# N951QS: 2024 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: 680A0384 - Year built: 2024 - Type: Fixed wing multi engine - Engine type: Turbo-fan - Airworthiness: Standard, transport - Airworthiness date: March 15, 2024 - Certificate issued: November 21, 2025 - Expires: November 30, 2032 - Mode S code: AD39CD - Owner type: Co-owned, fractional ownership - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=951QS - Page: https://openairdocs.org/aircraft/N951QS 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 N951QS. ## FAA accident and incident reports None matched to N951QS. ## Service difficulty reports (7) 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 DXTA2025102705468](https://openairdocs.org/sdr/DXTA2025102705468), Oct 26, 2025: AIR FILTER. DIRTY. WHILE SITTING ON THE RAMP, AIRCRAFT POWERED UP WITH THE APU RUNNING WITH THE AIR ON AND THE DOOR CLOSED, FOR ABOUT 20 MIN. STARTED GETTING A BURNING SMELL, HAD - [SDR DXTA2025090804831](https://openairdocs.org/sdr/DXTA2025090804831), Sep 4, 2025: BATTERY PACK. MALFUNCTIONED. EMERGENCY BATTERY PACK NUMBER TWO WILL NOT TURN OFF. ACCOMPLISHED AN EMERGENCY CHECKLIST TO PUSH PEDESTAL BUTTON. THE LIGHTS DID NOT GO OUT. THE EMERGENCY LIGHT - [SDR DXTA2025042203133](https://openairdocs.org/sdr/DXTA2025042203133), Apr 17, 2025: AIR FILTER. DIRTY. NOITCED A HOT PLASTIC ENVIRONMENTAL ODOR ON CLIMB THROUGH 30000FT. ODOR WENT AWAY AT CRUISE AFTER SELECTING HIGHER COCKPIT TEMP. NO ODOR OBSERVED IN CABIN. ON D - [SDR DXTA2025022002418](https://openairdocs.org/sdr/DXTA2025022002418), Feb 18, 2025: AIR FILTER. ODOR. COCKPIT ODOR: AFTER DEPARTURE WE SMELLED A BURNING SMELL THROUGH THE COCKPIT AIR VENTS AND THE PASSENGER AIR VENTS. THE SMELL DISSIPATED AFTER 10 MINUTES OF FLI - [SDR DXTA2024102400930](https://openairdocs.org/sdr/DXTA2024102400930), Oct 23, 2024: SCISSORS. FAILED. MAIN DOOR: MAIN CABIN DOOR LIFT SCISSORS CAME APART FOUND HARDWARE ON GROUND. CORRECTIVE ACTION; REINSTALLED MAIN CABIN DOOR LIFT LINK IAW CE-680A MM 52-15-15. - [SDR DXTA2024060711981](https://openairdocs.org/sdr/DXTA2024060711981), Jun 6, 2024: BUSS. FAULTED. AT FL350 THE AMBER DC GEN AMPS CAS ILLUMINATED. WE COMPLIED WITH THE CHECKLIST AND IT INDICATED A FAULT ON THE BATTERY BUS OR EMER BUS. GEAR BLOW DOWN WAS REQUI - [SDR DXTA2024052811892](https://openairdocs.org/sdr/DXTA2024052811892), May 27, 2024: PCB. FAILED. DC GEN AMPS L AMBER CAS: MESSAGE ILLUMINATED IN FLIGHT CLIMBING THROUGH FL310. L GEN AMPS PEAKED AT 410 AMPS. COMPLIED WITH QRH PROCEDURE WHICH INDICATED FAULT ## Service difficulty reports on N951QS not matched to an aircraft (25) They name N951QS, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft. - [SDR DXTA2016060506250](https://openairdocs.org/sdr/DXTA2016060506250), Jun 5, 2016: FLOAT VALVE. DEFECTIVE. WING TANK O'FULL R CAS MSG CLIMBING THROUGH 37000' 270 KIAS WITH 30LBS FUEL IN CENTER TANK & APPROX 3100 LBS IN EACH WING TANK. VISUALLY OBSERVED FUEL VENTING. - [SDR DXTA2012112605194](https://openairdocs.org/sdr/DXTA2012112605194), Nov 25, 2012: MODULE. MALFUNCTIONED. AT TOUCH DOWN