# N664QS: 2019 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: 680A0200
- Year built: 2019
- Type: Fixed wing multi engine
- Engine type: Turbo-fan
- Airworthiness: Standard, transport
- Airworthiness date: June 3, 2019
- Certificate issued: August 6, 2025
- Expires: August 31, 2032
- Mode S code: A8C484
- Owner type: Co-owned, fractional ownership
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=664QS
- Page: https://openairdocs.org/aircraft/N664QS

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 N664QS.

## FAA accident and incident reports

None matched to N664QS.

## Reports on N664QS not matched to an aircraft (1)

They name N664QS, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft.

- [Incident 20080613840099I](https://openairdocs.org/incident/20080613840099I), Jun 13, 2008: Cessna 560XL (N664QS), Atlanta, GA, No damage. (-23) At approximately 1851 zulu time, citation N664QS initiated a takeoff roll from runway 20L at pdk airport. On the roll, the crew noticed that an antiskid…

## Service difficulty reports (16)

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 DXTA2026082409374](https://openairdocs.org/sdr/DXTA2026082409374), Aug 21, 2026: PRESSURE SWITCH. FAULTED. AFTER TAKEOFF WITH TAKEOFF THRUST, AFTER CLIMBING THROUGH FRA AND RETRACTING THE FLAPS TO ZERO AT APPROXIMATELY 500 FEET AGL, WE RECEIVED A RED "ENGINE VIBRATIO
- [SDR DXTA2026012906709](https://openairdocs.org/sdr/DXTA2026012906709), Jan 28, 2026: HANDLE. BINDING. MAIN CABIN DOOR HANDLE WILL NOT MOVE AFTER CLOSING DOOR. WE ARRIVED TO THIS AIRCRAFT AFTER OT WAS IN MAINTENANCE. WHEN CLOSING THE DOOR FROM THE INSIDE, THE HAN
- [SDR DXTA2025010201803](https://openairdocs.org/sdr/DXTA2025010201803), Jan 2, 2025: PUSHROD. OUT OF ADJUST. MAIN DOOR: WHEN ATTEMPTING TO CLOSE THE MAIN CABIN DOOR, THE LOCKING HANDLE WILL NOT ENGAGE. IT CAN'T BE MOVED. CORRECTIVE ACTION: ADJUSTED LOCKING PIN PUSHRODS
- [SDR DXTA2024121901551](https://openairdocs.org/sdr/DXTA2024121901551), Dec 15, 2024: STEERING SYS. FAULTED. AFTER LANDING WENT TO TAXI OFF RUNWAY & TILLER WOULD NOT TURN LT AT ALL, TILLER HAD MINIMAL CONTROL AUTHORITY TO THE RIGHT. INSPECTED FOR DAMAGE AND NONE FOUND.
- [SDR DXTA2024101000802](https://openairdocs.org/sdr/DXTA2024101000802), Oct 9, 2024: LIGHT. INOPERATIVE. LAV EXIT SIGN/LIGHT: EMERGENCY PATH LIGHT UNDER LAV SEAT IS INOP. BULB WORKS BUT CONNECTION IS INCONSISTENT. CORRECTIVE ACTION; REMOVED AND REPLACED EMERGENCY P
- [SDR DXTA2023101798170](https://openairdocs.org/sdr/DXTA2023101798170), Oct 16, 2023: UNKNOWN. UNKNOWN. MAIN DOOR: CABIN DOOR OPEN CAS AMBER INFLIGHT. WITH CHECK DOOR CAS. AMBER. PERFORMED INITIAL OPS CHECK OF MED. OPS CHECK FAILED. DOOR OPEN CAS REMAINED ON AFTER
