE VALVE. FAULTED. DESCENDING THROUGH 28,000 FEET, WE TURNED ON THE ANTI-ICE SYSTEM. A FEW MOMENTS LATER RECEIVED CAS WARNING MSG: ANTI-ICE WING XFLOW OPEN. AFTER TURNING TO AVOID - [SDR DXTA2025120405926](https://openairdocs.org/sdr/DXTA2025120405926), Dec 1, 2025: PCB. FAULTED. LEFT MAIN LANDING GEAR. GEAR DISAGREE. ON APPROACH TO LANDING RECEIVED GEAR DISAGREE. BLEW GEAR DOWN FOLLOWING QRH PROCEEDURE. STILL HAD GEAR DISAGREE AFTER BLO - [SDR DXTA2025062403990](https://openairdocs.org/sdr/DXTA2025062403990), Jun 21, 2025: BATTERY PACK. INOPERATIVE. EMERGENCY LIGHTS BATTERY: EMER LIGHTS WILL NOT ILLUMINATE WHEN SELECTOR IS IN ARM POSITION. THEY ALL ILLUMINATE WHEN THE SELECTOR IS IN THE ON POSITION. WE PERF - [SDR DXTA2024120201278](https://openairdocs.org/sdr/DXTA2024120201278), Nov 25, 2024: DOOR. STIFF. MAIN DOOR: MAIN CABIN DOOR IS HARD TO CLOSE. CORRECTIVE ACTION; CYCLED MED AND VERIFIED HARD TO CLOSE AND REQUIRED MORE THAT 20 POUND FORCE TO OPEN, VERIFIED LA - [SDR DXTA2024032811323](https://openairdocs.org/sdr/DXTA2024032811323), Mar 26, 2024: SWITCH. FAILED. WHILE TAXIING, AMBER CABIN DOOR OPEN CAS MESSAGE ILLUMINATED. DISCOVED CABIN DOOR OPEN CAUTION LIGHT AT DOOR HANDLE ALSO HAD ILLUMATED. QRH RESET PROCEDURE WAS ## Service difficulty reports on N940QS not matched to an aircraft (19) They name N940QS, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft. - [SDR JGVR2018111201](https://openairdocs.org/sdr/JGVR2018111201), Nov 12, 2018: SKIN. DAMAGED. RH WING UPPER TRAILING EDGE SKIN AT APPROXIMATELY WS 71.45 ABOVE INBD FLAP INBD ACTUATOR HAS 1 RIVET PULLED THROUGH THE SKIN AND HAS LEFT A SLIGHT DEPRESSION AR - [SDR 2017FA0000245](https://openairdocs.org/sdr/2017FA0000245), Jun 13, 2017: DOUBLER. GOUGED. DOUBLER GOUGED. REPAIRED IAW S-750-0285/04RD, REV A. - [SDR DXTA2014080605849](https://openairdocs.org/sdr/DXTA2014080605849), Jul 22, 2014: PIN. SHORTED. ON TAKEOFF THE NOSE GEAR DOES NOT RETRACT NORMALLY. WITH THE GEAR HANDLE IN THE UP POSITION, THE MANUAL NOSE GEAR UPL DOES NOT SEAT PROPERLY. A SIDE HYD PRESS C - [SDR DXTA2014080605848](https://openairdocs.org/sdr/DXTA2014080605848), Jul 20, 2014: STRUT. LOW. DURING NORMAL GEAR RETRACTION THE NOSE GEAR DOES NOT CATCH ON THE UNLOCKS UNTIL AFTER SEVERAL HYD POWER SURGES. THIS SURGING IS ACCOMPANIED BY A POUNDING NOISE - [SDR DXTA2014052705781](https://openairdocs.org/sdr/DXTA2014052705781), May 23, 2014: LANDING GEAR. MALFUNCTIONED. NOSE GEAR WOULD NOT RETRACT AFTER TAKEOFF. COMPLIED WITH CHECKLIST & EXTENDED GEAR, NO OTHER ABNORMAL INDICATIONS WERE NOTED. JACKED ACFT & APPLIED HYD POWER. C - [SDR DXTA2013072305456](https://openairdocs.org/sdr/DXTA2013072305456), Jul 23, 2013: RESERVOIR. OVERSERVICED. AFTER TAKE OFF, NLG WOULD NOT RETRACT. NLG GREEN DOWN AND LOCKED LIGHT NEVER EXTINGUISHED. RT AND LT MLG RETRACTED NORMALLY. RED UNSAFE LIGHT ILLUMINATED. PLACE - [SDR DXTA2011102704766](https://openairdocs.org/sdr/DXTA2011102704766), Oct 26, 2011: ACM. FAILED. 