# N933QS: 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: 680A0362 - Year built: 2023 - Type: Fixed wing multi engine - Engine type: Turbo-fan - Airworthiness: Standard, transport - Airworthiness date: September 23, 2023 - Certificate issued: April 5, 2024 - Expires: April 30, 2031 - Mode S code: ACF23D - Owner type: Co-owned, fractional ownership - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=933QS - Page: https://openairdocs.org/aircraft/N933QS 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 N933QS. ## FAA accident and incident reports None matched to N933QS. ## Service difficulty reports (10) 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 DXTA2026090109517](https://openairdocs.org/sdr/DXTA2026090109517), Sep 1, 2026: LINK PIN. WORN. WEAR AND CORROSION ON LT MLG TRAILING LINK PIN FOUND DURING MAIN LANDING GEAR TRUNNION, TRAILING LINK, AND LINK PIN DETAIL INSPECTION - [SDR DXTA2026090109518](https://openairdocs.org/sdr/DXTA2026090109518), Sep 1, 2026: LINK PIN. WORN. WEAR AND CORROSION ON RT MLG TRAILING LINK PIN FOUND DURING MAIN LANDING GEAR TRUNNION, TRAILING LINK, AND LINK PIN DETAIL INSPECTION. - [SDR 2026FA0000178](https://openairdocs.org/sdr/2026FA0000178), Mar 12, 2026: SKIN. DEBONDED. DISBONDS ON THE UPPER WINGS BETWEEN THE OUTBOARD END OF STRINGERS AND THE COMMON SKIN DOUBLERS. THE SKIN AND COMMON DOUBLERS MAY ALSO EXHIBIT A GRADUAL DEVIATIO - [SDR 2026FA0000175](https://openairdocs.org/sdr/2026FA0000175), Mar 12, 2026: SKIN. DEBONDED. DISBANDS ON THE UPPER WINGS BETWEEN THE OUTBOARD END OF STRINGERS AND THE COMMON SKIN DOUBLERS. THE SKIN AND COMMON DOUBLERS MAY ALSO EXHIBIT A GRADUAL DEVIATIO - [SDR DXTA2026011706535](https://openairdocs.org/sdr/DXTA2026011706535), Jan 13, 2026: WIRE HARNESS. DAMAGED. NOSE GEAR UNSAFE LIGHT. : DURING GEAR EXTENSION, CREW OBSERVED THE NLG INITIALLY EXTENDED NORMALLY & DISPLAYED A GEAR UNSAFE INDICATION. CREW COMPLETED CHECKLIS - [SDR 2025FA0000750](https://openairdocs.org/sdr/2025FA0000750), Nov 8, 2025: SKIN. CHAFED. WHILE REMOVING CRACKED STINGER DEBRIS SHIELD, FOUND CHAFING ON THE LT AND RT STINGER SKINS. - [SDR 2025FA0000749](https://openairdocs.org/sdr/2025FA0000749), Nov 8, 2025: SKIN. CHAFED. WHILE REMOVING CRACKED STINGER DEBRIS SHIELD, FOUND CHAFING ON THE LT AND RT STINGER SKINS. - [SDR DXTA2025080404433](https://openairdocs.org/sdr/DXTA2025080404433), Aug 1, 2025: DOOR. FAULTED. CABIN DOOR OPEN CASS MESSAGES DISPLAYED. CHECK HANDLE MEASAGE FLASHING ON MED DISPLAY. QRH PROCEDURE ACCOMPLISHED TWICE. DOOR HANDLE FEELS LIKE IT BINDS WHILE C - [SDR DXTA2025062003942](https://openairdocs.org/sdr/DXTA2025062003942), Jun 18, 2025: WARNING LIGHT. FALSE ACTIVATION. SHORT FINAL APPROXIMATELY 150 FT RIGHT MAIN