- [SDR DXTA2023061588790](https://openairdocs.org/sdr/DXTA2023061588790), Jun 15, 2023: UNKNOWN. UNKNOWN. THE PART OF THE MAIN CABIN DOOR HANDRAIL THAT ATTACHES TO THE AIRFRAME AT THE AFT SIDE OF THE DOOR OPENING HAS BECOME CRACKED AND BROKEN.//CORRECITVE ACTION//IN
- [SDR DXTA2023032182970](https://openairdocs.org/sdr/DXTA2023032182970), Mar 20, 2023: PCB. DEFECTIVE. MAIN DOOR: AT FLIGHT LEVEL 320, THE CHECK DOOR AND CABIN DOOR OPEN EICAS MESSAGE DISPLAYED. COMPLIED WITH THE CHECKLIST. GAINED ACCESS TO L/H PCB ENCLOSURE ,REM
- [SDR DXTA2023030682120](https://openairdocs.org/sdr/DXTA2023030682120), Mar 5, 2023: NONE. NONE. COCKPIT EMERG LIGHT: THE COCKPIT FLOOD LIGHT IS 100% OUT . MOVING THE RHEOSTAT HAS NO EFFECT. WE CYCLED THE AIRCRAFT POWER AND IT HAD NO EFFECT. *** CORRECTIVE 
- [SDR DXTA2023021780620](https://openairdocs.org/sdr/DXTA2023021780620), Feb 16, 2023: WINDOW. DAMAGED. FIRST OFFICER COCKPIT WINDOW: COPILOT RIGHT SIDE WINDOW CRACKED. PERFORMED CHECKLIST,CIRCUIT BREAKER PULLED PER CHECKLIST. // SIGNOFF// REMOVED CRACKED RH COCKP
- [SDR DXTA2023020680010](https://openairdocs.org/sdr/DXTA2023020680010), Feb 5, 2023: NOT REPORTED. NOT REPORTED. MAIN DOOR: CABIN DOOR OPEN AND CHECK DOORS CAS MSGS DURING CRUISE FLIGHT. RAN QRH CHECKLIST. CABIN DOOR REMAINED SECURE AND CAS MSGS REMAINED ON THRU BLOCK-IN. 
- [SDR DXTA2022100371420](https://openairdocs.org/sdr/DXTA2022100371420), Oct 1, 2022: HANDLE. DIRTY. MAIN DOOR: MAIN CABIN DOOR HANDLE WILL NOT MOVE TO THE CLOSED POSITION. DOOR IS OPEN. VERIFIED DISCREPANCY. CLEANED AND LUBES MED LOCK PINS. PERFORMED SUCCESSFU
- [SDR DXTA2022021756840](https://openairdocs.org/sdr/DXTA2022021756840), Feb 16, 2022: WINDOW. FIRE. CAPTAIN COCKPIT WINDOW: THE VERY LEFT COCKPIT WINDOW CAUGHT ON FIRE AT THE TOP EDGE. AN ELECTRICAL FIRE OCCURRED SHORTLY AFTER TAKEOFF WHICH MELTED THE INSULATI
- [SDR DXTA2021111551910](https://openairdocs.org/sdr/DXTA2021111551910), Nov 14, 2021: NONE. NONE. LEFT MLG LANDING GEAR RETRACTION: UPON RAISING GEAR HANDLE, MAIN LANDING GEAR WERE SHUTTERING LOUD MULTIPLE TIMES WITH UNSAFE GEAR INDICATION. CHECKLIST WAS FOL
- [SDR DXTA202010054170](https://openairdocs.org/sdr/DXTA202010054170), Oct 5, 2020: WIRE HARNESS. BROKEN. UPON CLOSING CABIN DOOR COULD NOT GET "CABIN DOOR OPEN" AMBER CAS TO GO OUT. CHECK DOORS CAS TURNED WHITE. TRIED AOB PROCEDURE AND USING OVERRIDE WITH THE SAME 
- [SDR DXTA2020100504170](https://openairdocs.org/sdr/DXTA2020100504170), Oct 5, 2020: WARNING LIGHT. ILLUMINATED. UPON CLOSING CABIN DOOR COULD NOT GET "CABIN DOOR OPEN" AMBER CAS TO GO OUT. "CHECK DOORS" CAS TURNED WHITE. TRIED AOB PROCEDURE AND USING OVERRIDE WITH THE SAM

## Service difficulty reports on N664QS not matched to an aircraft (27)

They name N664QS, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft.

