# N946QS: 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: 680A0379
- Year built: 2024
- Type: Fixed wing multi engine
- Engine type: Turbo-fan
- Airworthiness: Standard, transport
- Airworthiness date: February 27, 2024
- Certificate issued: March 28, 2024
- Expires: March 31, 2031
- Mode S code: AD24E1
- Owner type: Co-owned, fractional ownership
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=946QS
- Page: https://openairdocs.org/aircraft/N946QS

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 N946QS.

## FAA accident and incident reports

None matched to N946QS.

## 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 DXTA2026052208177](https://openairdocs.org/sdr/DXTA2026052208177), May 21, 2026: LINK. CORRODED. POTENTIAL PITTING FOUND ON THE RH TRAILING LINK WHILE COMPLETING SL680A-32-11 REMOVED ORIGINAL RT MLG TRAILING LINK 32-10-15. PERFORMED ALL POST MAINTENANCE CHE
- [SDR DXTA2026052208176](https://openairdocs.org/sdr/DXTA2026052208176), May 21, 2026: LINK. DAMAGED. POTENTIAL ARCING, CRACKING, & PITTING FOUND ON THE LH TRAILING LINK WHILE COMPLETING SL680A-32-11. REMOVED ORIGINAL LT MLG TRAILING LINK 32-10-15. PERFORMED ALL
- [SDR DXTA2025122906294](https://openairdocs.org/sdr/DXTA2025122906294), Dec 25, 2025: G SWITCH. TRIPPED. EMERGENCY EXIT LIGHT OVER THE MAIN CABIN DOOR STAYS ON AFTER ALL POWER FROM AIRCRAFT IS REMOVED AND EMER LIGHT SWITCH IS OFF. ALSO EXIT SIGNS ON EITHER SIDE OF 
- [SDR DXTA2025071504228](https://openairdocs.org/sdr/DXTA2025071504228), Jul 12, 2025: LIGHT. INOPERATIVE. EXIT SIGN OVER SEAT 7 WILL NOT ILLUMINATE DURING PRE-FLIGHT EMERGENCY LIGHTING TEST. ATTEMPTED TO CHARGE BATTERY PACK PER TEXTRON PROCEDURE WITH NO RESULTS. MAI

## Service difficulty reports on N946QS not matched to an aircraft (32)

They name N946QS, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft.

