# N945QS: 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: 680A0378
- Year built: 2024
- Type: Fixed wing multi engine
- Engine type: Turbo-fan
- Airworthiness: Standard, transport
- Airworthiness date: February 8, 2024
- Certificate issued: March 6, 2024
- Expires: March 31, 2031
- Mode S code: AD212A
- Owner type: Co-owned, fractional ownership
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=945QS
- Page: https://openairdocs.org/aircraft/N945QS

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 N945QS.

## FAA accident and incident reports

None matched to N945QS.

## Service difficulty reports (4)

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 DXTA2026082709431](https://openairdocs.org/sdr/DXTA2026082709431), Aug 25, 2026: PCB. FAULTY. JUST PRIOR TO LEVEL OFF AT FL410, THE AMBER FUEL PRESS LOW L CAS WAS CYCLING ON/OFF (AT LEAST 5 TIMES). QRH PROCEDURE WAS ACCOMPLISHED, WITH BOOST PUMP L ON. TH
- [SDR DXTA2026082409371](https://openairdocs.org/sdr/DXTA2026082409371), Aug 21, 2026: PRESSURE SWITCH. FAULTED. WHILE IN CRUISE AT FLIGHT LEVEL 41,0 THE FUEL PRESSURE LOW L CAS MESSAGE APPEARED 3 TIMES. THE CROSSFEED WAS IN THE OFF POSITION AT ALL TIMES. DID NOT NOTE ANY 
- [SDR DXTA2026071508798](https://openairdocs.org/sdr/DXTA2026071508798), Jul 12, 2026: VALVE. DEFECTIVE. DURING CRUISE & SELECTING XFEED TO LT TANK, RT ENG, BST PUMP ON, R AMBER CAS MESS ILLUM. RAN QRH, LIGHT REMAINED, LANDED ASAP. AFTER START OF DIVERT, LIGHT EXTI
- [SDR DXTA2025050203291](https://openairdocs.org/sdr/DXTA2025050203291), Apr 30, 2025: FIRE DETECTOR. FAULTED. ON CLIMB OUT BETWEEN 4000 & 15000 FT, MCT THRUST SET & LIGHT TURBULANCE, FIRE DETECT FAIL L AMBER CAS DISPLAYED 5 TIMES. TWO RING TERMINALS ON FIRE DETECT SENSO

## Service difficulty reports on N945QS not matched to an aircraft (14)

They name N945QS, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft.