- [SDR DXTR2017041401](https://openairdocs.org/sdr/DXTR2017041401), Apr 13, 2017: SKIN. CORRODED. CORROSION FOUND ON RT FUSELAGE BETWEEN RT WING TRAILING EDGE AND FWD SIDE OF LAV SERVICE PANEL DOOR AT FS 405.0. ACCOMPLISHED MINOR REPAIR IAW MEMO DQ7654 DATED
- [SDR DXTR2017040702](https://openairdocs.org/sdr/DXTR2017040702), Apr 7, 2017: SKIN. CORRODED. CORROSION FOUND ON THE RT UPPER & LOWER WING SKINS & FITTING ON THE RT OUTBOARD FLAP. ACCOMPLISHED MAJOR REPAIR IAW REPAIR DEFINITION 5264/05RD DATED MARCH 31/2
- [SDR DXTR2017040701](https://openairdocs.org/sdr/DXTR2017040701), Apr 7, 2017: SKIN. CORRODED. CORROSION FOUND ON THE LT UPPER WING SKIN. ACCOMPLISHED MAJOR REPAIR IAW REPAIR DEFINITION 5264/05RD DATED MARCH 31/2017 & FAA FORM 8100-9 DATED APRIL 7, 2017. 
- [SDR DXTR2017040601](https://openairdocs.org/sdr/DXTR2017040601), Apr 6, 2017: SKIN. CORRODED. THE STINGER ASSEMBLY HAS THREE (3) AREAS OF CORROSION ON THE OUTER SKIN AT THE 6 O'CLOCK POSITION. REPAIRED IAW AQRD ERO-889608.
- [SDR DXTA2015091106081](https://openairdocs.org/sdr/DXTA2015091106081), Sep 10, 2015: B-NUT. LEAKING. LEFT BRAKE PEDAL ON CAPTAINS SIDE, PRESS DECREASED DURING BRAKING & PEDAL WENT TO STOP WITHOUT BRAKING. FOUND B NUT AT ANTI-SKID FILTER BOWL WET. CLEANED & CHEC
- [SDR DXTA2015072706048](https://openairdocs.org/sdr/DXTA2015072706048), Jul 24, 2015: PRESSURE SWITCH. INOPERATIVE. WHILE TAXIING IN, AFTER LANDING THE, LO BRAKE PRESSURE & ANTI-SKID INOPERATIVE, ANNUNCIATION ILLUMINATED WITH THE MASTER CAUTION LIGHT. LOST ALL NORMAL BRAKING 
- [SDR CWQR20150119004](https://openairdocs.org/sdr/CWQR20150119004), Jan 19, 2015: TUBE. LEAKING. DURING A SCHEDULED INSPECTION FOUND SLIGHT DISCOLORATION ON COWLING ASSEMBLY. INSPECTED & FOUND THE TWO FLEX JOINTS ON THE ENG INLET ANTI-ICE TUBE ASSEMBLY WERE
- [SDR DXTA2013072305457](https://openairdocs.org/sdr/DXTA2013072305457), Jul 25, 2013: PITOT TUBE. DAMAGED. THERE IS NO AIRSPEED INDICATION ON STANDBY INDICATOR, DURING TAKEOFF AT 60 KNOTS INDICATED ON LT AND RT PFD'S. TAKEOFF WAS ABORTED PRIOR TO 70 KNOTS IAS. REMOVE
- [SDR DXTA2012040204941](https://openairdocs.org/sdr/DXTA2012040204941), Mar 31, 2012: WINDSHIELD. CRACKED. RT FWD WINDSHIELD CRACKED. R & R RT HEATED WINDSHIELD IAW MM 56-11-00. PERFORMED WIRING CHECKS. NO DEFECTS NOTED.
