# N938QS: 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: 680A0371
- Year built: 2023
- Type: Fixed wing multi engine
- Engine type: Turbo-fan
- Airworthiness: Standard, transport
- Airworthiness date: December 3, 2023
- Certificate issued: November 1, 2024
- Expires: November 30, 2031
- Mode S code: AD04D0
- Owner type: Co-owned, fractional ownership
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=938QS
- Page: https://openairdocs.org/aircraft/N938QS

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 N938QS.

## FAA accident and incident reports

None matched to N938QS.

## Service difficulty reports (5)

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 DXTA2026101410124](https://openairdocs.org/sdr/DXTA2026101410124), Oct 10, 2026: CONTROL MODULE. DEFECTIVE. LANDING GEAR HANDLE WORKS GREAT ON PUTTING GEAR UP. TODAY GEAR HANDLE FAILED TO PUT GEAR DOWN ON FIRST TRY. PUTTING THE HANDLE TO UP THEN DOWN ON SECOND TRY DEP
- [SDR DXTA2025081504607](https://openairdocs.org/sdr/DXTA2025081504607), Aug 14, 2025: STEERING UNIT. MALFUNCTIONED. UPON GEAR RETRACTION DURING CLIMB OUT, THE NOSE LANDING GEAR TOOK AN EXCESSIVELY LONG TIME TO RETRACT AND RESULTED IN A TEMPORARY NOSE GEAR DISAGREE CAS MESSAGE
- [SDR DXTA2025052303598](https://openairdocs.org/sdr/DXTA2025052303598), May 22, 2025: BATTERY PACK. NO TEST. EMER LIGHTS DO NOT FUNCTION IN ARM POSITION. LIGHTS ALL FUCNTION NORMALLY IN THE ON POSITION. WHEN POWER WAS REMOVED FROM THE AC IN ARM THE EMER LIGHTS DO NOT P
- [SDR DXTA2025020302170](https://openairdocs.org/sdr/DXTA2025020302170), Jan 30, 2025: DOOR. UNKNOWN. MAIN DOOR: THE CABIN DOOR WILL NOT CLOSE NORMALLY. ATTEMPTING TO ACCOMPLISH THE ABNORMAL/EMERGENCY PROCEDURES CHECKLIST UNDER THE CABIN DOOR OPEN CAS MESSAGE PR
- [SDR 2024F00191](https://openairdocs.org/sdr/2024F00191), Aug 18, 2024: DOOR. ERODED. THE R/H LOWER COWLING HAS LARGE CHIPS OF PAINT COMING OFF ON THE FWD. AREA WHICH IS EXPOSING THE COMPOSITE AREA, MULTIPLE AREAS OF COMPOSITE HAVE ERODED AWAY.

## Service difficulty reports on N938QS not matched to an aircraft (29)

They name N938QS, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft.