- [SDR 2020F00162](https://openairdocs.org/sdr/2020F00162), Mar 31, 2020: WEB. CRACKED. (FIELD REPAIR) CRACK, NOSE WHEEL WELL, LH SIDEWALL WEB, NEAR F.S. 79.40 FIELD REPAIR FR-750-0195-7828 REV-
- [SDR DXTA201909192861](https://openairdocs.org/sdr/DXTA201909192861), Sep 9, 2019: STRUT. OUT OF TOLERANCE. IN FLIGHT, ONCE IN CRUISE AND SECOND TIME DURING DESCENT. UNLOCK RED GEAR LIGHT ILLUMINATED FOR ABOUT ONE SECOND. LOUD NOISE APPEARED TO BE COMING FROM THE NOSE
- [SDR 2019F00227](https://openairdocs.org/sdr/2019F00227), Jun 22, 2019: FAIRING. CRACKED. AFT SECTION BULLET DAMAGE IAW ENGINEERING MEMO DQ21974M1
- [SDR DXTA201902120120](https://openairdocs.org/sdr/DXTA201902120120), Feb 12, 2019: RIB. DAMAGED. REPAIR OF RH WING WS 136.909 RIB OVERSIZED FASTENER HOLES. TEXTRON AVIATION ENGINEERING MEMO DQ18335M1 DATED FEBRUARY 7, 2019.
- [SDR DXTA201902120119](https://openairdocs.org/sdr/DXTA201902120119), Feb 12, 2019: DIFFUSER. CHAFED. REPAIR OF LH AND RH WING INBOARD LEADING EDGE DIFFUSERS CHAFED. TEXTRON AVIATION ENGINEERING MEMO DQ18320M1 DATED FEBRUARY 1, 2019.
- [SDR DXTA201708210001](https://openairdocs.org/sdr/DXTA201708210001), Aug 18, 2017: APU. ODOR. STRONG SMOKE AND SOCK ODOR DURING DESCENT. REMOVED & REPLACED THE APU IAW AMM 49-00-00. OPS & LEAK CHECKED GOOD. REMOVED & REPLACED BOTH WATER SEPARATOR SOCKS I
- [SDR DXTA2016100206314](https://openairdocs.org/sdr/DXTA2016100206314), Oct 2, 2016: BRAKE SYS. UNKNOWN. WHEN BRAKING DURING LANDING THE PLANE PULLS HARD LEFT. INSPECTED BRAKES FOR GENERAL CONDITION AND LEAKS IAW AMM 32-40-00. NO DEFECTS NOTED. FLUSHED/CLEANED BRAK
- [SDR DXTA2016082106284](https://openairdocs.org/sdr/DXTA2016082106284), Aug 21, 2016: COFFEEMAKER. UNSERVICEABLE. A CRUISE ALTITUDE AND 45 MINUTES INTO FLIGHT ALL OCCUPANTS SMELLED A FOUL ODOR. WE TRACED IT TO THE COFFEE AND WATER POTS. ONCE POWER WAS TURNED OFF TO THE POTS
- [SDR DXTA2016082106283](https://openairdocs.org/sdr/DXTA2016082106283), Aug 21, 2016: DISPLAY. UNSERVICEABLE. AT 3500 FEET WE HAD SMOKE IN THE COCKPIT FROM THE DU4. WE SMELLED ELECTRICAL FIRE THE MFD 2 CIRCUIT BREAKER TRIPPED. UPON ARRIVAL THE MFD 2 CIRCUIT BREAKER WAS 
- [SDR DXTA2016020306177](https://openairdocs.org/sdr/DXTA2016020306177), Feb 3, 2016: WARNING SYSTEM. ACTIVATED. 40 MINS AFTER TAKEOFF GEAR UNLOCK LIGHT APPEARED, ACCOMPANIED BY AN AUDIBLE THUMP. JACKED ACFT, CYCLED GEAR & VERIFIED DISCREPANCY. CHECKED OPERATION OF ALL UPL
- [SDR DXTA201407145820](https://openairdocs.org/sdr/DXTA201407145820), Jul 16, 2014: SKIN. CORRODED. CORROSION WAS FOUND AT SEVERAL LOCATIONS ON THE RT WING UPPER SKIN, RT FWD & RT UPPER SKIN BOND ASSEMBLY & CHAFING ON LT WING SECONDARY LE SKINS. REPAIRS ACCOMP
