# N956QS: 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: 680A0404
- Year built: 2024
- Type: Fixed wing multi engine
- Engine type: Turbo-fan
- Airworthiness: Standard, transport
- Airworthiness date: August 28, 2024
- Certificate issued: August 21, 2026
- Expires: August 31, 2033
- Mode S code: AD4C60
- Owner type: Co-owned, fractional ownership
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=956QS
- Page: https://openairdocs.org/aircraft/N956QS

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 N956QS.

## FAA accident and incident reports

None matched to N956QS.

## Service difficulty reports (1)

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 DXTA2026070608655](https://openairdocs.org/sdr/DXTA2026070608655), Jul 2, 2026: ACTUATOR. FAILED. DURING TAKEOFF & CRUISE, RETRIMED R WING DOWN CAS MSG CONSTANTLY DISPLAYED. RAN QRH BUT MSG WOULD NOT CLEAR. DISCONNECTED AUTOPILOT & PLANE ROLLED LEFT. AFTER A

## Service difficulty reports on N956QS not matched to an aircraft (26)

They name N956QS, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft.

- [SDR DXTA2016042206228](https://openairdocs.org/sdr/DXTA2016042206228), Apr 22, 2016: SKIN. CORRODED. CORROSION WAS FOUND ON THE EDGE OF THE PANEL LAND AT PANEL 642AB ON THE PN 6722146-2, RT WING LOWER SKIN. CWS 268.05-288.4. ACCOMPLISHED CORROSION REMOVAL ON RT
- [SDR DXTA2016040806229](https://openairdocs.org/sdr/DXTA2016040806229), Apr 8, 2016: FIREWALL. CRACKED. APU FIREWALL CRACKED UNDER LT UPPER TRUSS MOUNT ATA 51. REPAIRED IAW REPAIR DEFINITION S-750-0156 23PRD & SRM 51-40-03. DOUBLER & 6712625-15-2 FILLER WAS FABRIC
- [SDR DXTA2014082005860](https://openairdocs.org/sdr/DXTA2014082005860), Aug 15, 2014: SKIN. CORRODED. LEFT & RIGHT WING FUEL BAY PANELS LAND HAS CORROSION ON UPPER SURFACE OF LOWER SKIN. VERIFIED CORROSION REMOVAL IAW 750 NONDESTRUCTIVE TESTING MANUAL PART 6 CHA
- [SDR DXTA2013111405565](https://openairdocs.org/sdr/DXTA2013111405565), Nov 13, 2013: ACM. FAILED. ON A SHORT FLIGHT, SMELLED OILY DIRTY SOCK ODOR. REMOVED COCKPIT ACM IAW AMM 21-51-00. PRE-LUBED REPAIRED COCKPIT ACM IAW MM 12-10-01. INSTALLED COCKPIT ACM, IA
- [SDR DXTA2013080605470](https://openairdocs.org/sdr/DXTA2013080605470), Aug 5, 2013: ACM. FAILED. AFTER STARTUP AND BEFORE TAXI, COCKPIT AND CABIN BEGAN TO FILL WITH OILY SMOKE. INSPECTED A/C SYS AND DETERMINED AFT ACM WAS FAULTY. R & R AFT ACM, SERVICED UNI
- [SDR DXTA2013012205255](https://openairdocs.org/sdr/DXTA2013012205255), Jan 21, 2013: LIGHT. ODOR. ELECTRICAL ODOR IN LAVATORY AREA, UNABLE TO ISOLATE CAUSE OF ODOR. TROUBLESHOT TO LAVATORY ACCENT LIGHT, BURNED PLASTIC COVER & LIGHT BULB CAUSING ELECTRICAL BU