GEAR TURNED RED X, LANDING GEAR LANDING GEAR AURAL ALERT OVER HEADSETS CONTINUOUSLY COULD NOT CANCEL, NO MESSAGES, C - [SDR DXTA2025020502203](https://openairdocs.org/sdr/DXTA2025020502203), Feb 2, 2025: PUSHROD. OUT OF ADJUST. MAIN DOOR: AFTER CLOSING MAIN CABIN DOOR AMBER CABIN DOOR OPEN CAS MESSAGE REMAINED ON. COMPLETED QRH AND AFM PROCEDURE AND CAS MESSAGE WOULD NOT EXTINGUISH. HA ## Service difficulty reports on N933QS not matched to an aircraft (29) They name N933QS, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft. - [SDR DXTA2014071405816](https://openairdocs.org/sdr/DXTA2014071405816), Jul 11, 2014: LINE. BROKEN. WHEN GEAR HANDLE WAS SELECTED TO UP POSITION, AMBER HYD QTY LOW MESSAGE ILLUMINATED FOLLOWED BY THE A PUMP FAIL & PTU FAIL MESSAGES. FOLLOWED EMERGENCY CHECKLIS - [SDR DXTA2014021705658](https://openairdocs.org/sdr/DXTA2014021705658), Feb 3, 2014: SKIN. CORRODED. CORROSION FOUND ON RT UPPER WING SKIN AT THE WING TO FUSELAGE FAIRING SEAM. CORROSION ON RT WING UPPER AFT SKIN FOUND TO BE OUT OF LIMITS. REPAIRED CORROSION ON - [SDR DXTA2013031805319](https://openairdocs.org/sdr/DXTA2013031805319), Mar 17, 2013: ACM. FAILED. BURNING ODOR COMING FROM COCKPIT. TURNED COCKPIT PACK OFF AND ODOR DISSIPATED. R & R AFT ACM IAW MM 21-51-00. ACM OPS & LEAK CHECKS GOOD. - [SDR DXTA2013021505289](https://openairdocs.org/sdr/DXTA2013021505289), Feb 14, 2013: DOWNLOCK SWITCH. INTERMITTENT. WHEN GEAR HANDLE WAS SELECTED TO THE DOWN POSITION FOR LANDING, MAIN GEAR INDICATIONS WERE GREEN, NOSE GEAR DID NOT INDICATE GREEN. UNLOCK LIGHT WAS NOT ILLUMIN - [SDR DXTA2012062805020](https://openairdocs.org/sdr/DXTA2012062805020), Feb 21, 2012: SPAR CAP. DAMAGED. ON DISASSEMBLY UPPER SPAR CAP PANEL, DOUBLE DRILLED HOLE IN INBD SIDE OF EHS 66.5 HINGES SUPPORT ASSY . - [SDR DXTA2012062805019](https://openairdocs.org/sdr/DXTA2012062805019), Feb 21, 2012: SKIN. CORRODED. CORROSION REMOVED FROM PANEL LAND AT ACCESS HOLE 521 FB TO MAX DEPTH OF .080 EXCEEDS SPEC COMPLETED EDDY CURRENT NDI IAW 20-00-02. NO CRACKS DETECTED. ACCOMPLIS - [SDR DXTA2012062905018](https://openairdocs.org/sdr/DXTA2012062905018), Feb 21, 2012: ACCESS PANEL. CORRODED. CORROSION REMOVED FORM PANEL LAND AT ACCESS HOLE 512 TO MAR DEPTH OF .123 EXCEEDS SPEC. COMPLETED EDDY CURRENT NDI IAW NDT MAIN 20-00-00 NO CRACKS DETECTECED. F - [SDR DXTA2011052704593](https://openairdocs.org/sdr/DXTA2011052704593), May 27, 2011: WHEEL. WORN. DURING TAKEOFF ROLL, AT APPROX 50 KNOTS, A SEVERE VIBRATION DEVELOPED IN THE NOSE GEAR AND THE TAKEOFF WAS ABORTED. R & R NOSE WHEELS IAW MM 32-41-01. TORQUED, - [SDR DXTA2010061004119](https://openairdocs.org/sdr/DXTA2010061004119), Jun 9, 2010: UPLOCK SWITCH. OUT OF ADJUST. 