- [SDR DXTA2012070605034](https://openairdocs.org/sdr/DXTA2012070605034), Jul 5, 2012: BUNGEE. FAILED. DURING CLIMB OUT, PASSING 10000 FT AND 250 KNOTS, FULL SCALE UNCOMMANDED RUDDER TRIM DEFLECTION TO THE LT OBSERVED WITH AUTOPILOT A ENGAGED. RETURNED TO DEPARTU
- [SDR DXTA2011042704565](https://openairdocs.org/sdr/DXTA2011042704565), Apr 26, 2011: STEERING UNIT. MALFUNCTIONED. AFTER TAKEOFF, MLG CAME UP & NLG STAYED DOWN. CONFIRMED BY TOWER. PUT HANDLE DOWN & BOTH MLG CAME DOWN. LANDED NORMAL. TURNED NOSE WHEEL LT & RT, CYCLED GEAR TO
- [SDR DXTA2011020704454](https://openairdocs.org/sdr/DXTA2011020704454), Feb 6, 2011: ACM. SMOKE. AFTER BOTH ENGINES WERE SHUTDOWN, WITH THE APU AND BOTH PACKS RUNNING THE CABIN AND COCKPIT FILLED WITH SMOKE. TROUBLESHOT TO CABIN ACM CAUSING SMOKE. REMOVED O
- [SDR DXTA2010120204343](https://openairdocs.org/sdr/DXTA2010120204343), Dec 1, 2010: RMU. FAILED. NR 2 RMU FAILED. SCREEN BLACK BUT LINE SELECT LIGHTS WERE FLASHING ON AND OFF, TOXIC FUMES IN COCKPIT ELECTRICAL IN NATURE. REMOVED FAULTY NR 2 RMU, INSTALLED T
- [SDR 2010F00044](https://openairdocs.org/sdr/2010F00044), Feb 18, 2010: OIL SYSTEM. MALFUNCTIONED. DURING CRUISE, AT 2600FT AND 70 PERCENT N1, THE RT ENGINE OIL PRESSURE SPIKED INTO THE AMBER AND REMAINED THERE UNTIL POWER WAS REDUCED TO 54 PERCENT OF N1. TRI
- [SDR DXTA2009071303726](https://openairdocs.org/sdr/DXTA2009071303726), Jul 12, 2009: PUMP. MALFUNCTIONED. DURING DESCENT, "HYD VOL LOW B" CAS ILLUMINATED IN FLIGHT. ACCOMPLISHED CHECKLIST AND LANDED WITHOUT INCIDENT. VOLUME QTY INDICATED 10 PERCENT AT FIRST THEN DRO
- [SDR DXTA200802852](https://openairdocs.org/sdr/DXTA200802852), Feb 7, 2008: UPLOCK SWITCH. INOPERATIVE. RED GEAR (UNLOCKED) LIGHT REMAINED ON AFTER GEAR RETRACTED. REMOVED AND REPLACED NLG UPLOCK SWITCH IAW MM 32-30-05. OPS CHECK GOOD.
- [SDR DXTA200702672](https://openairdocs.org/sdr/DXTA200702672), Dec 12, 2007: ACTUATOR. INOPERATIVE. DURING T/O ROLL PRIOR TO 80KTS WE HAD THE FOLLOWING: RED NO T/O MESSAGE. Y/D NOT CENTERED. FGC FAIL. REMOVED AND REPLACED YD LINEAR ACTUATORS. PERFORMED OPERATI
- [SDR DXTA200702439](https://openairdocs.org/sdr/DXTA200702439), Aug 31, 2007: BRAKE. LEAKING. ON TAXI IN, RT BRAKE WAS SMOKING. AFTER PARKING, FLUID SEEN DRIPPING FROM RT BRAKE OF RT WHEEL. REMOVED NR 4 BRAKE ASSY AND INSTALLED OVERHAULED UNIT OPSAND LEA
- [SDR DXTA200702413](https://openairdocs.org/sdr/DXTA200702413), Aug 20, 2007: STRUT. UNDERSERVICED. ON TAKE OFF GEAR WOULD NOT RETRACT. PERFORMED SEVERAL SATISFACTORY GEAR SWINGS. CHECKED RIGGING OF SQUAT SWITCHES CHECKED GOOD. CHECKED GEAR HANDLE SOLENOID . C
- [SDR DXTA200702241](https://openairdocs.org/sdr/DXTA200702241), Jun 5, 2007: DRIVE ASSY. DAMAGED. FLAP FAIL CAS MESSAGE CAME UP ON SHORT FINAL, FLAPS FALLED AT 30 DEGREES. [06-15-07] FOUND RIGHT WING INBD FLAP FLEX DRIVE CABLE BAD. REMOVED AND REPLACED CABLE
- [SDR DXTA200702224](https://openairdocs.org/sdr/DXTA200702224), May 30, 2007: DRIVE UNIT. INOPERATIVE. DURING FINAL APPROACH, WHEN FLAPS WERE SELECTED TO 35*, FLAPS FAIL LIGHT ILLUMINATED AND FLAPS STOPPED LOWERING AT ABOUT 20*. OPS CHECKED FLAP SYS ON GROUND. CH
- [SDR DXTA200702221](https://openairdocs.org/sdr/DXTA200702221), May 28, 2007: CONTROL HANDLE. MALFUNCTIONED. DURING FINAL APPROACH WHEN FLAPS WERE SELECTED TO 35 DEGREES, FLAPS FAIL BETWEEN FLAPS 15 AND FLAP 35. INTERROGATED FLAP CONTROLLER BITE CODES. CODES 2 AND 6 WE
- [SDR DXTA200702043](https://openairdocs.org/sdr/DXTA200702043), Mar 22, 2007: BRAKE. LEAKING. SMOKE REPORTED COMING FROM RT MLG BY TOWER ON DEPARTURE AND GROUND CREW ON TAXI INTO RAMP.INSPECTED RT MAIN GEAR, BRAKE AND WHEEL ASSYS. NO VISUAL DEFECTS NOTED

## 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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