# N950QS: 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: 680A0383
- Year built: 2024
- Type: Fixed wing multi engine
- Engine type: Turbo-fan
- Airworthiness: Standard, transport
- Airworthiness date: March 9, 2024
- Certificate issued: April 2, 2024
- Expires: April 30, 2031
- Mode S code: AD3616
- Owner type: Co-owned, fractional ownership
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=950QS
- Page: https://openairdocs.org/aircraft/N950QS

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 N950QS.

## FAA accident and incident reports

None matched to N950QS.

## Reports on N950QS not matched to an aircraft (1)

They name N950QS, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft.

- [Incident 19991005031499I](https://openairdocs.org/incident/19991005031499I), Oct 5, 1999: Cessna 750 (N950QS), Lincoln, NE. (-23) N950QS, CE-750, being operated as executive jet 50 enroute san jose, CA, to Washington d.c., diverted into Lincoln, NE, when the crew noticed a drop in…

## 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 DXTA2025063004066](https://openairdocs.org/sdr/DXTA2025063004066), Jun 27, 2025: BATTERY PACK. FAULTED. FIRST FLIGHT OF THE DAY PRE FLIGHT CHECKS WE NOTED THAT THE EMER LIGHT WERE NOT WORKING. WE RAN APU FOR 30 MIN SHUT DOWN AND RECHECKED THE EMER LIGHT AND THEY W
- [SDR DXTA2025031702689](https://openairdocs.org/sdr/DXTA2025031702689), Mar 14, 2025: STRUCTURE. NO DISCREPANCY. FUSELAGE STRUCTURE: AT FLIGHT LEVEL 200 AT APPROXIMATELY 270 KN IN CRUISE, EXPERIENCED SEVERE TURBULENCE LASTING APPROXIMATELY THREE SECONDS. NO OVER SPEED OR E
- [SDR DXTA2025022802535](https://openairdocs.org/sdr/DXTA2025022802535), Feb 27, 2025: G SWITCH. TRIPPED. CABIN EMERG LIGHT: FORWARD CABIN ERMERGENCY LIGHTS WILL NOT TURN OFF. RAN RESET PROCEDURE FROM AFM THEN POWERED AIRCRAFT DOWN AND BACK UP. (ALSO, THE RESET BUTT
- [SDR DXTA2025011701964](https://openairdocs.org/sdr/DXTA2025011701964), Jan 14, 2025: SENSOR. FAULTED. WOW MISCOMPARE AMBER CAS: AFTER TAKEOFF, GEAR HANDLE WOULD NOT MOVE UP. A FEW SECONDS LATER WOW MISCOMPARE CAS MESSAGE. WE REVIEWED THE "LANDING GEAR WILL NOT R
- [SDR DXTA2024122701681](https://openairdocs.org/sdr/DXTA2024122701681), Dec 24, 2024: LOCK PIN. LACK OF LUBE. DOOR HANDLE/LATCH IS VERY DIIFICULT TK ENGAGE ON INSIDE OF PLANE. SEVERAL ATTEMPTS MUST BE MADE AT OPENING AND CLOSING THE DOOR TO GET IT TO LATCH. LUBED ALL MA
- [SDR DXTA2024072212419](https://openairdocs.org/sdr/DXTA2024072212419), Jul 20, 2024: DOOR. STIFF. MAIN DOOR HANDLE VERY STIFF TO CLOSE BOTH FROM EXTERIOR (HARD TO PUSH HANDLE CLOSED) AND INTERIOR (HARD TO LOWER TO LATCHED POSITION) OPENED MED. DID NOTICE IT 

## Service difficulty reports on N950QS not matched to an aircraft (28)

They name N950QS, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft.

