# N593QS: 2018 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: 680A0145
- Year built: 2018
- Type: Fixed wing multi engine
- Engine type: Turbo-fan
- Airworthiness: Standard, transport
- Airworthiness date: July 23, 2018
- Certificate issued: February 12, 2026
- Expires: February 28, 2033
- Mode S code: A7A9FB
- Owner type: Co-owned
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=593QS
- Page: https://openairdocs.org/aircraft/N593QS

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 N593QS.

## FAA accident and incident reports

None matched to N593QS.

## 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 DXTA2026081409250](https://openairdocs.org/sdr/DXTA2026081409250), Aug 11, 2026: PCB. FAULTY. WHILE CRUISING AT 43,000 FT WE ENCOUNTERED LIGHT TURBULENCE/MODERATE CHOP. AFTER IT STOPPED, RECEIVED AMBER CAS MESSAGE CABIN DOOR OPEN. ACCOMPLISHED RESPECTIVE
- [SDR DXTA2026041407623](https://openairdocs.org/sdr/DXTA2026041407623), Apr 12, 2026: DOOR SEAL. DEFECTIVE. WHILE ON DESCENT AT APPROXIMATELY 5000', 250 KIAS, AND A CABIN DIF OF 2.4, AN AUDIBLE HUM/WHISTLING COULD BE HEARD FROM THE CABIN DOOR. IT SEEMS TO HAVE GOTTEN 
- [SDR DXTA2025061203819](https://openairdocs.org/sdr/DXTA2025061203819), Jun 8, 2025: STRUCTURE. MECHANIC ERROR. DURING DOWN-JACKING, THE TAIL STAND WAS LEFT IN PLACE CAUSING DAMAGE TO THE AIRCRAFT REMOVED DAMAGED AFT CANTED BULKHEAD & REPLACED WITH NEW CANTED BULKHEAD IAW
- [SDR 2025FA0000072](https://openairdocs.org/sdr/2025FA0000072), Jan 30, 2025: PANEL. CORRODED. TOILET SEAT PANEL CORRODED
- [SDR DXTA2024081300163](https://openairdocs.org/sdr/DXTA2024081300163), Aug 9, 2024: BATTERY. FAILED. EMERGENCY LIGHTING: EMER LIGHTS ASSOCIATED WITH THE #3 BATTERY PACK FAIL TO ILLUMINATE DURING TEST FOLLOWING 30MINS OF CHARGING PER QRH PROCEDURE TAB AB6 REMOVE
- [SDR DXTA2024072900020](https://openairdocs.org/sdr/DXTA2024072900020), Jul 26, 2024: LIGHT. INOPERATIVE. EMERGENCY TOE KICK LIGHT UNDER SEAT 3 IS INOP. EMERGENCY READING LIGHT ABOVE SEAT 3 IS INOP. BOTH LIGHTS ARE ASSOCIATED WITH THE NUMBER TWO BATTERY PACK. GOT TO
- [SDR DXTA2024071912391](https://openairdocs.org/sdr/DXTA2024071912391), Jul 18, 2024: PIN. BINDING. DOOR DIFFICULT TO OPEN AND CLOSE. BOTTOM AFT PIN REMAINS EXTENDED OUT OF HOLE WHEN DOOR IS OPENED, WILL NOT FULLY RETRACT INTO HOLE. HAD DOOR OPEN LIGHT & CHECK
- [SDR DXTA2024040211382](https://openairdocs.org/sdr/DXTA2024040211382), Apr 2, 2024: BATTERY. FAULTED. UPON PREFLIGHT WHILE CONDUCTING EMERGENCY LIGHT TEST FOUND EXIT SIGNS FLANKING MAIN CABIN DOOR NOT ILLUMINATED WHEN SWITCH PLACED IN ON. WHEN SWITCH PLACED IN A
