# N937QS: 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: 680A0366
- Year built: 2023
- Type: Fixed wing multi engine
- Engine type: Turbo-fan
- Airworthiness: Standard, transport
- Airworthiness date: October 26, 2023
- Certificate issued: October 2, 2026
- Expires: October 31, 2033
- Mode S code: AD0119
- Owner type: Co-owned, fractional ownership
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=937QS
- Page: https://openairdocs.org/aircraft/N937QS

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 N937QS.

## FAA accident and incident reports

None matched to N937QS.

## Service difficulty reports (12)

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 DXTA2025100205174](https://openairdocs.org/sdr/DXTA2025100205174), Oct 1, 2025: SEAL. OUT OF POSITION. TWICE THE MAIN DOOR FAILED TO CLOSE FROM THE OUTSIDE, AND TWICE FAILED TO OPEN NORMALLY FROM THE OUTSIDE. WHILE CLOSING IT APPEARS TO BE FLUSH BUT THE LOCKING H
- [SDR DXTA2025050503366](https://openairdocs.org/sdr/DXTA2025050503366), May 5, 2025: MOTOR. FAULTED. CABIN DOOR OPEN AMBER CAS: CABIN DOOR WILL NOT CLOSE FULLY USING ELECTRIC LIFT MOTOR. RAN QRH CHECKLIST AA3, DOOR CLOSED FULLY USING THE OVERRIDE SWITCH. AMBER 
- [SDR DXTA2025042803235](https://openairdocs.org/sdr/DXTA2025042803235), Apr 26, 2025: BATTERY. INOPERATIVE. CABIN EMERG LIGHT: WITH THE EMER LIGHT SWITCH IN ARM, EMER LIGHTS UNDER SEATS 3,5 AND 8 DO NOT ILLUMINATE; OVERHEAD SEAT LIGHTS OVER SEAT 3 AND 7 DO NOT ILLUMIN
- [SDR DXTA2025032102748](https://openairdocs.org/sdr/DXTA2025032102748), Mar 19, 2025: BATTERY PACK. INOPERATIVE. AFTER MULTIPLE CHARGING EMERGENCY LIGHT BATTERY FAILS TO HOLD CHARGE. CORRECTIVE ACTION; REPLACED #4 POWER SUPPLY. ALL EMERGENCY SYSTEM LIGHTS OPS CHECK NORMAL 
- [SDR DXTA2025021002289](https://openairdocs.org/sdr/DXTA2025021002289), Feb 6, 2025: PCB. DEFECTIVE. PASSENGER / CREW DOORS: THE AMBER CABIN DOOR OPEN CAS MESSAGE CAME ON DURING THE POWER ON CYCLE AFTER SHUTTING DOWN THE AIRCRAFT TO TRY AND CLEAR AN UNRELATED C
- [SDR DXTA2025013102132](https://openairdocs.org/sdr/DXTA2025013102132), Jan 27, 2025: PIN. OUT OF ADJUST. MAIN DOOR: MAIN CABIN DOOR DIFFICULT TO OPEN AFTER LONGER COLD FLIGHTS. CHECK ALIGNMENT. CORRECTIVE ACTION: ADJUSTED 2EA DOOR PINS. OPS CHECK GOOD. IAW CE680A A
- [SDR DXTA2024100900788](https://openairdocs.org/sdr/DXTA2024100900788), Oct 7, 2024: PCB. FAULTED. CABIN DOOR OPEN AMBER CAS: CABIN DOOR WOULD NOT LIFT USING THE 'LIFT' BUTTON. PERFORMED BOTH, THE 'CABIN DOOR OPEN' AND THE 'CHECK DOORS' CHECKLISTS. CABIN DOOR
- [SDR DXTA2024092900695](https://openairdocs.org/sdr/DXTA2024092900695), Sep 28, 2024: DOOR. UNKNOWN. MAIN DOOR: MAIN CABIN DOOR WILL NOT SECURE. THE LOCKING SYSTEM WILL NOT ENGAGE TO PREVENT THE DOOR HANDLE FROM MOVING, AND THE CABIN DOOR OPEN AMBER CAS MESSAGE
- [SDR DXTA2024080900157](https://openairdocs.org/sdr/DXTA2024080900157), Aug 9, 2024: LANDING GEAR. FAULTED. AFTER TAKEOFF WHEN SELECTING GEAR UP. THE NOSE LANDING GEAR DID NOT RETRACT. GOT AN AMBER GEAR DISAGREE NOSE CAST MESSAGE. AND A HASHMARK DISPLAY FOR THE NOSE G
- [SDR DXTA2024072212420](https://openairdocs.org/sdr/DXTA2024072212420), Jul 20, 2024: LANDING GEAR. FAULTED. AFTER TAKEOFF THE NOSE GEAR DID NOT RETRACT AND WE HAD A GEAR MISCOMPARE N CAS MESSAGE. WE HAD BLACK BOX WITH YELLOW LINES OVER "NOS GEAR POSITION. CW LANDING G
- [SDR DXTA2024071012306](https://openairdocs.org/sdr/DXTA2024071012306), Jul 9, 2024: UPLOCK SWITCH. MISINSTALLED. WHEN MLG WAS SELECTED TO RETRACT, MAINS RETRACTED & NOSEWHEEL DID NOT. REF EMERGENCY ABNORMAL PROCEDURES N2 & RETURNED FOR LANDING. PERFORMED A VISUAL INSP OF N
- [SDR DXTA2024051511775](https://openairdocs.org/sdr/DXTA2024051511775), May 14, 2024: CONNECTOR. DIRTY. DURING TAXI OUT GOT "CABIN DOOR OPEN" AMBER CAS MESSAGE. PERFORMED QRH PROCEDURE. ONCE THE MAIN CABIN DOOR WAS OPEN IT WOULD NOT RETRACT NORMALLY. HAD TO PUSH O