- [SDR DXTA2012073005063](https://openairdocs.org/sdr/DXTA2012073005063), Jul 28, 2012: BRAKE ASSY. FAILED. CAPTAINS RIGHT BRAKE PEDAL IS SOFT. IT REQUIRES ALMOST TWICE THE FORCE AS THE LEFT. R & R BOTH RT INBD MLG BRAKE AND OTBD MLG BRAKE WITH O/H BRAKES. OPS AND LEA
- [SDR DXTA2011081204702](https://openairdocs.org/sdr/DXTA2011081204702), Aug 11, 2011: BRAKE. DIRTY. WHEN MLG BRAKES ARE APPLIED, A VERY LOUD GRIND/GROAN IS FELT AND HEARD THROUGHT AIRFRAME. WHEN BRAKES WERE APPLIED FOR LANDING, RT BRAKE WAS MUSHY AS COMPARED T
- [SDR DXTA2009012803476](https://openairdocs.org/sdr/DXTA2009012803476), Jan 28, 2009: WARNING LIGHT. FALSE ACTIVATION. FUEL FILTER BYPASS LT AMBER CAS MSG IN FLIGHT. INSP THE LT ENG FUEL FILTER. NO DEFECTS NOTED. REINSTALLED SAME. NO FILTER BYPASS CAS MESSAGE WAS FOUND ON INSP. 
- [SDR DXTA2009012903476](https://openairdocs.org/sdr/DXTA2009012903476), Jan 28, 2009: WARNING LIGHT. ILLUMINATED. FUEL FILTER BYPASS L AMBER CAS MSG IN FLIGHT.
- [SDR DXTA2009010803464](https://openairdocs.org/sdr/DXTA2009010803464), Jan 8, 2009: UPLOCK SWITCH. OUT OF ADJUST. AT FL 430 AFTER 4.0 HOURS OF FLT TIME, NOSE GEAR EXTENDED AND RETRACTED (BUMP). NO LIGHTS WERE NOTICED. COMPLIED WITH GEAR BUMP TROUBLESHOOTING CHECKLIST. FOUND
- [SDR DXTA2009010903464](https://openairdocs.org/sdr/DXTA2009010903464), Jan 8, 2009: LANDING GEAR. MALFUNCTIONED. AT FL 430 AFTER 4.0 HOURS OF FLT. TIME, NOSE GEAR EXTENDED AND RETRACTED (BUMP). NO LIGHTS WERE NOTICED.
- [SDR DXTA2008102903324](https://openairdocs.org/sdr/DXTA2008102903324), Oct 28, 2008: PITOT TUBE. OBSTRUCTED. ON TAKEOFF ROLL AT 65 KTS, MASTER CAUTION "YD OFF LWR" EICAS MESSAGE. ABORTED T/O. INSPECTED PITOT TUBES; FOUND RT PITOT TUBE PLUGGED FROM A MUD DOBBER. REMOVED
- [SDR DXTA2008102303314](https://openairdocs.org/sdr/DXTA2008102303314), Oct 22, 2008: WARNING LIGHT. ILLUMINATED. ON TAKEOFF ROLL <80 KNOTS AMBER YD OFF LOWER LIGHT. UNABLE TO DUPLICATE DISCREPANCY. FAULT 1303 "AFCS DISCONNECT" LOGGED IN IMT. PERFORMED NECESSARY POWER CHECK
- [SDR DXTA200808153227](https://openairdocs.org/sdr/DXTA200808153227), Aug 15, 2008: TRIM SYSTEM. MALFUNCTIONED. CLIMBING THROUGH FL230 AT 270 KNOTS INDICATED, "RETRIM L WING DOWN" AP DISENGAGED & ACFT REQUIRED 50 PERCENT LT AILERON TRIM. TRIM STAYED 50 % LT UNTIL DESCENT 
- [SDR DXTA200803227](https://openairdocs.org/sdr/DXTA200803227), Aug 15, 2008: TRIM SYSTEM. MALFUNCTIONED. CLIMBING THROUGH FL230 AT 270 KNOTS INDICATED, "RETRIM L WING DOWN" AT THE TIME THE AP WAS DISENGAGED, AND THE ACFT REQUIRED 50 PERCENT LT AILERON TRIM. (S)