- [SDR DXTA2014050105750](https://openairdocs.org/sdr/DXTA2014050105750), Apr 30, 2014: UPLOCK SWITCH. FAULTY. AFTER TAKEOFF PLACED GEAR HANDLE IN UP POSITION & ONLY THE MAIN GEAR LIGHTS EXTINGUISHED. TOWER CONFIRMED THAT OUR NOSE GEAR WAS STILL DOWN. PLACED GEAR HANDLE 
- [SDR DXTA2014042805745](https://openairdocs.org/sdr/DXTA2014042805745), Apr 25, 2014: CAM. WORN. AFTER TAKEOFF, GEAR WOULD NOT RETRACT. GEAR HANDLE WOULD NOT MOVE. JACKED AIRCRAFT. FOUND NLG STRUT SWITCH CAM WORN. REMOVED AND INSTALLED NEW SQUAT SWITCH CAM.
- [SDR DXTA2012123105221](https://openairdocs.org/sdr/DXTA2012123105221), Dec 29, 2012: LINE. LEAKING. AFTER TAKEOFF, HYDRAULIC VOLUME LOW, AMBER CAS ILLUMINATED DURING GEAR RETRACTION. HYD QTY INDICATED 0 PERCENT. ACFT INSPECTED, RT MLG FOUND RETRACT LINE LEAKIN
- [SDR DXTA2011080904699](https://openairdocs.org/sdr/DXTA2011080904699), Aug 9, 2011: A/C PACK. FAILED. ODOR OF FUMES EMITTED INTO COCKPIT SUDDENLY AT CRUISE. TURNING OFF COCKPIT A/C PACK STOPPED THE FUMES. INSPECTED COALESCERS & FOUND TO BE DIRTY. REMOVED DUCTING
- [SDR DXTA2011010304391](https://openairdocs.org/sdr/DXTA2011010304391), Dec 31, 2010: PDU. FAILED. FLAP FAIL WITH FLAPS EXTENDED TO 4 DEGREES AND SLATS EXTENDED. TROUBLESHOT TO A BAD PVD IAW MM 27-50-00. R & R PVD, OPS CHECKED GOOD IAW MM 27-52-00.
- [SDR DXTA2010112904322](https://openairdocs.org/sdr/DXTA2010112904322), Nov 24, 2010: FLAP SYSTEM. MALFUNCTIONED. FLAPS FAIL LIGHT ON IACAS AND AFTER RUNNING APPROPRIATE CHECKLIST, COULD NOT GET FLAPS AND SLATS PAST 5 DEGREES FOR LANDING. LANDED WITH FLAPS 5 AND SLATS OUT. 
- [SDR DXTA2008103003328](https://openairdocs.org/sdr/DXTA2008103003328), Oct 29, 2008: MODULE. LOOSE. ENG ANTI-ICE HOT R CAS MESSAGE APPEARED DURING T/O ROLL, ABORTED T/O. MESSAGE REMAINED ON FOR AN ADDITIONAL 15 MINUTES DURING TROUBLSHOOTING. MESSAGE FINAL CLEA
- [SDR DXTA200803036](https://openairdocs.org/sdr/DXTA200803036), Apr 30, 2008: WARNING MESSAGE. ILLUMINATED. (REMOTE C B TRIPPED) CYAN MESSAGE APPEARED ON TAKE-OFF. INSPECTED REMOTE C/B IN MAIN JUNCTION BOX. NO DEFECTS FOUND. POWERED AIRCRAFT AVIONICS SYSTEM, NO ABNORM
- [SDR DXTA200802969](https://openairdocs.org/sdr/DXTA200802969), Mar 29, 2008: STRUT. DEFECTIVE. DURING CLIMB THRU APPROX FL390 AT M.80 GOT RED GEAR UNSAFE LIGHT ACCOMPANIED BY A LOUD THUMP. FOUND UPLOCK ENGAGEMENT BELOW MINIMUM, AND SWITCH ENGAGEMENT BELOW
- [SDR DXTA20082969](https://openairdocs.org/sdr/DXTA20082969), Mar 29, 2008: STRUT. DAMAGED. DURING CLIMB THRU APPROX FL390 AT M.80 GOT RED GEAR UNSAFE LIGHT ACCOMPANIED BY A LOUD THUMP. FOUND UPLOCK ENGAGEMENT BELOW MINIMUM, AND SWITCH ENGAGEMENT BELOW
- [SDR DXTA20082889](https://openairdocs.org/sdr/DXTA20082889), Feb 19, 2008: COMPUTER. FAULTY. YD FAIL UPPER B CAS MESSAGE DISPLAYED WHILE CLIMBING THROUGH APPROX FL240. COULD NOT VERIFY DISCREPANCY AT THIS TIME. DUE TO PRIOR HISTORY, REMOVED SUSPECTED FA