- [SDR DXTA2011091904729](https://openairdocs.org/sdr/DXTA2011091904729), Sep 18, 2011: SWITCH. OUT OF ADJUST. AFTER TAKEOFF FLAPS WOULD NOT RETRACT OUT OF 15 DEGREES. ADJUSTED FLAP UP SWITCH IN PEDESTAL SC012. CYCLED SEVERAL TIMES AND CHECKED FLAP DEFLECTION ANGLES. FOU
- [SDR DXTA2011031504508](https://openairdocs.org/sdr/DXTA2011031504508), Mar 14, 2011: WARNING LIGHT. ILLUMINATED. DURING FIRST ENGINE START WITH PARKING BRAKE SET "LOW BREAK PRESSURE/ANTISKD INOP" CAUTION ANNUNCIATOR ILLUMINATED WITH CORRESPONDING MASTER CAUTION ANNOUNCIATO
- [SDR DXTA2010082304205](https://openairdocs.org/sdr/DXTA2010082304205), Aug 20, 2010: BRACKET. BENT. MAIN CABIN DOOR WILL NOT OPEN. TRIED BOTH INSIDE AND OUTSIDE HANDLES. BOTH HANDLES BIND AND REQUIRE A SIGNIFICANT AMOUNT OF FORCE TO TAKE TO FULL TRAVEL. MULTIP
- [SDR DXTA2010082304204](https://openairdocs.org/sdr/DXTA2010082304204), Aug 20, 2010: ANTI-SKID VALVE. MALFUNCTIONED. BRAKES APPEAR TO LEAK FLUID. RES FULL AT UPPER SIGHT GAUGE. NO AIR BUBBLE VISIBLE. 15 MINS AFTER DEPLANING UPPER SIGHT GAUGE ONLY 1/3 FULL. BRAKE PUMP CYCLES EV
- [SDR DXTA2009050803639](https://openairdocs.org/sdr/DXTA2009050803639), May 7, 2009: ACTUATOR. BINDING. IN CRUISE, PITCH TRIM WHEEL (AUTOPILOT ENGAGED) WAS FELT JERKING BUT NOT MOVING. AUTOPILOT DISCONNECTED TO FIND EXCESSIVE NOSE DOWN FORCE REQUIRED TO MAINTAIN L
- [SDR DXTA200808243239](https://openairdocs.org/sdr/DXTA200808243239), Aug 24, 2008: LIMIT SWITCH. MALFUNCTIONED. STAB MISCOMPARE ANNUNCIATOR ILLUMINATED AFTER TAKEOFF AFTER FLAPS WERE RETRACTED TO THE 0 DEGREES POSITION. COMPLETED CHECKLISTS FOR THAT CONDITION. STAB MISCOM
- [SDR DXTA200803119](https://openairdocs.org/sdr/DXTA200803119), Jun 13, 2008: BRAKE ASSY. MALFUNCTIONED. ON TAKEOFF ROLL AT APPROX 65 KIAS THE ANTI-SKID INOP WARNING LIGHT ILLUMINATED. TAKEOFF ABORTED. BLED BRAKES LEAK CHECKED AND COMPLIED WITH FUNCTIONAL TEST OPS 
- [SDR DXTA200803084](https://openairdocs.org/sdr/DXTA200803084), May 30, 2008: DISPLAY. MALFUNCTIONED. NR 2 COPILOTS PFD WENT BLANK FOR 20 SECONDS, RED X FOR ABOUT 10 SECONDS, THEN PFD CAME ON. MASTER CAUTION CAME ON & WENT OUT. ODOR OF SMOKE OR OF BURNING PLASTI
- [SDR DXTA200702682](https://openairdocs.org/sdr/DXTA200702682), Dec 15, 2007: CONTROLLER. INOPERATIVE. AUTOPILOT INOP AMBER TURN KNOB INDICATION ON PFD'S. TURN KNOB WAS IN THE CENTER POSITION. POSITION. REMOVED AUTOPILOT CONTROLLER & INSTALLED SERVICEABLE AUTOPIL