## Service difficulty reports on N937QS not matched to an aircraft (23)

They name N937QS, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft.

- [SDR DXTA2014031805692](https://openairdocs.org/sdr/DXTA2014031805692), Mar 17, 2014: CONTROL CABLE. OUT OF ADJUST. BRAKE PEDALS MOVE APPROXIMATELY FOUR INCHES WITHOUT ANY BRAKE APPLICATION, THEN BRAKES GRAB AGGRESSIVELY & UNEVENLY DURING ALL BRAKE APPLICATIONS, TAXI & LANDIN
- [SDR DXTA2014030305671](https://openairdocs.org/sdr/DXTA2014030305671), Mar 2, 2014: CONTROL CABLE. DEFECTIVE. BRAKES GRAB & PULL SEVERELY LT DURING LANDING. DIRECTIONAL CONTROL IS VERY DIFFICULT. TROUBLESHOT BRAKES, INSPECTED LT BRAKE ASSY'S GOOD. REMOVED RT SIDE FWD FA
- [SDR DXTA2013020805279](https://openairdocs.org/sdr/DXTA2013020805279), Feb 7, 2013: METERING VALVE. MALFUNCTIONED. ON LANDING ROLLOUT, PLANE PULLS TO THE RIGHT WITHOUT BRAKES APPLIED. ON DOWNHILL TAXIWAY, POWER HAD TO BE ADDED TO TAXI THE PLANE. BRAKE ON RT INBD MAIN WHEEL I
- [SDR DXTA2012080205071](https://openairdocs.org/sdr/DXTA2012080205071), Aug 1, 2012: ACM. FAILED. SHORTLY AFTER ENGINE START NOTICED BAD ODOR COMING FROM WEMACS. CABIN PAC SUPPLY TEMP RAPIDLY RISING AND CABIN FILLED WIT DARK SMOKE. EVACUATED AIRCRAFT AND TUR
- [SDR DXTA2012051404977](https://openairdocs.org/sdr/DXTA2012051404977), May 13, 2012: BUNGEE. INOPERATIVE. IMMEDIATELY AFTER TAKING OFF, THE ACFT YAWED NOTICABLY TO THE RT. IT TOOK APPROXIMATELY ONE THIRD OF THE AVAILABLE LEFT RUDDER TRIM IN ORDER TO CENTER THE SLIP/
- [SDR DXTA2012022704891](https://openairdocs.org/sdr/DXTA2012022704891), Feb 27, 2012: ACTUATOR. MALFUNCTIONED. ON APPROACH, EXTENDED GEAR AT APPROX 160 KNOTS, THE NOSE GEAR LIGHT DID NOT GO GREEN, DURING OVERFLIGHT OF AIRPORT AT APPROX 2-3 MINS INTO THE UNLOCKED SITUTATI
- [SDR DXTA2011071304658](https://openairdocs.org/sdr/DXTA2011071304658), Jul 13, 2011: ACTUATOR. MALFUNCTIONED. ON INITIAL FLIGHT CONTOL CHECK, LT RUDDER FELT HARD TO PUSH. SUBSEQUENT CHECKS ON GROUND, IT PERFORMED NORMALLY. ON ROTATION PF IN RT SEAT SAID THE PLANE WAS HA
