# N974QS: 2025 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: 680A0429
- Year built: 2025
- Type: Fixed wing multi engine
- Engine type: Turbo-fan
- Airworthiness: Standard, transport
- Airworthiness date: April 30, 2025
- Certificate issued: June 13, 2025
- Expires: June 30, 2032
- Mode S code: AD93F0
- Owner type: Co-owned, fractional ownership
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=974QS
- Page: https://openairdocs.org/aircraft/N974QS

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 N974QS.

## FAA accident and incident reports

None matched to N974QS.

## Service difficulty reports (11)

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 DXTA2026091509689](https://openairdocs.org/sdr/DXTA2026091509689), Sep 13, 2026: PIN. LACK OF LUBE. MAIN ENTRY DOOR HANDLE VERY DIFFICULT TO LATCH CLOSED. VERY DIFFICULT TO OPEN AS WELL. DOOR HANDLE BINDS. INVESTIGATED MED, FOUND DOOR PINS TO BE DRY. LUBRICATE
- [SDR DXTA2026082409398](https://openairdocs.org/sdr/DXTA2026082409398), Aug 22, 2026: HANDLE. LACK OF LUBE. MAIN CABIN DOOR HANDLE EXTREMELY HARD TO OPEN. THE LAST THIRD OF THE HANDLE TRAVEL FEELS LIKE IT IS BINDING HAVE LUBRICATED EACH HANDLE UNTIL THEY WERE OPERATIN
- [SDR DXTA2026043007844](https://openairdocs.org/sdr/DXTA2026043007844), Apr 29, 2026: DOOR. BINDING. THE MAIN CABIN DOOR IS VERY DIFFICULT TO OPEN OR CLOSE. WHEN CLOSING, IT TAKES SEVERAL ATTEMPTS BEFORE THE LIGHT WILL EXTINGUISH AND WHEN OPENING THIS LAST TIME
- [SDR DXTA2026041407617](https://openairdocs.org/sdr/DXTA2026041407617), Apr 11, 2026: HANDLE. STIFF. MED HANDLE IS STIFF TO CLOSE TO THE POINT IT AT TIMES WOULD LOCK. WHEN IT DOES LOCK, HAVE TO RESET THE SYSTEM IN ORDER FOR THE DOOR CAS MESSAGE TO CLEAR. C/W RE
- [SDR DXTA2026013006717](https://openairdocs.org/sdr/DXTA2026013006717), Jan 28, 2026: LINK. DETACHED. MCD LIFT ARM HAS COME UNATTACHED FROM DOOR ARM. REINSTALLED CABIN DOOR LIFT LINK. OPS CHECK GOOD. IAW CE-680A AMM 52-15-15.
- [SDR DXTA2025103105497](https://openairdocs.org/sdr/DXTA2025103105497), Oct 29, 2025: BOLT. DEFECTIVE. BOLT HOLDING TOGETHER THE DOOR MOTOR ARM AND THE DOOR/STAIR METAL ATTACHMENT ARM IS MISSING SO DOOR CAN ONLY BE RAISED MANUALLY. REPLACED DOOR LIFT HARDWARE. OP
- [SDR DXTA2025102005366](https://openairdocs.org/sdr/DXTA2025102005366), Oct 19, 2025: WIRE HARNESS. DEFECTIVE. DURING PREFLIGHT FOUND MAIN CABIN DOOR VERY HARD TO OPEN WHEN STARTED UP APU GOT CABIN DOOR OPEN CAS RAN QRH WAS UNABLE TO CLEAR .REPEAT WRITE UP CORRECTIVE ACT
- [SDR DXTA2025102105353](https://openairdocs.org/sdr/DXTA2025102105353), Oct 17, 2025: PROXIMITY SENSOR. FAULTED. WHILE IN FLIGHT AT FL400 RECEIVED AMBER CAS MESSAGES FOR CHECK DOORS AND CABIN DOOR OPEN. THE ORANGE LIGHT FOR CABIN DOOR OPEN WAS ALSO ILLUMINATED ON THE CABIN
- [SDR DXTA2025081104561](https://openairdocs.org/sdr/DXTA2025081104561), Aug 10, 2025: PCB. FAULTED. ON CLIMB OUT, THROUGH 38,000 FT, HAD AN AMBER CHK DOORS & AMBER CABIN DOOR OPEN LIGHT. CABIN DOOR OPEN LIGHT ON DOOR HANDLE ILLUM. RAN QRH & CONTINUED TO DESTIN
- [SDR DXTA2025062003969](https://openairdocs.org/sdr/DXTA2025062003969), Jun 19, 2025: PRESSURE SWITCH. FAULTED. SHORTLY AFTER TAKEOFF WE GOT A AMBER FUEL PRES LOW LEFT ANNUNCIATOR, WE FOLLOWED THE QRH AND TURNED THE LEFT BOOST PUMP ON, AFTER A FEW MINUTES THE LIGHT WENT O
- [SDR DXTA2025061603904](https://openairdocs.org/sdr/DXTA2025061603904), Jun 14, 2025: SWITCH. OUT OF ADJUST. CHECK DOORS AND CABIN DOOR OPEN CAS MESSAGES DISPLAYED WHILE IN FLIGHT. ADJUSTED NOSE DOOR PLUNGER SWITCH IAW CE-680A AMM 52-70-07 OPS CHECK GOOD

## 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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