- [SDR DXTA200803151](https://openairdocs.org/sdr/DXTA200803151), Jun 28, 2008: VALVE. OUT OF ADJUST. AMBER "CABIN ALT" MSG DISPLAYED W/CABIN ALTITUDE INDICATING 10,000FT AT FL450. PAX OXYGEN WAS USED; EMER DESCENT WAS INITIATED. PERFORMED BAGG DOOR SEAL T/S CHE
- [SDR DXTA200803106](https://openairdocs.org/sdr/DXTA200803106), Jun 8, 2008: UNKNOWN. FUMES. CREW NOTED FUMES IN COCKPIT WHILE LEVEL AT FL350. REMOVED AFT ECU ASSEMBLY. REMOVED ACM FLAN AFT ECU, WORK DONE PER MM 21-51-00. REMOVED S/N: 200012231 1607.3 H
- [SDR DXTA200803066](https://openairdocs.org/sdr/DXTA200803066), May 18, 2008: COMPUTER. FALSE ACTIVATION. AT CRUISE ALTITUDE FL410 A PULSATING THUMP COULD BE FELT IN BOTH CONTROL COLUMNS. INSPECTED, ALL PANELS, FLT CONTROLS DOORS ETC. NO DEFECTS NOTED. REMOVED AND R
- [SDR DXTA20082902](https://openairdocs.org/sdr/DXTA20082902), Feb 27, 2008: FLAP SYSTEM. MALFUNCTIONED. FLAPS AND SLATS FAILED IN UP POSITION. COMPLIED WITH MECHANICAL AND ELECTRIC RIG CHECKS OF FLAPS. COMPLIED WITH TORQUE CHECK OF PDU, CHECKED GOOD. INSPECTED IB 
- [SDR DXTA200802809](https://openairdocs.org/sdr/DXTA200802809), Jan 30, 2008: PRESSURE SWITCH. INOPERATIVE. ON THE TAKEOFF ROLL THE HP DUCT (O) PRESSURE RT ILLUMINATED. REPLACED FAILED RT HP DUCT OVER-PRESSURE SWITCH WITH NEW IAW CHAPTER 30-10-00 OF THE MM. OPERATONAL
- [SDR DXTA200802774](https://openairdocs.org/sdr/DXTA200802774), Jan 17, 2008: STRUT. UNDERSERVICED. AFTER TAKEOFF THE RED GEAR UNLOCK LIGHT REMAINED ILLUMINATED. TROUBLESHOT. SERVICED THE HYD AND PNEUMATIC SIDE OF NOSE STRUT IAW CE 750 MM CHAP 12-10-38 GEAR SW
- [SDR DXTA200702732](https://openairdocs.org/sdr/DXTA200702732), Dec 31, 2007: DRIVE UNIT. INOPERATIVE. WHEN SELECTING FLAPS TO 5 DEGREES, (FLAP FAIL) CAS MSG CAME ON. TROUBLESHOT TO BAD PDU CLUTCH. REMOVED, REPLACED AND OPS CHECK GOOD OF PDU IAW 750 MM 27-52-00.
- [SDR DXTA200702485](https://openairdocs.org/sdr/DXTA200702485), Sep 18, 2007: STRUT. DISCHARGED. LANDING GEAR WOULD NOT RETRACT AFTER TAKEOFF. 09-28-07 FOUND NOSE STRUT FLAT AND WOULD NOT EXTEND TO MAKE SQUAT SWITCH. REPACKED NOSE STRUT AND SERVICED. CYCLED
- [SDR DXTA200702359](https://openairdocs.org/sdr/DXTA200702359), Jul 29, 2007: BRAKE ASSY. WEAK. TO GET EVEN BRAKING FROM THE CAPTAINS BRAKE PEDALS, THE RT PEDAL MUST BE PUSHED DOWN APPROX TWICE AS MUCH AS THE LT. THE CO-PILOTS PEDALS ARE THE SAME EXCEPT TH
