# N512QS: 2016 Textron 680A

- Status: Valid registration
- Airframe: [Textron 680A](https://openairdocs.org/model/textron-680a) (registry code 2076814, 10 seats)
- Engine: [Pratt & Whitney Canada PW306D](https://openairdocs.org/engine/pratt-whitney-canada-pw306d) (registry code 52041)
- 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: 680A0045
- Year built: 2016
- Type: Fixed wing multi engine
- Engine type: Turbo-fan
- Airworthiness: Standard, transport
- Airworthiness date: September 17, 2016
- Certificate issued: July 6, 2026
- Expires: July 31, 2033
- Mode S code: A66A4C
- Owner type: Co-owned, fractional ownership
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=512QS
- Page: https://openairdocs.org/aircraft/N512QS

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 PW306D)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N512QS.

## FAA accident and incident reports

None matched to N512QS.

## Service difficulty reports (19)

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 DXTA2026090209498](https://openairdocs.org/sdr/DXTA2026090209498), Aug 31, 2026: SWITCH. FAULTED. CLIMBING THROUGH FLIGHT LEVEL 380 UP TO FLIGHT LEVEL 430 WE ENCOUNTERED SOME HEAVY VIBRATIONS COMING FROM THE NOSE SECTION FOR ABOUT 10 SECONDS. ABOUT FIVE MINU
- [SDR DXTA2026060408323](https://openairdocs.org/sdr/DXTA2026060408323), Jun 2, 2026: PCB. DEFECTIVE. TOP LOCKING PIN DOES NOT STOW FULLY. CAUSING ASSOCIATED CHECK DOOR CAS, AND CABIN DOOR OPEN CAS. REMOVED FWD PRINTED LH PCB NC105 PN:7468101-20 SN:33674927-3 DU
- [SDR DXTA2025090204764](https://openairdocs.org/sdr/DXTA2025090204764), Aug 30, 2025: WIRE. PULLED. LAV EMERGENCY TOE KICK LIGHT DOES NOT ILLUMINATE WITH ANY POWER SOURCE. REMOVED LAV FASCIA & FOUND THE WIRES FOR THE TOE KICK LIGHT PULLED OUT OF THE CONNECTOR.
- [SDR DXTA2025071004164](https://openairdocs.org/sdr/DXTA2025071004164), Jul 8, 2025: WARNING MESSAGE. FALSE INDICATION. RECIVED CHECK DOORS CAS. FOLLOW CHECK DOORS QRH AND CYCLED ALL DOORS ASSOCIATED ALSO COMPLETED POWER UP ANOMALY CHECKLIST. CAS REMAINS WITH THE MAIN CABIN DOOR 
- [SDR 2025FA0000387](https://openairdocs.org/sdr/2025FA0000387), Jun 5, 2025: CLOSEOUT PANEL. CORRODED. CORROSION UNDER LH AND RH AFT WING TO FUSELAGE FAIRING SUPPORT STRUCTURE
- [SDR DXTA2025040702985](https://openairdocs.org/sdr/DXTA2025040702985), Apr 7, 2025: ANTI-ICE SYSTEM. FAULTED. DURING CLIMB AROUND 14000' WE OBSERVED A/I ENGINE HOT R CAS MSG. WE RAN THE QRH PROCEDURE AND DECREASED RIGHT ENGINE POWER. THE MSG EXTINGUISHED. BUT THEN REOCC
- [SDR DXTA2024122701687](https://openairdocs.org/sdr/DXTA2024122701687), Dec 25, 2024: FUSE. BLOWN. DURING THE FIRST STEP OF THE POWER ON CHECKLIST, EMERGENCY LIGHTS DO NOT ILLUMINATE WITH THE SWITCH PLACED IN "ARM" (NO DC POWER ON). LIGHTS DO WORK IN THE "ON"