- [SDR DXTA2011070904651](https://openairdocs.org/sdr/DXTA2011070904651), Jul 9, 2011: ADC. MALFUNCTIONED. CLIMBING OUT OF 15,000 MSL, 270KIAS, AURAL OVER-SPEED SOUNDED. NO CAS MESSAGES PRESENT. PULLED AND RESET WARN AUDIO 1 AND WARN AUDIO 2 WITH NEGATIVE RESULTS. IN
- [SDR DXTA2011062004626](https://openairdocs.org/sdr/DXTA2011062004626), Jun 17, 2011: ACM. FAILED. AT FL430 SMELLED AND SAW SMOKE IN THE COCKPIT. TROUBLESHOT TO FAILED ACM ON AFT ECU. GAINED ACCESS AND REMOVED FAILED PART. INSTALLED REPAIRED ACM IAW MM 21-51-
- [SDR DXTA2009122103909](https://openairdocs.org/sdr/DXTA2009122103909), Dec 18, 2009: WHEEL. VIBRATION. DURING DESCENT HEARD A NOISE FROM NOSE WHEEL AREA ACCOMPANIED BY A MOMENTARY GEAR UNLOCK LIGHT. PERFORMED GEAR BUMP TROUBLESHOOTING. ADJUSTED NOSE AND LT MAIN U
- [SDR DXTA20082918](https://openairdocs.org/sdr/DXTA20082918), Mar 5, 2008: SHRADER VALVE. FAILED. AFTER TAKE-OFF INITIAL CLIMB GEAR HANDLE GEAR WOULD NOT RETRACT. TROUBLESHOT & FOUND NOSE STRUT NOT PROPERLY EXTENDED DUE TO LEAKING LOWER NOSE STRUT SERVICE VA
- [SDR DXTA200702366](https://openairdocs.org/sdr/DXTA200702366), Jul 30, 2007: STEERING SYS. MALFUNCTIONED. SEVERE NOSE WHEEL SHIMMY ON TAKE-OFF, BELOW 40 KTS. IT STARTED JUST AFTER TAKE-OFF ROLL AND LASTED UNTIL NORMAL TAXI SPEED. REMOVED AND REPLACED POWER STEERING 
- [SDR DXTA200702299](https://openairdocs.org/sdr/DXTA200702299), Jun 25, 2007: SENSOR. MALFUNCTIONED. WHEN THE POWER LEVERS ARE ADVANCED TO THE TAKEOFF POSITION AND THE AIRCRAFT BEGINS TO ACCELERATE THE NO TAKEOFF MESSAGE AND CHIMES COME ON. THE TAKEOFF WAS ABOR
- [SDR DXTA200601751](https://openairdocs.org/sdr/DXTA200601751), Nov 22, 2006: LANDING GEAR. MALFUNCTIONED. AFTER TAKEOFF AND SELECTING THE LANDING GEAR TO THE UP POSITION THE LANDING GEAR WOULD NOT RETRACT. GEAR HANDLE WILL MOVE. CYCLED LANDING GEAR REPEATEDLY WITH H
- [SDR DXTA200601664](https://openairdocs.org/sdr/DXTA200601664), Oct 16, 2006: WARNING MESSAGE. MULTIPLE FAIL. WHILE DESCENDING THROUGH FL 330, THE AUTOPILOT DISENGAGED AND EXPERIENCED A VIOLENT PITCH UP, FOLLOWED BY A MULTITUDE OF CAS MESSAGE SUCH AS "FW COMP FAIL" BEGA