- [SDR DXTA200701914](https://openairdocs.org/sdr/DXTA200701914), Feb 1, 2007: UNKNOWN. UNKNOWN. AFTER TAKEOFF, GEAR DID NOT RETRACT. SHORTLY THERE AFTER RECEIVED (HYD PUMP FAIL A) CAS MESSAGE. SECONDS LATER THE (PTU FAIL) CAS MESSAGE BEGAN CYCLING. WHILE R
- [SDR DXTA200701847](https://openairdocs.org/sdr/DXTA200701847), Jan 10, 2007: WHEEL. OUT OF BALANCE. WHILE ACCELERATING THROUGH 50 KTS DURING TAKEOFF ROLL, EXPERIENCED AN EXTREME NOSE WHEEL SHIMMY, WHICH CAUSED THE AIRCRAFT TO SHAKE AND VIBRATE HARSALLY, TAKEOF
- [SDR DXTA200400355](https://openairdocs.org/sdr/DXTA200400355), Aug 5, 2004: ACTUATOR. MALFUNCTIONED. WHILE IN CRUISE FLIGHT, AT FL310 AT MACH .86, CABIN PRESSURE DIFFERENTIAL AT 8.6 PSI, THE NOSE GEAR CYCLED DOWN AND UP. HAD RED UNLOCK LIGHT FLASHED MOMENTARILY
- [SDR DXTA200400348](https://openairdocs.org/sdr/DXTA200400348), Jul 25, 2004: UPLOCK SWITCH. OUT OF ADJUST. CLIMBING THROUGH FL390 NOSE LANDING GEAR CYCLED 5 TO 8 TIMES (VERY HARD) GEAR LIGHT CAME ON DURING EACH CYCLE. DESCENDED AND AT 8000 AND 250 KTS ONE MORE CYCLE.
- [SDR DXTA200400347](https://openairdocs.org/sdr/DXTA200400347), Jul 23, 2004: UPLOCK SWITCH. DIRTY. NOSE LANDING GEAR CYCLED IN FLIGHT AT FL430 & FL240, NOSE GEAR UNLOCK LIGHT ILLUMINATED FOR ABOUT 3 SECONDS. CLEANED NOSE GEAR AND MAIN GEAR UPLOCK SWITCHES CON
- [SDR DXTA200400342](https://openairdocs.org/sdr/DXTA200400342), Jul 17, 2004: MANIFOLD. FAILED. LANDING GEAR CYCLED IN FLIGHT AT FL 430 AND FL120 UNLOCK LIGHT ILLUMINATED THEN WENT OUT AFTER 1 MINUTE. TROUBLESHOT TO FAULTY LANDING GEAR HYDRAULIC MANIFOLD A
- [SDR DXTA200400308](https://openairdocs.org/sdr/DXTA200400308), May 10, 2004: FUEL FILTER. CONTAMINATED. ON TAKE OFF THE FUEL FILTER BYPASS R-CAS MESSAGE CAME ON, ABORTED TAKE OFF. RESET ELECTRICAL BYPASS INDICATOR IAW ALLISON/ROLLS MM TASK 73-3000-990-801, REMOVED
- [SDR DXTA200400222](https://openairdocs.org/sdr/DXTA200400222), Jan 19, 2004: PROXIMITY SWITCH. OUT OF ADJUST. ON GEAR RETRACTION THE THREE GREEN LIGHTS WENT OUT, UNLOCK LIGHT STAYED ON AT 195 KNOTS, VIBRATION IN YOKE AND AN INCREASE IN NOISE. CYCLED GEAR WITH SAME RESUL
- [SDR 99ZZZX4324](https://openairdocs.org/sdr/99ZZZX4324), Oct 5, 1999: PUMP. LEAKING. HYDRAULIC VOLUME LOW 'A' SYSTEM IN-FLIGHT AT FL 410, SHUT DOWN 'A' HYDRAULIC SYSTEM. FOUND 3 EACH SMALL PIN HOLES IN HYDRAUIC PUMP HOUSING. REPLACED ENGINE DRIV

## 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.