A STRONG ODOR DETECTED IN COCKPIT AND GOT STRONGER WHEN APU BLEED AIR WAS PLACED IN HIGH. AT THE SAME TIME AURAL WARNING TONES 1 AND 2 CONTINUOUSL - [SDR DXTA2012070605038](https://openairdocs.org/sdr/DXTA2012070605038), Jan 24, 2012: ACCESS PANEL. DAMAGED. LT AND RT WINGS HAVE A COMBINED 33 WING PANEL LANDS THAT ARE CORRODED BEYOND PUBLISHED LIMITS. REPAIRED IAW RD S750-0151/13RD2. - [SDR DXTA2010063004135](https://openairdocs.org/sdr/DXTA2010063004135), Jun 29, 2010: ACM. FAILED. ON POWER REDUCTION, DESCENDING THROUGH 41000 FT, WHEN THE PAC HP VALVE OPEN ICAS COMES ON THERE IS A STRONG HOT SMELL FROM THE VENTS. ISOLATED THE PROBLEM TO TH - [SDR DXTA2010030804021](https://openairdocs.org/sdr/DXTA2010030804021), Mar 6, 2010: UPLOCK SWITCH. OUT OF ADJUST. LANDING GEAR DID NOT RETRACT NORMALLY. RED UNLOCK LIGHT ILLUMINATED ALONG WITH REPETITIVE LOUD BANGING FROM THE NOSEWELL AREA. GEAR EXTENDED NORMALLY. ADJUSTED - [SDR DXTA2009121803899](https://openairdocs.org/sdr/DXTA2009121803899), Dec 17, 2009: COMPRESSOR. INOPERATIVE. DURING DESCENT BELOW FL300 WITH THROTTLES PULLED BACK & PA HP VALVE OPEN L-R CAS MESSAGE ILLUMINATED, A LOUD BANG HEARD BY BOTH PAX & CREW. COMING FROM AFT OF P - [SDR DXTA2009072903744](https://openairdocs.org/sdr/DXTA2009072903744), Jul 28, 2009: UPLOCK SWITCH. OUT OF RIG. DESCENDING THRU 20,000 FT AND 340KTS INDICATED THE NOSE GEAR STARTED TO EXTEND FOLLOWED BY GEAR UNLOCK LIGHT THEN RETRACTED BACK UP. FOUND ALL 3 UPLOCK SWITCHES - [SDR DXTA2009070603717](https://openairdocs.org/sdr/DXTA2009070603717), Jul 5, 2009: BRAKE ASSY. WEAK. PILOT SIDE BRAKES FEEL SOFT AND SEEM TO REQUIRE EXTRA PRESSURE TO GET ADEQUATE BRAKING, ESPECIALLY AT HIGH SPEEDS AND HIGH WEIGHTS, ALSO WHEN SETTING PARKING BR - [SDR DXTA2009070603719](https://openairdocs.org/sdr/DXTA2009070603719), Jul 4, 2009: BRAKE ASSY. WEAK. PILOT SIDE BRAKES FEEL SOFT AND SEEM TO REQUIRE EXTRA PRESSURE TO GET ADEQUATE BRAKING ON LANDING AND WHEN SETTING THE PARKING BRAKE. VERIFIED SQUAWK. PERFORMED - [SDR DXTA20082947](https://openairdocs.org/sdr/DXTA20082947), Mar 18, 2008: ACTUATOR. INOPERATIVE. RUD LIMIT FAIL A CAS MSG CAME ON IN FLIGHT. RUDDER LIMIT 20 PERCENT. REMOVED ACTUATOR P/N 9914558-12 S/N 072 AND INSTALLED OVERHAULED ACTUATOR P/N 9914558-12 S/ - [SDR DXTA200702146](https://openairdocs.org/sdr/DXTA200702146), Apr 26, 2007: UNKNOWN. WARNING LIGHT. TAKEOFF ABORTED DUE TO MACH TRIM OFF AND YD DAMP OFF CAS MESSAGE PRIOR TO 80 KTS. [SUP 05-02-07] CONFIRMED SPLIT IN AIRSPEED INDICATION AS WELL AS CONFIRIMED DI - [SDR DXTA200702087](https://openairdocs.org/sdr/DXTA200702087), Apr 6, 2007: HANDLE. STUCK. LANDING GEAR HANDLE WOULD NOT MOVE TO THE GEAR RETRACTED/ GEAR UP POSITION AFTER TAKEOFF. GEAR REMAINED EXTENDED. RIGGED NOSE LANDING GEAR SQUAT SWITCH IAW 750 - [SDR DXTA200702071](https://openairdocs.org/sdr/DXTA200702071), Apr 3, 2007: WIRE. DAMAGED. APPROXIMATELY 40 KTS ON TAKEOFF ROLL AIRCRAFT SHIMMEYED VIOLANTLY TAKEOFF ABORTED YAW DAMP OFF LOWER NOTED IN NOTED IN EICAS. VISUAL INSPECTION NOTED NOSE GEAR - [SDR DXTA200601733](https://openairdocs.org/sdr/DXTA200601733), Nov 