5 TIMES IN OUR 1.3 HR FLIGHT, WE HAD THE NOSE GEAR BUMP. 3 TIMES DURING CLIMB OUT & 2 TIMES DURING CRUISE. PERFORMED LANDING GEAR BUMP TROUBLESHOOTING PROCEDURE - [SDR DXTA2009102103820](https://openairdocs.org/sdr/DXTA2009102103820), Oct 20, 2009: ACM. SEIZED. ON THE GROUND AND APU RUNNING, SEVERAL SECONDS AFTER ISOLATION VALVE OPENED SMOKE APPEARED IN THE COCKPIT WITH AN OILY SMELL. - [SDR DXTA2009050403631](https://openairdocs.org/sdr/DXTA2009050403631), May 1, 2009: A/C PACK. ODOR. SMOKE IN COCKPIT. WHEN PAC'S TURNED ON A BURNED MILDEW ODOR AND HAZE STARTED TO BUILD UP IN COCKPIT. PAC'S SWITCHED OFF AND ODOR / HAZE DISSIPATED. FOUND COCKPI - [SDR DXTA200803116](https://openairdocs.org/sdr/DXTA200803116), Jun 13, 2008: ACTUATOR. FAULTY. DURING CLIMB OUT PASSING THROUGH FL180 AND 250 KIAS THE UPPER RUDDER BEGAN TO OSCILLATE, THIS WAS PHYSICALLY NOTICABLE IN THE AIRFRAME. TROUBLESHOT AND FOUND UP - [SDR DXTA200803058](https://openairdocs.org/sdr/DXTA200803058), May 13, 2008: ACTUATOR. INOPERATIVE. DURING CLIMB AND CRUISE, RUDDER OSCILLATES INTERMITTENTLY WITH UPPER RUDDER (A) SELECTED. REMOVED UPPER RUDDER ACTUATOR- INSTALLED A REPAIRED ACTUATOR. PERFORME - [SDR DXTA200802965](https://openairdocs.org/sdr/DXTA200802965), Mar 25, 2008: ACTUATOR. INOPERATIVE. AFTER TAKEOFF, WHILE ACCELERATING THROUGH 240 KIAS AT5000 FT, PITCH FEEL FAIL CAS MESSAGE ILLUMINATED. REMOVED RT PITCH FEEL ACTUATOR AND REPLACED IAW MM 27-33- - [SDR DXTA20082965](https://openairdocs.org/sdr/DXTA20082965), Mar 25, 2008: ACTUATOR. MALFUNCTIONED. AFTER TAKEOFF, WHILE ACCELERATING THROUGH 240 KIAS AT5000 FT, PITCH FEEL FAIL CAS MESSAGE ILLUMINATED. REMOVED RT PITCH FEEL ACTUATOR AND REPLACED IAW MM 27-33- - [SDR DXTA200702735](https://openairdocs.org/sdr/DXTA200702735), Jan 1, 2008: CONTROLLER. MALFUNCTIONED. AFTER TAKEOFF, FLAP FAIL CAS MESSAGE DISPLAYED WITH THE FLAPS AT 0*. FOUND BITS 2 TRIPPED ON FLAP CONTROLLER. RESET FLAP FAIL BUTTON ON SECOND ATTEMPT. THE FLAP - [SDR DXTA200702642](https://openairdocs.org/sdr/DXTA200702642), Dec 2, 2007: ACM. SMOKE. AFTER LANDING DURING TAXI IN, A SLIGHT BURNING RUBBER ODOR WAS NOTICEABLE. ( BOTH ENGINES AND APU RUNNING) AFTER ENGINE SHUTDOWN, APU STILL ON, THE ODOR GOT VER - [SDR DXTA200702438](https://openairdocs.org/sdr/DXTA200702438), Aug 31, 2007: RESOLVER. FAILED. DURING DESCENT THROUGH 15,000 AT 340 KIAS, THE FLAP FAIL CAS, AMBER FLAP SYNOPTIC AND FLAPS RESET LIGHT CAME ON. AFM PROCDURES WERE FOLLOWED. SLATS EXTENDED, BU - [SDR DXTA200702287](https://openairdocs.org/sdr/DXTA200702287), Jun 22, 2007: UNKNOWN. UNKNOWN. MASTER WARNING ILLUMINATED DURING TAKEOFF ROLL JUST ABOVE 80 KTS. [07-12-07] REPLACED LOWER YAW DAMP "B" ACTUATOR AND OPS CHECKED IAW 750 M/M 27-24-00. - [SDR