- [SDR DXTA2012010504839](https://openairdocs.org/sdr/DXTA2012010504839), Jan 4, 2012: UNKNOWN. ODOR. CABIN & COCKPIT ACM PRODUCING SOUR ODOR. R & R COCKPIT PACK IAW MM 21-51-00. OPS AND LEAK CHECKED GOOD. R & R COALESCER BAG IAW MM 12-10-01-160 OPS & LEAK CHECK
- [SDR DXTA200811243372](https://openairdocs.org/sdr/DXTA200811243372), Nov 24, 2008: APU. FAILED. PREFLIGHT CABIN PAC HAS STRONG VERY STRONG, DIRTY SOCK/OIL ODOR WHEN APU RUNNING. RAN APU CABIN AND COCKPIT BOTH HAD A ODOR OF DIRTY SOCKS ESPECIALLY CABIN , (A
- [SDR DXTA2008112503372](https://openairdocs.org/sdr/DXTA2008112503372), Nov 24, 2008: A/C PACK. ODOR. PREFLIGHT CABIN PAC HAS STRONG VERY STRONG, DIRTY SOCK/OIL ODOR WHEN APU RUNNING.
- [SDR DXTA20082869](https://openairdocs.org/sdr/DXTA20082869), Feb 12, 2008: WINDSHIELD. FRACTURED. PILOTS WINDOW STARTED ARCING THEN SHATTERED IN FLIGHT THROUGH FL400. REMOVED AND REPLACED PILOTS WINDSHIELD, OPERATIONALLY AND LEAK CHECKS GOOD IAW MM 56-11-00.
- [SDR DXTA200802802](https://openairdocs.org/sdr/DXTA200802802), Jan 27, 2008: SEAL. CONTAMINATED. MAIN ENTRANCE DOOR HANDLE WILL NOT OPEN THE MAIN ENTRANCE DOOR FROM THE INSIDE, PASSENGERS AND CREW EXITED AIRCRAFT THROUGH EMERGENCY EXIT (M2B). FOUND WATER IN
- [SDR DXTA200702601](https://openairdocs.org/sdr/DXTA200702601), Nov 6, 2007: COALESCER BAG. DIRTY. VERY STRONG PUNGENT ODOR COMMING FROM THE AIR CONDITION SYSTEM. REMOVED & CLEANED WATER SOCKS. INSTALLED WATER SOCKS AND LEAK CHECK. OPS CHECKED. WORK DONE IAW 
- [SDR DXTA200702355](https://openairdocs.org/sdr/DXTA200702355), Jul 21, 2007: OIL SYSTEM. MALFUNCTIONED. ON THE TAKEOFF ROLL WITH POWER (N1) INCREASING THROUGH 86 PERCENT OIL PRESSURE ON THE LT ENGINE ROSE TO 120 PSI AND STAYED THERE. AFTER REJECTING TAKEOFF THE EN
- [SDR DXTA200702118](https://openairdocs.org/sdr/DXTA200702118), Apr 18, 2007: LIMITER. MALFUNCTIONED. (RUDDER LIMIT FAIL A) AMBER CAS MESSAGE IN CRUISE WITH AUTOPILOT ON. FAILED AT 21 PERCENT. REPLACED A & B SYSTEM RUDDER LIMITERS IAW CESSNA 750 MM 27-23-00. OPE
- [SDR DXTA200601727](https://openairdocs.org/sdr/DXTA200601727), Nov 14, 2006: INSULATION. BURNED. STARTED BOTH ENGINES, COCKPIT FLOOD LIGHTS ON. READY TO TAXI. COCKPIT FLOOD LIGHTS GO OUT ON THEIR OWN, STRONG ELECTRICAL BURNING ODOR IN COCKPIT. SHUT AIRCRAFT
- [SDR DXTA200601490](https://openairdocs.org/sdr/DXTA200601490), Jul 10, 2006: ODOR. DETECTED. DISTINCTIVE OIL ODOR ISOLATED TO COCKPIT PACK AIRFLOW FROM COCKPIT PACK VERY WEAK. RAN APU, NO ODOR NOTED FROM EITHER PACK AND AIRFLOW WAS NORMAL FROM BOTH PACK