- [SDR DXTA200601524](https://openairdocs.org/sdr/DXTA200601524), Jul 28, 2006: ACM. LEAKING. AFTER STARTING BOTH ENGINES, COCKPIT AND CABIN FILLED WITH SMOKE COMING FROM OVERHEAD VENTS, VISUAL INSPECTION OF THE TAILCONE COMPARTMENT AND FOUND OIL LEAKING
- [SDR DXTA200601363](https://openairdocs.org/sdr/DXTA200601363), Apr 25, 2006: LANDING GEAR. MALFUNCTIONED. LANDING GEAR WOULD NOT RETRACT AFTER TAKEOFF, ALL OTHER INDICATIONS NORMAL. ITEM IS UNDER INVESTIGATION.
- [SDR DXTA200601268](https://openairdocs.org/sdr/DXTA200601268), Feb 16, 2006: FLAP SYSTEM. FAILED. WHEN THE FLAPS WERE SELECTED TO 5 DEG AT THE START OF THE APPROACH, FAILED (NEITHER FLAPS OR SLATS WOULD EXTEND). CHECKLIST PROCEDUES WERE FOLLOWED BUT THEY WOU
- [SDR DXTA200501154](https://openairdocs.org/sdr/DXTA200501154), Dec 21, 2005: WARNING SYSTEM. ACTIVATED. PITCH FEEL FAIL CAS DURING CLIMBOUT. COMPLIED WITH PITCH FEEL FUNCTIONAL & OPERATIONAL CHECK IAW CE750 M/M 27-30-00. NO FAULTS NOTED.
- [SDR CNQ2005F00000](https://openairdocs.org/sdr/CNQ2005F00000), Oct 4, 2005: LINE. CHAFED. FLEXIBLE HYDRAULIC HOSE CHAFED THROUGH ALLOWING HYDRAULIC FLUID TO BE LOST IN THE (B-SYSTEM). HOSE WAS CONTACTING LT ELEVATOR POWER CONTROL UNIT. REPLACED HOSE 
- [SDR DXTA200501001](https://openairdocs.org/sdr/DXTA200501001), Oct 4, 2005: HOSE. CHAFED. AFTER TAKEOFF, LOST ALL HYDRAULIC FLUID ON THE -B- SYSTEM WITH ASSOCIATED HYD PRESS LOW -B- AND HYD FLUID LOW -B- AMBER CAS MESSAGES. AFTER LANDING, COULD SEE F
- [SDR DXTA200400420](https://openairdocs.org/sdr/DXTA200400420), Oct 7, 2004: WHEEL. VIBRATION. DURING TAKEOFF ROLL SEVERE NOSE GEAR SHIMMY / VIBRATION RESULTED IN ABORTED T/O AT 65 KTS. VIBRATION WAS REDUCED, NOT ELIMINATED, WITH APPLICATION OF ELEVATOR B
- [SDR DXTA200400381](https://openairdocs.org/sdr/DXTA200400381), Sep 6, 2004: FUEL FILTER. BYPASSING. FUEL FILTER BYPASS -R- CAS MESSAGE ILLUMINATED DURING TAKEOFF ROLL AT 50 KTS ALL OTHER INDICATIONS NORMAL, ABORTED TAKEOFF. REMOVED AND REPLACED FUEL FILTER ON 

## 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

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