2 HOURS INTO FLIGHT AT FL400, NOTICED AN UNKNOWN ODOR IN CABIN. PASSENGERS CONFIRMED AND STARTED A DESCENT FOR LANDING AT THE NEAREST AIRPORT. PILOT AND PASSENG - [SDR DXTA2010090704224](https://openairdocs.org/sdr/DXTA2010090704224), Sep 6, 2010: LANDING GEAR. MALFUNCTIONED. NOSE GEAR WOULD NOT RETRACT AFTER TAKEOFF, MAINS RETRACTED, GEAR EXTENDED NORMAL, WITH 3 GREEN LIGHTS RETURNED TO LAND. - [SDR DXTA2010082604207](https://openairdocs.org/sdr/DXTA2010082604207), Aug 25, 2010: STEERING UNIT. INOPERATIVE. ON DEPARTURE, NOSE GEAR DID NOT RETRACT. CYCLED GEAR-OPS NORMAL. GEAR EXTENDED NORMALLY. TROUBLESHOT SYS AND FOUND NOSE STEERING UNIT NOT CTG WHEN NOSE GEAR RET - [SDR DXTA2010060404111](https://openairdocs.org/sdr/DXTA2010060404111), Jun 3, 2010: UPLOCK. OUT OF ADJUST. NOSE GEAR HAD "BUMP IN THE NIGHT" ON DESCENT. JACKED ACFT, STRUT EXTENSION CHECKED GOOD AT 9.7" SERVICE CHECKED GOOD. (NOSE STRUT) MM 12-10-38. EMERGENCY GEAR R - [SDR DXTA2010052704104](https://openairdocs.org/sdr/DXTA2010052704104), May 26, 2010: STRUT. UNDERSERVICED. NOSE GEAR BUMPS UP DURING CRUISE. PERFORMED GEAR BUMP TROUBLESHOOTING IAW MM 32-30-00. SERVICED STRUT AS REQUIRED IAW MM 12-10-38. OPS CHECKS GOOD. - [SDR DXTA2010042904079](https://openairdocs.org/sdr/DXTA2010042904079), Apr 28, 2010: STEERING UNIT. MALFUNCTIONED. NOSE GEAR FAILED TO RETRACT. GEAR UNSAFE LIGHT AND NOSE GEAR DOWN LIGHT REMAINED ON. MAIN GEAR RETRACTED PROPERLY. JACK ACFT, TROUBLESHOOT SYS TO A FAULTY NOSE - [SDR DXTA2009122803916](https://openairdocs.org/sdr/DXTA2009122803916), Dec 27, 2009: STEERING UNIT. FAULTY. AFTER TAKEOFF, DURING LANDING GEAR RETRACTION, THE NLG REMAINED DOWN WITH 3 GREEN LIGHTS AND RED LIGHTS ILLUMINATED MLG RETRACTED NORMALLY WITH NORMAL HYD PRESS - [SDR DXTA2009030203523](https://openairdocs.org/sdr/DXTA2009030203523), Feb 27, 2009: STEERING SYS. WARNING LIGHT. AFTER DEPARTURE WHILE GEAR HANDLE WAS SELECTED UP, THE MAINS INDICATED UP, THE NOSE INDICATION WAS DOWN AND LOCKED WITH THE UNLOCK LIGHT ILLUMINATED. REPLACED P - [SDR DXTA2009020703496](https://openairdocs.org/sdr/DXTA2009020703496), Feb 7, 2009: BRAKE. OUT OF RIG. FOUND LACK OF FREE PLAY IN LT BRAKE CABLE RIG. ADJUSTED CABLE TURNBARREL FOR FREE PLAY AND SAFTIED. TAXIED ACFT, OPS CHECK GOOD OF LT AND BRAKES ON PILOTS AND C - [SDR DXTA2009020903496](https://openairdocs.org/sdr/DXTA2009020903496), Feb 7, 2009: BRAKE ASSY. MALFUNCTIONED. LT BRAKE GRABS HARD DURING LANDING. - [SDR DXTA200809233285](https://openairdocs.org/sdr/DXTA200809233285), Sep 23, 2008: UNKNOWN. ODOR. INTERMITTENT FUMES OF UNKNOWN ORGIN DETECTED IN COCKPIT APPROX 1.5 HOUR INTO FLT FL 360 DEFINITE ODOR LIKE MATCHES/CIGARETTE. LASTED 10-15 SECONDS PAX NOT SMOKI - [SDR DXTA20080923328A](https://openairdocs.org/sdr/DXTA20080923328A), Sep 23, 2008: LANDING GEAR. MALFUNCTIONED. AFTER TAKE-OFF, RETRACTED LANDING GEAR AND THE MAIN GEAR RETRACTED WHILE THE NOSE GEAR INDICATED DOWN AND LOCKED. AIR NOISE AGREED WITH NOSE GEAR BEING DOWN. PL - [SDR DXTA200803285](https://openairdocs.org/sdr/DXTA200803285), Sep 23, 2008: UNKNOWN. MALFUNCTIONED. AFTER TAKE OFF, RETRACTED LANDING GEAR THE MAIN GEAR RETRACTED WHILE THE NOSE GEAR INDICATED DOWN AND LOCKED. ## 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.