- [SDR DXTA2018F00132](https://openairdocs.org/sdr/DXTA2018F00132), Oct 12, 2018: SPAR CAP. CORRODED. RIGHT WING AFT SPAR AREA, FWD OF OUTBOARD END OF AILERON SHOWS SIGNS OF CORROSION. FIELD REPAIR FR-750-0183-4697 REV- DATED:10/12/2018.
- [SDR 2019F00083](https://openairdocs.org/sdr/2019F00083), Oct 10, 2018: STRAP. CHAFED. ACCOMPLISHED ENGINEERING LETTER DQ16045M1 DATED OCT. 9, 2018; 750-0183. FORWARD ENGINE BEAM (RIGHT SIDE) UPPER STRAP DAMAGE (CHAFE).
- [SDR 2018F00149](https://openairdocs.org/sdr/2018F00149), Apr 4, 2018: SKIN. DAMAGED. DAMAGE TO SLAT SKIN AND GOUGE TO INBOARD HLE SKIN P/N 6722402-41. ACCOMPLISHED ENGINEERING LETTER DQ11736M1.
- [SDR 2018FA0000127](https://openairdocs.org/sdr/2018FA0000127), Apr 4, 2018: SKIN. DAMAGED. DAMAGE TO SLAT SKIN AND GOUGE TO INBOARD HLE SKIN P/N 6722402-41. ACCOMPLISHED ENGINEERING LETTER DQ11736M1.
- [SDR 2017FA0000497](https://openairdocs.org/sdr/2017FA0000497), Sep 20, 2017: ACCESS PANEL. TORN. AFT LOWER PANEL OF LEFT ENGINE PYLON HAS TORN-OUT NUT PLATE ON ACCESS PANEL ATTACH FLANGE.
- [SDR 2017FA0000148](https://openairdocs.org/sdr/2017FA0000148), Mar 30, 2017: STRUCTURE. DAMAGED. A DENT AND GOUGE FOUND ON INBOARD EDGE OF RIGHT SLAT.
- [SDR DXTA2016092706310](https://openairdocs.org/sdr/DXTA2016092706310), Sep 27, 2016: RESERVOIR. EMPTY. DURING CRUISE AT FL410, AN LT OIL LOW LEVEL CAS MESSAGE ALONG WITH A RAPIDLY DECREASING OIL LEVEL INDICATION WAS OBSERVED. WE DECLARED AN EMERGENCY AND PREFORME
- [SDR CNQR2016F00188](https://openairdocs.org/sdr/CNQR2016F00188), Sep 19, 2016: SKIN. CORRODED. REPAIR OF LOWER WING SKIN CORROSION. REPORT S-750-0183/12RD DATED AUG 24, 2016 WITH FORM 8100-9 DATED 8/25/2016.
- [SDR DXTA2015022505986](https://openairdocs.org/sdr/DXTA2015022505986), Feb 24, 2015: ACM. UNSERVICEABLE. ACRID SMELL NOTED DURING DESCENT. AT AUTOPILOT DISCONNECT, NO TONE AND BOTH PFDS SWITCHED UNCOMMANDED AFTER TOUCHDOWN TO SHORT RANGE CROSS SIDE INDICATION FROM 
- [SDR DXTA2014071405819](https://openairdocs.org/sdr/DXTA2014071405819), Jun 26, 2014: ACCESS PANEL. CORRODED. CORROSION WAS FOUND WING LOWER ACCESS PANELS. REPAIRED ACCOMPLISHED IAW NR S-750-0183 09RD
- [SDR DXTA2013112205578](https://openairdocs.org/sdr/DXTA2013112205578), Nov 21, 2013: STRUT. DEFECTIVE. AT FL390 HEARD BUMP & RED UNLOCK LIGHT CAME ON & STAYED ON WHOLE FLIGHT. FOUND NLG STRUT EXTENSION TO BE BEYOND LIMITS. REMOVED NLG WHEEL ASSEMBLIES. DISASSEMBL
- [SDR DXTA2012110505169](https://openairdocs.org/sdr/DXTA2012110505169), Nov 5, 2012: UNKNOWN. ODOR. FOUL OILY, MUSTY ODOR COMING FROM BOTH PACS.
- [SDR DXTA2012110105163](https://openairdocs.org/sdr/DXTA2012110105163), Oct 31, 2012: STRUT. DISCHARGED. LANDING GEAR WOULD NOT RETRACT AFTER TAKEOFF. LANDING GEAR HANDLE "STUCK" IN DOWN POSITION. JACKED ACFT AND FOUND NOSE STRUT NOT EXTENDING. FOUND NOSE STRUT SER
- [SDR DXTA2012050804971](https://openairdocs.org/sdr/DXTA2012050804971), May 7, 2012: COALESCER BAG. DIRTY. FOURTY FOUR MINUTES INTO FLIGHT, A CHEMICAL TYPE ODOR INTENSIFIED. NOTICED COCKPIT SUPPLY TEMP RISING FROM 38 DEGREES FOR THE FIRST TIME OF FLIGHT. ABLE TO CORR
- [SDR DXTA2011031804513](https://openairdocs.org/sdr/DXTA2011031804513), Mar 16, 2011: TUBE. OUT OF POSITION. DURING LEVEL FLIGHT FL290/340KTS TWICE EICAS "RT WING TANK OVER FULL" INCLUDING VENTING FUEL FROM RH WING. WITHIN 1 MIN FROM 3000 TO 2900 LBS. MESSAGE WENT AWAY
- [SDR DXTA2010011103940](https://openairdocs.org/sdr/DXTA2010011103940), Jan 9, 2010: DOOR. DAMAGED. AT FL410, OBSERVED A BUMP & SHUTTER APPEARING TO COME FROM NLG. RED GEAR UNLOCK ILLUM & REMAINED ON UNTIL MLG DOWN. ON POST FLT INSP FOUND RT NLG DOOR SHOWED EV