- [SDR DXTA200701983](https://openairdocs.org/sdr/DXTA200701983), Mar 1, 2007: UNKNOWN. UNKNOWN. STAB MISCOMPARE AND HYD PRESS LIGHT CAME ON OUT OF APPROX 3000 FT WITH THE GEAR UP AND FLAPS UP SPEED APPROX 220 KTS. RAN CHECKLIST . PULLED HYD CONTROL CB. HYD
- [SDR DXTA200601357](https://openairdocs.org/sdr/DXTA200601357), Apr 23, 2006: AHRS. DEFECTIVE. ON TAKEOFF ROLL COPILOT ATT FAIL AND HDG FAIL PFD ENUNCIATORS ILLUMINATED WITH CHECK PFD 2 ENUNCIATOR COULD NOT RESET. REMOVED FAULTY AHRS UNIT NR 2 S/N 1110 AN
- [SDR CWQR2006007](https://openairdocs.org/sdr/CWQR2006007), Mar 8, 2006: DRAIN VALVE. LOOSE. FOUND THE STATIC SYSTEM DRAIN VALVE POPPET RETAING RING COMING LOOSE FROM VALVE BASE.
- [SDR DXTA200601186](https://openairdocs.org/sdr/DXTA200601186), Jan 8, 2006: FUEL FILTER. BYPASSING. AT APPROX 30 KNOTS DURING THE TAKEOFF ROLL THE RIGHT FUEL FILTER BYPASS CAUTION LIGHT CAME ON. AFTER THE POWER WAS REDUCED TO IDLE THE LIGHT WENT OUT. REMOVED A
- [SDR DXTA200500894](https://openairdocs.org/sdr/DXTA200500894), Aug 10, 2005: BRAKE. MALFUNCTIONED. PILOT'S AND COPILOT'S -L- PEDALS HAVE EXCESSIVE TRAVEL FORWARD BEFORE BRAKE ACTUATES. -L- PEDALS ARE ALSO SPONGY CAUSING ACFT TO PULL HARD RIGHT WHEN BRAKES ARE
- [SDR DXTA200400243](https://openairdocs.org/sdr/DXTA200400243), Feb 14, 2004: WARNING LIGHT. FALSE INDICATION. AFTER TAKEOFF MOVED GEAR HANDLE UP AND NOTICED THE UNLOCK LIGHT REMAINED ON. RECYCLED GEARS TWICE AND PROBLEM REMAINED THE SAME WITH HYDRAULIC PRESS LIGHT STAYI
- [SDR DXTA200400234](https://openairdocs.org/sdr/DXTA200400234), Jan 29, 2004: CIRCUIT BOARD. FAILED. AFTER TAKEOFF AND GEAR HANDLE SELECTED TO THE UP POSITION THE UNLOCK LIGHT REMAINED ON, TRIED TO RECYCLE GEAR HANDLE BUT PROBLEM REMAINED THE SAME. REMOVED AND 
- [SDR DXTA200400220](https://openairdocs.org/sdr/DXTA200400220), Jan 18, 2004: WARNING LIGHT. ILLUMINATED. LANDING GEAR UNLOCK LIGHT REMAINED ON AFTER GEAR RETRACTION. RECYCLED GEAR ONCE WITH THE SAME RESULT. JACK UP AIRCRAFT INSPECTED UPLOCK ACTUATORS, SWITCHES AND 
- [SDR DXTA200300157](https://openairdocs.org/sdr/DXTA200300157), Nov 6, 2003: BRAKE ASSY. CONTAMINATED. LEFT BRAKE PEDAL FLUCTUATES IN TRAVEL REQUIRED TO GET THE BRAKE TO APPLY. VERIFIED SQUAWK, ACCOMPLISHED BRAKE BLEEDING PER CESSNA 560XL MM CHAPTER 32-42-00. ACC

## 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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