- [SDR DXTA200702557](https://openairdocs.org/sdr/DXTA200702557), Oct 19, 2007: ACM. LEAKING. CABIN FILLED WITH ENGINE EXHAUST ODOR INSTALLED REPAIRED ACM IAW 750MM 21-51-00. OPS CHECKED GOOD.
- [SDR DXTA200702092](https://openairdocs.org/sdr/DXTA200702092), Apr 7, 2007: INDICATOR. OUT OF RIG. DURING TAXI, YD NOT CENTERED AND FGC, B FAIL CAS MESSAGE CAME ON INTERMITTENT. IN FLIGHT DURING TURBULENCE THE YD NOT CENTER CAS MESSAGE CAME ON INTERMITTENT. [
- [SDR DXTA200601815](https://openairdocs.org/sdr/DXTA200601815), Dec 23, 2006: CABLE. OUT OF ADJUST. DOOR LEAKS AIR AND WHISTLES AT FL410. FOUND SUPPLY TUBE TO LOWER ACOUSTIC DOOR SEAL PINCHED PREVENTING SEAL FROM INFLATING. REPOSITIONED TUBE IAW CE 750 M.M. 52
- [SDR DXTA200601376](https://openairdocs.org/sdr/DXTA200601376), May 2, 2006: LANDING GEAR. NOISY. AFTER TAKEOFF THREE GREEN GEAR LIGHTS EXTINGUISHED BUT UNLOCK LIGHT DID NOT GO OUT UNTIL 3000AGL. DURING THIS TIME LOUD NOISES HEARD FROM THE NOSE GEAR. SERVICE
- [SDR DXTA200601222](https://openairdocs.org/sdr/DXTA200601222), Jan 30, 2006: STRUT. UNDERSERVICED. LANDING GEAR HANDLE WOULD NOT MOVE AFTER TAKEOFF AND LANDING GEAR COULD NOT BE RETRACTED. FOUND NOSE STRUT STICKING END NOT FULLY SERVICED. SERVICED NOSE STRUT.
- [SDR DXTA200601218](https://openairdocs.org/sdr/DXTA200601218), Jan 26, 2006: BRAKE. DIRTY. DURING LANDING ROLL LEFT BRAKE GRABS SEVERELY CAUSING A/C TO VEER LEFT WITH VERY LITTLE PRESSURE APPLIED. JACKED THE AIRPLANE AND CARRIED OUT BRAKE OPS CHECK, I
- [SDR DXTA200501158](https://openairdocs.org/sdr/DXTA200501158), Dec 23, 2005: CONNECTOR. DIRTY. GEAR UNLOCK LIGHT REMAINED ON AFTER THE GEAR HANDLE WAS SELECTED UP AFTER TAKEOFF. JACKED AIRCRAFT CYCLED GEAR 6 TIMES, OPS CHECKED GOOD. CHECKED RIG AND INSPEC
- [SDR DXTA200501083](https://openairdocs.org/sdr/DXTA200501083), Nov 13, 2005: STRUT. DISCHARGED. GEAR HANDLE COULD NOT BE MOVED TO THE UP POSITION AFTER TAKEOFF. CHECKED NLG STRUT SERVICING. FOUND NO PRESSURE IN LOWER BARREL. SERVICED STRUT, OPERATIONAL CHE
- [SDR DXTA200400291](https://openairdocs.org/sdr/DXTA200400291), Apr 8, 2004: RELEASE CABLE. OUT OF RIG. AT FL410 THERE WAS A LOUD THUMP IN THE NOSE GEAR AREA AND THE GEAR UNLOCK RED LIGHT ILLUMINATED, THERE WAS ANOTHER THUMP AND THE LIGHT EXTINGUISHED. LANDING GEA
- [SDR DXTA200300089](https://openairdocs.org/sdr/DXTA200300089), Aug 17, 2003: ACTUATOR. MALFUNCTIONED. DURING FLIGHT FROM VNY TO HPN THE RUDDER LIMIT FAIL "A" WARNING LIGHT ILLUMINATED. ACCOMPLISHED AIR TURN BACK TO VNY AND LANDED OVERWEIGHT. REMOVED AND REPLACED

## 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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