DXTA200702082](https://openairdocs.org/sdr/DXTA200702082), Apr 5, 2007: A/C PACK. ODOR. GETTING A BURNING ODOR IN THE CABIN AND COCKPIT, POSSIBLE PACK IS FAILING. REMOVED AND INSTALLED NEW COALESCER IN BOTH THE COCKPIT & CABIN WATER SEPERATORS. RAN - [SDR DXTA200601407](https://openairdocs.org/sdr/DXTA200601407), May 26, 2006: A/C PACK. FAILED. DURING ENGINE START WE SMELLED A VERY STRONG, PUNGENT ENVIROMENTAL ODOR. SUSPECT COCKPIT PAC FAILURE. VERIFIED COCKPIT PAC FAILED.REMOVED AND REPLACED COCKPIT A - [SDR DXTA200601390](https://openairdocs.org/sdr/DXTA200601390), May 9, 2006: PUMP. FAILED. DURING CLIMB OUT RT HYD PRESSURE INDICATED AMBER AT 3300 LBS. LOW HYD VOLUME AND LOSS OF SYSTEM PRESSURE FOLLOWED. RT HYDRAILIC PUMP HAS FAILED, REMOVED PUMP AN - [SDR DXTA200601323](https://openairdocs.org/sdr/DXTA200601323), Mar 29, 2006: STRUT. MALFUNCTIONED. AFTER TAKEOFF, LANDING GEAR WOULD NOT RETRACT. LANDING GEAR HANDLE WOULD NOT MOVE FROM A/C DOWN POSITION. CHECKED AIRCRAFT, FOUND NOSE STRUT NOT FULLY EXTENDED, - [SDR DXTA200601299](https://openairdocs.org/sdr/DXTA200601299), Mar 14, 2006: POSITION SWITCH. LOOSE. AFTER TAKEOFF, LANDING GEAR WOULD NOT RETRACT. LANDING GEAR HANDLE WAS STUCK IN THE DOWN POSITION. FOUND NOSE GEAR TORQUE LINK SQUAT CAM LOOSE. SECURED AND ADJU - [SDR DXTA200601267](https://openairdocs.org/sdr/DXTA200601267), Feb 16, 2006: FLAP SYSTEM. FAILED. AT 19,000 MSL AND 220 IAS SELECTED FLAPS TO 5 DEG. FLAPS FAIL CAS MESSAGE APPEARED WITH AMBER FLAP POSTION INDICATOR UNABLE TO RESET FLAPS AND LANDED WITH SLATS - [SDR DXTA200500786](https://openairdocs.org/sdr/DXTA200500786), Jun 19, 2005: LANDING GEAR. MALFUNCTIONED. LANDING GEAR BUMP THROUGH 15,000 FT, NO UNLOCK LIGHT INDICATED. COULD NOT DUPLICATE PROBLEM ON GROUND. CARRIED OUT T/S. MADE ADJUSTMENTS TO R/S CLEAR UPLOCK SWI - [SDR DXTA200500580](https://openairdocs.org/sdr/DXTA200500580), Feb 5, 2005: AUTOPILOT SYS. MALFUNCTIONED. DURING CRUISE, AUTOPILOT INPUTS FOR AILERON & UPPER RUDDER CONTROL OSCILLATES CONTINUOUSLY. TURBULENCE INCREASES THE INTENSITY & FREQUENCY OF OSCILLATIONS. APPL - [SDR DXTA200300103](https://openairdocs.org/sdr/DXTA200300103), Aug 22, 2003: CONTROLLER. FAILED. DURING DESCENT AT APPROX 13000 FT, (FGC A FAIL) MESSAGE ON EICAS, FOLLOWED SHORTLY AFTER BY SMOKE ODOR AND (TRIM SW FAIL L) ON EICAS. EVENT BUTTON WAS CYCLED. T - [SDR DXTA200300069](https://openairdocs.org/sdr/DXTA200300069), Jul 20, 2003: DOWNLOCK SWITCH. INOPERATIVE. RIGHT MAIN LANDING GEAR INDICATION REMAINED GREEN AFTER GEAR WAS RETRACTED, USED EMERGENCY BLOW DOWN GEAR. LANDING WAS UNEVENTFUL. DETERMINED THE RIGHT GEAR ACT ## 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 --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.