- [SDR DXTA2024013010753](https://openairdocs.org/sdr/DXTA2024013010753), Jan 29, 2024: GENERATOR. DEFECTIVE. ON TAXI OUT RECEIVED DC GEN OFF L AMBER CAS MESSAGE. RAN QRH, AND MESSAGE CLEARED. APPROXIMATELY 10 MINUTES LATER, STILL TAXING, THE MESSAGE RETURNED. RAN THE Q
- [SDR DXTA2023071190730](https://openairdocs.org/sdr/DXTA2023071190730), Jul 10, 2023: MOTOR. DEFECTIVE. CABIN DOOR OPEN AMBER CAS: DURING INITIAL CLIMB OUT, CHECK DOORS CAS AND CABIN DOOR OPEN CAS ILLUMINATED SIMULTANEOUSLY. THE LIGHTS REMAINED ON, AND AFTER SHUTD
- [SDR DXTA2023071090610](https://openairdocs.org/sdr/DXTA2023071090610), Jul 8, 2023: UNKNOWN. UNKNOWN. MAIN DOOR: DURING CLIMB OUT AMBER CABIN DOOR OPEN AND CHECK DOORS CAS CAME ON. COMPLETED CHECKLIST AND RETURNED TO DEPARTURE AIRPORT. AMBER DOOR WARNING LIGHT O
- [SDR DXTA2022081567950](https://openairdocs.org/sdr/DXTA2022081567950), Aug 13, 2022: PCB. DEFECTIVE. CABIN DOOR OPEN AMBER CAS: CABIN DOOR OPEN AND CHECK DOORS EICAS MESSAGE. PERFORMED CHECK LIST AND MESSAGE CLEARED. THIS HAPPENED SEVERAL TIMES.//CORRECTIVE ACT
- [SDR DXTA2021120352900](https://openairdocs.org/sdr/DXTA2021120352900), Dec 2, 2021: NONE. NONE. EMERGENCY LIGHTING: WITH EMERGENCY LIGHT SWITCH OFF AND AIRCRAFT DEPOWERED. THE EMERGENCY LIGHTS OVER THE MAIN CABIN DOOR (WHITE EXIT SIGN), 2 RED LIGHTS AT THE
- [SDR 2021FA0000213](https://openairdocs.org/sdr/2021FA0000213), Jul 20, 2021: COWLING. DELAMINATED. LH ENGINE UPPER COWLING IS DELAMINATED FROM B/A LEAKS. TEXTRON AVIATION STRUCTURES ENGINEERING DOCUMENT DQ30702M1 DATED JULY 16, 2021.
- [SDR 2021F00192](https://openairdocs.org/sdr/2021F00192), Jul 18, 2021: COVER. CORRODED. CORROSION ON THE REAR COVER OF THE ACCESSORY GEAR BOX.
- [SDR 2021F00191](https://openairdocs.org/sdr/2021F00191), Jul 18, 2021: COVER. CORRODED. CORROSION ON THE REAR COVER OF THE ACCESSORY GEAR BOX.
- [SDR 2021F00026](https://openairdocs.org/sdr/2021F00026), Feb 10, 2021: DOUBLER. CRACKED. CRACK DAMAGE, NOSE LANDING GEAR WHEEL WELL (NWW), FRAME, WEB, AND DOUBLERS, FS 75. ACCOMPLISHED TEXTRON AVIATION FIELD REPAIR SR-680A-ATA53-25890 REV- DATED JUN
- [SDR 2021F00024](https://openairdocs.org/sdr/2021F00024), Feb 9, 2021: SKIN. CHAFED. LOWER SKIN CHAFE FROM ANTI-ICE CROSS-FLOW VALVE. ACCOMPLISHED TEXTRON AVIATION STANDARD REPAIR SR-680A-ATA53-22175 REV - DATED 7/19/2019; STANDARD REPAIR - 680A
- [SDR DXTA2021020104667](https://openairdocs.org/sdr/DXTA2021020104667), Jan 31, 2021: I/O MODULE. DEFECTIVE. WHILE IN CRUISE AT FLIGHT LEVEL 40000 THE ICAS CABIN PRESSURIZATION FAULT DISPLAYED. WENT TO MANUAL AS PER THE CHECK LIST AND THE CABIN ALTITUDE WAS UNCONTROLLA

## 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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