16, 2006: BRAKE ASSY. FAILED. ANTISKID AMBER CAS MESSAGE ON DURING FLIGHT. ON LANDING EMERGENCY BRAKES USED AND ALL 4 TIRES BLEW OUT. COMPLIED WITH ANTI SKID FUNCTION CHECK IAW MM 30-42-00 O - [SDR DXTA200601752](https://openairdocs.org/sdr/DXTA200601752), Nov 12, 2006: SERVO CONTROL. BINDING. CONTROL WHEEL RATCHETING. LT CONTROL WHEEL THE RATCHETING IS MORE DEFINED. REMOVED AND REPLACED AFT AILERON SECTOR PCU IAW MM CHPT. 27-10-01. - [SDR DXTA200601726](https://openairdocs.org/sdr/DXTA200601726), Nov 12, 2006: CONTROL UNIT. RATCHETING. CONTROL WHEEL RATCHETING. THE RATCHETING IS MORE DEFINED IN THE LT CONTROL WHEEL. REMOVED AND REPLACED AFT AILERON SECTOR PCU IAW MM CH 27-10-01. - [SDR DXTA200601715](https://openairdocs.org/sdr/DXTA200601715), Nov 6, 2006: MIXER BOX. WORN. CONTROL WHEEL FEELS LIKE THERE IS A DETENT AS YOU TURN EACH DIRECTION. PRIOR TO THAT POINT FROM CENTER (NEUTRAL) POSITION, TURN RATE IS SLOW. AFTER THE DETENT T - [SDR DXTA200601489](https://openairdocs.org/sdr/DXTA200601489), Jul 8, 2006: YOKE. BINDING. YOKE CONTROL BINDING WHEN DISPLACING LEFT. ADD MORE PRESSURE, YOKE WOULD MOVE. CHECKED CABLE TENSIONS, ALL CHECKED GOOD. REMOVED AND INSPECTED AILERON PUSH RODS - [SDR DXTA200601482](https://openairdocs.org/sdr/DXTA200601482), Jul 5, 2006: BRAKE ASSY. UNKNOWN. WITH EQUAL AMOUNT OF PRESSURE APPLIED TO THE BRAKES PEDALS, AIRCRAFT PULLS TO THE LEFT. AIRCRAFT RESPONDS THE SAME WITH LEFT SIDE OR RIGHT SIDE BRAKE APPLICATIO - [SDR DXTA200601260](https://openairdocs.org/sdr/DXTA200601260), Feb 22, 2006: LANDING GEAR. MALFUNCTIONED. GEAR WILL NOT RETRACT, HANDLE WOULD NOT MOVE. COMPLETED GEAR SWING, NO DEFECTS NOTED, CHECKED NOSE WHEEL CENTERING CHECK GOOD. COMPLETED LANDING GEAR TROUBLESHO - [SDR DXTA200601251](https://openairdocs.org/sdr/DXTA200601251), Feb 18, 2006: SQUAT SWITCH. FAILED. AFTER TAKEOFF, THE LANDING GEAR HANDLE WAS STUCK IN THE DOWN POSITION AFTER CYCLING IT, IT WAS RETRACTED, BUT THE RED GEAR UNSAFE LIGHT WAS ON. AFTER FURTHER CY - [SDR DXTA200601239](https://openairdocs.org/sdr/DXTA200601239), Feb 9, 2006: ACM. MAKING METAL. IN CRUISE GOT STRONG BURNING SMELL FOR 2 TO 3 MIN FOLLOWED BY A LOSS OF CONTROL OF THE COCKPIT PAC TEMP. TEMP WENT HOT AND COULD NOT BE REDUCED IN MANUAL MODE O - [SDR DXTA200501022](https://openairdocs.org/sdr/DXTA200501022), Oct 14, 2005: ODOR. DETECTED. REMOTE CB TRIPPED CYAN CAS MESSAGE CAME ON DURING DESCENT. BURNING ODOR WAS NOTICED FOR ABOUT 30 -45 SEC. ITEM IS UNDER INVESTIGATION. - [SDR DXTA200400354](https://openairdocs.org/sdr/DXTA200400354), Aug 6, 2004: FIRE DETECTOR. MALFUNCTIONED. AMBER FIRE DETECTOR FAIL R MESSAGE ILLUMINATED DURING CRUISE, DIVERTED AND LANDED SAFELY. ITEM IS UNDER INVESTIGATION. TROUBLESHOT AND FOUND THE ENGINE FIRE LOO - [SDR DXTA200400290](https://openairdocs.org/sdr/DXTA200400290), Apr 6, 2004: STARTER. FAILED. AFTER TAKE-OFF FROM TEB, AT 1500 FT LEFT ENGINE FIRE INDICATION CAME ON, PULLED LEFT THROTTLE BACK AND INDICATION IMMEDIATELY EXTINGUISHED. DECLARED EMERGENCY A ## 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.