- [SDR DXTA2024121601517](https://openairdocs.org/sdr/DXTA2024121601517), Dec 13, 2024: BATTERY PACK. INOPERATIVE. EMER LIGHTS STILL ILLUMINATED IN ARM WTIH MAIN DC APPLIED. CYCLED TO COLD/ DARK AND RESET BUTTON, CONDITION STILL REMAINED. CORRECTIVE ACTION; CONFIRMED DISCREP
- [SDR DXTA2023111310027](https://openairdocs.org/sdr/DXTA2023111310027), Nov 11, 2023: UNKNOWN. INOPERATIVE. GEA FAIL 3 AMBER CAS: GEA FAIL 3 CAS MESSAGE ILLUMINATED DESCENDING THROUGH FL 240. REMOVED GEA 3 PN 011-02635-00 SN 2BY005258 AND INSTALLED CUSTOMER SUPPLIED R
- [SDR DXTA2023091495400](https://openairdocs.org/sdr/DXTA2023091495400), Sep 13, 2023: UNKNOWN. UNKNOWN. CABIN EMERG LIGHT: EMERGENCY LIGHT ABOVE SEAT 7 IS STUCK IN THE ON POSITION WHEN THE EMER LIGHT SWITCH IS IN ARM POSITION. LIGHT WILL NOT TURN OFF UNLESS EMER L
- [SDR DXTA2023032783230](https://openairdocs.org/sdr/DXTA2023032783230), Mar 27, 2023: UNKNOWN. UNKNOWN. LAV EMERG LIGHT: THE EVACUATION PATH LIGHT UNDER THE LAV SEAT WAS FLICKERING ON AND OFF, AND THEN EXTINGUISHED. TRACED BACK TO A WIRE PUSHED PIN IN THE WIRING H
- [SDR 2022F00229](https://openairdocs.org/sdr/2022F00229), May 16, 2022: ENGINE. CORRODED. RH ENGINE AGB AFT COVER IS CORRODING.
- [SDR 2022F00228](https://openairdocs.org/sdr/2022F00228), May 16, 2022: ENGINE. CORRODED. LH ENGINE AGB AFT COVER IS CORRODING.
- [SDR DXTA2021122754170](https://openairdocs.org/sdr/DXTA2021122754170), Dec 25, 2021: SWITCH PANEL. DEFECTIVE. LIFT BLACK BUTTON LOCATED IN THE CABIN WHICH FUNCTIONS TO CLOSE THE MAIN CABIN DOOR IS INTERMITTENT WHEN PRESSED TO LIFT THE DOOR. // SIGN OFF// GAINED ACCESS T
- [SDR DXTA2021111852140](https://openairdocs.org/sdr/DXTA2021111852140), Nov 17, 2021: PCB. DAMAGED. ACM BLD LEAK AMBER CAS: AT FLIGHT LEVEL 220, THE ACM BLEED LEAK QUICKLY FOLLOWED BY THE EMER PRESS CAS MESSAGES ILLUMINATED. WE COMPLETED THE ACM BLEED LEAK AND
- [SDR 2021FA0000257](https://openairdocs.org/sdr/2021FA0000257), Sep 8, 2021: SKIN. CORRODED. HORIZONTAL STABILIZER LOWER SKIN DAMAGE(CORROSION).
- [SDR 2021F00008](https://openairdocs.org/sdr/2021F00008), Jan 11, 2021: DOUBLER. CRACKED. CRACK DAMAGE, NOSE LANDING GEAR WHEEL WELL. ACCOMPLISHED TEXTRON AVIATION FIELD REPAIR SR-680A-ATA53-25890 REV- DATED 6/1/2020: STANDARD REPAIR-CRACK DAMAGE, NO
- [SDR DXTA2018110901653](https://openairdocs.org/sdr/DXTA2018110901653), Nov 9, 2018: FILTER. DIRTY. AFTER TAKEOFF, SMOKE APPEARED IN CABIN (LIGHT HAZE) AND ACRID SMELL. SUPPLEMENTAL INFORMATION: REMOVED AND REPLACED CABIN HEPA FILTER IAW CE680A MM 21-70-10. RE
- [SDR DXTA2016120900000](https://openairdocs.org/sdr/DXTA2016120900000), Dec 9, 2016: SHROUD. DETACHED. RIGHT WING AILERON TRAILING EDGE SHROUD FORWARD OF THE AILERON HAS BECOME DETACHED. THE SHROUD IS ATTACHED TO THE WING VIA 8 SCREWS. THE TRAILING EDGE WING STRU

## 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 PW306D engine: https://openairdocs.org/engine/pratt-whitney-canada-pw306d.md

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