- [SDR DXTA2009072103733](https://openairdocs.org/sdr/DXTA2009072103733), Jul 20, 2009: POWER SUPPLY. FUMES. STRONG ACRID FUMES IN CABIN AREA AROUND SEAT NR 8, NO SMOKE NOTED. FOUND INOP INDIRECT POWER SUPPLY ABOVE SEAT NR 8. REPLACED POWER SUPPLY. OPS CHECK GOOD. WORK
- [SDR DXTA2009041303588](https://openairdocs.org/sdr/DXTA2009041303588), Apr 12, 2009: UNKNOWN. UNKNOWN. IN FLIGHT, NOTICED LACK OF RESPONSIVENESS OF FLIGHT CONTROLS FWD AND AFT. APPLIED HYDRAULIC POWER TO A AND B SYSTEMS. PERFORMED TRAVEL CHECKS. MEASURED LT ELEVA
- [SDR DXTA2009021303504](https://openairdocs.org/sdr/DXTA2009021303504), Feb 12, 2009: CONTROL MODULE. INOPERATIVE. PRIMARY TRIM INOP. REPLACED STAB ELECTRONIC CONTROL MODULE AND REPLACED WITH INSPECTED CONTROL MODULE MM 27-40-00. PERFORMED STABILIZER TRIM, PRIMARY AND SECOND
- [SDR DXTA200802741](https://openairdocs.org/sdr/DXTA200802741), Jan 3, 2008: ACTUATOR. INOPERATIVE. APPROX 5 TO 10 MINS AFTER T/O, CYAN FGC A FAIL LIGHT ILLUMINATED. REMOVED AND REPLACED BOTH NR 1 & 2 LINEAR ACTUATOR. WITH REPAIRED UNITS FROM HONEYWELL RS LV22
- [SDR DXTA200702491](https://openairdocs.org/sdr/DXTA200702491), Sep 21, 2007: SENSOR. OUT OF LIMITS. ON TAKEOFF, THE ACFT BEGAN TO SHIMMY AT 30 KNOTS AND BEGAN TO BECOME VIOLENT THROUGH 60 KNOTS. ABORTED T/O AT 75 KNOTS. AT 70 KNOTS THROUGH STOPPING, ACFT SHOOK
- [SDR DXTA200702129](https://openairdocs.org/sdr/DXTA200702129), Apr 22, 2007: WHEEL. VIBRATES. NOSE WHEEL VIBRATION ON TAKEOFF ROLL. YAW DAMP DISENGAGED. TAKEOFF ABORTED. [4-27-07] REMOVED AND REPLACED BOTH NOSE WHEEL ASSEMBLIES WITH OVERHAULED NOSE WHEEL
- [SDR DXTA200702080](https://openairdocs.org/sdr/DXTA200702080), Apr 4, 2007: LIGHT. ODOR. OVERHEAD LIGHTS IN LAV ARE INTERMITTENT. AFTER TURNING LIGHTS ON AND OFF SEVERAL TIMES A BURNING ODOR WAS NOTED. REMOVED RT AND LT OVERHEAD LIGHT PANELS IN LAV.
- [SDR DXTA200702019](https://openairdocs.org/sdr/DXTA200702019), Mar 13, 2007: CONTROLLER. MALFUNCTIONED. ENROUTE GOT WINDSHIELD HEAT INOP L CAS MESSAGE FOLLOWED BY STRONG SMOKE ODOR. REMOVED AND REPLACED LT WINDSHIELD TEMPERATURE CONTROLLER. IAW 750MM 30-41-00. OPS
- [SDR DXTA200601500](https://openairdocs.org/sdr/DXTA200601500), Jul 14, 2006: PDU. FAILED. FLAPS FAILED AT 5 DEG AND WOULD NOT RESET SLATS WORKED OK ON GROUND, FLAPS RESET 3 TIMES IN 2 SECS AND FLAPS WOULD GO UP. REMOVED AND REPLACED FLAP POWER DRIVE 
- [SDR DXTA200500725](https://openairdocs.org/sdr/DXTA200500725), May 13, 2005: CONTROL CABLE. OUT OF RIG. IN FLIGHT, WITH THE NOSE GEAR IN THE UP POSITION, THERE IS A BUMPING NOISE UNDER THE FLIGHT DECK. FOUND EMERGENCY NOSE GEAR CABLE OUT OF RIG. RE-RIGGED NOSE GEA
- [SDR DXTA200400484](https://openairdocs.org/sdr/DXTA200400484), Dec 18, 2004: LANDING GEAR. MALFUNCTIONED. DURING CRUISE FLIGHT AT FL390, THE NOSE WHEEL PARTIALLY EXTENDED AT MACH .90, RED UNLOCK LIGHT ILLUMINATED. ITEM IS UNDER INVESTIGATION.
- [SDR DXTA200400413](https://openairdocs.org/sdr/DXTA200400413), Oct 4, 2004: CIRCUIT BOARD. CONTAMINATED. DURING FLIGHT, NOTICED ELECTRICAL BURN ODOR IN THE COCKPIT, FOLLOWED BY DISCOVERY OF WATER SEEPING OUT FROM BEHIND RT CIRCUIT BREAKER PANEL, BELOW THE 3 APU CIR
- [SDR DXTA200300116](https://openairdocs.org/sdr/DXTA200300116), Sep 15, 2003: BLEED VALVE. MALFUNCTIONED. UPON CLEARED FOR TAKEOFF, ADVANCED THROTTLES AND THE RED CAS MESSAGE, ENGINE FAIL R APPEARED. ENGINE AUTO SHUTDOWN. EXCEEDS PAGE SHOWED IT WAS TRIGGERED BY R IT

## 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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