- [SDR DXTA200601353](https://openairdocs.org/sdr/DXTA200601353), Apr 20, 2006: HOSE. LEAKING. DURING FLIGHT (HYDRAULIC VOLUME LOW B) CAS MESSAGE CAME ON. VOLUME INDICATED 16 PERCENT. SYSTEM UNLOADED IAW CHECKLIST, UNEVENTFUL LANDING. - FOUND RT ELEVATOR 
- [SDR DXTA200601221](https://openairdocs.org/sdr/DXTA200601221), Jan 27, 2006: BULB. BURNED OUT. ACCOMPLISHED ABNORMAL CHECK LIST PROCEDURES FOR POSSIBLE GEAR NOT EXTENDED. GEAR BLOW HANDLE WAS PULLED PER CHECK LIST. REPLACED LT MLG DOWN AND LOCKED INDICATO
- [SDR DXTA200601210](https://openairdocs.org/sdr/DXTA200601210), Jan 22, 2006: WARNING LIGHT. MALFUNCTIONED. AFTER TAKEOFF, RETRACTED THE GEAR, BUT THE RED UNLOCK LIGHT WOULD NOT GO OUT. AT 2000 FT THE NOSE GEAR LIGHT ILLUMINATED (THE MAINS STAYED PUT) AT 3000 FT ALL L
- [SDR DXTA200501153](https://openairdocs.org/sdr/DXTA200501153), Dec 21, 2005: ODOR. DETECTED. SMELLED BURNING RUBBER IN THE COCKPIT AT 14,000 FEET. SMELL DIMINISHED WITH POWER REDUCTION. APU WAS RUNNING. NO SMELL ON GROUND WITH APU RUNNING AND ENGINE OFF
- [SDR DXTA200501038](https://openairdocs.org/sdr/DXTA200501038), Oct 27, 2005: FLOAT VALVE. FAILED. IN FLIGHT ,WING TANK OFULL R AMBER CAS MESSAGE ILLUMINATED AT FL290 SHORTLY AFTER LEVELING OFF. THE APPROPIATE CHECKLIST WAS COMPLETED FUEL VENTED OUT OF R WING
- [SDR DXTA200501034](https://openairdocs.org/sdr/DXTA200501034), Oct 21, 2005: ACM. FAILED. STRONG ODOR LIKE OIL BURNING COMING FROM PACKS IRRITATING EYES AND SHORTNESS OF BREATHING. REMOVED COCKPIT ACM/COMP TURBO. CLEANED SECONDARY HEAT EXCHANGER. INS
- [SDR DXTA200500880](https://openairdocs.org/sdr/DXTA200500880), Aug 3, 2005: ODOR. DETECTED. OILY SMELL COMING FROM COCKPIT PAC, MORE SO DURING DESCENT. IT GOT SO BAD, SHUT OFF THE COCKPIT PAC DURING DESCENT INTO SFO, AND THE SMELL WENT AWAY.
- [SDR DXTA200500829](https://openairdocs.org/sdr/DXTA200500829), Jul 8, 2005: COOLING TURBINE. FAILED. SMOKE BURNT OIL SMELL COMING FROM ENVIRONMENTAL SYSTEM. WORSE ON DESCENT. REMOVED AND REPLACED FAILED ACM TURBINE. OPERATIONAL CHECK GOOD IAW CE-750 M/M CH 21-5
- [SDR DXTA200400310](https://openairdocs.org/sdr/DXTA200400310), May 11, 2004: PROXIMITY SENSOR. STUCK. DURING GEAR RETRACTION THE RIGHT MAIN STAYED GREEN, DURING RETRACTING GEAR THE RED UNSAFE LIGHT STAYED ON FOR A FEW SECONDS WHILE THE NOSE AND LEFT MAIN RETRACT
- [SDR DXTA200300207](https://openairdocs.org/sdr/DXTA200300207), Dec 21, 2003: STRUT. DISCHARGED. AFTER TAKE-OFF ATTEMPTED TO RETRACT GEARS AND FOUND LANDING GEAR HANDLE WOULD NOT GO UP. ACCOMPLISHED AIR TURN BACK. FOUND NOSE STRUT NITROGEN PRESSURE LOW, NOT

## 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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