# N506QS: 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: 680A0043
- Year built: 2016
- Type: Fixed wing multi engine
- Engine type: Turbo-fan
- Airworthiness: Standard, transport
- Airworthiness date: August 23, 2016
- Certificate issued: February 22, 2025
- Expires: February 29, 2032
- Mode S code: A651A9
- Owner type: Co-owned, fractional ownership
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=506QS
- Page: https://openairdocs.org/aircraft/N506QS

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 N506QS.

## FAA accident and incident reports

None matched to N506QS.

## Reports on N506QS not matched to an aircraft (1)

They name N506QS, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft.

- [Incident 20050930021809I](https://openairdocs.org/incident/20050930021809I), Sep 30, 2005: Gulstm GV (N506QS), Great Falls, MT, Minor damage. (-23) On September 30, 2005, at 1841 MDT, a Gulfstream g-v, N506QS, registered to nji sales inc, landed at Great Falls International Airport in Great Falls,…

## Service difficulty reports (25)

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 DXTR2026050100314](https://openairdocs.org/sdr/DXTR2026050100314), May 1, 2026: SKIN. CORRODED. POSSIBLE CORROSION ON LOWER LT WING SKIN AT TIP CAP. REMOVED CORROSION FROM SKIN REF SRM 51-10-01. NDT SERVICES PROVIDED BY TOLEDO JET CENTER, CRS 2TJR420B ON W
- [SDR DXTA2025121606122](https://openairdocs.org/sdr/DXTA2025121606122), Dec 13, 2025: UPLOCK SWITCH. FAULTED. JUST OUTSIDE THE FINAL APPROACH FIX WE PUT LANDING GEAR INTO THE DOWN POSITION AND RECEIVED THE GEAR DISAGREE RIGHT CAS MESSAGE. WE WENT AROUND AROUND, UTILIZED
- [SDR 2025F00248](https://openairdocs.org/sdr/2025F00248), Oct 21, 2025: HOUSING. CORRODED. REPAIR CORROSION IN NLG HOUSING TUNNEL PER TEXTRON FIELD REPAIR FR-680A-0043-15554. REPAIRED CORROSION IN NLG HOUSING TUNNEL BY REPLACING PANELS PN: 7411212-3, 
- [SDR 2025F00247](https://openairdocs.org/sdr/2025F00247), Oct 21, 2025: THRUST REVERSER. CORRODED. DURING INSPECTION OF THE LH TR NOTED MULTIPLE SPOTS OF CORROSION ON THE INSIDE SIDES OF THE UPPER BUCKET. MECHANICALLY BLENDED 13 EA. AREAS OF CORROSION ON THE 
- [SDR 2025F00246](https://openairdocs.org/sdr/2025F00246), Oct 21, 2025: FITTING. CORRODED. WHILE PERFORMING TASK 57-10-00-222 FOUND THAT LH EMERGENCY BRAKE CARRY THROUGH CORRODED AROUND FITTING. DISCONNECTED EXISTING LT MLG EMERGENCY BRAKE PNEUMATIC L
- [SDR 2025F00187](https://openairdocs.org/sdr/2025F00187), Aug 11, 2025: THRUST REVERSER. FAULTED. DURING INSPECTION OF THE LH TR NOTED MULTIPLE SPOTS OF CORROSION ON THE INSIDE SIDES OF THE UPPER BUCKET. MECHANICALLY BLENDED 13 EA. AREAS OF CORROSION ON THE 
- [SDR 2025F00180](https://openairdocs.org/sdr/2025F00180), Aug 11, 2025: STRUCTURE. CORRODED. FOUND THAT LH EMERGENCY BRAKE CARRY THROUGH CORRODED AROUND FITTING ON RIB LOCATED AT W.S. 37.00. DISCONNECTED EXISTING LH MLG EMERGENCY BRAKE PNEUMATIC LINE AN
- [SDR DXTA2025052003544](https://openairdocs.org/sdr/DXTA2025052003544), May 18, 2025: UPLOCK SWITCH. DAMAGED. MLG: BLEW GEAR DOWN USING THE GEAR BLOWDOWN LOCATED IN THE FRONT. NO CHANGE IN GEAR INDICATION. HAD TO PULL THE MAIN GEAR LEVER IN THE BACK AS WELL. NO CHANGE I
- [SDR DXTA2024120201324](https://openairdocs.org/sdr/DXTA2024120201324), Nov 29, 2024: LIGHT. MALFUNCTIONED. FLOOR EMERG EXIT LIGHT: UNDER SEAT 5, EMER LIGHT DOES NOT ILLUMINATE WHEN LIGHT SWITCH IS IN THE ON POSITION. CORRECTIVE ACTION; REPLACED FLOOR EMERGENCY LIGHT.
- [SDR DXTA2024102800940](https://openairdocs.org/sdr/DXTA2024102800940), Oct 24, 2024: LIGHT. FOD. LAV EMERG LIGHT: LAVATORY EMERGENCY LIGHTING LOCATED AT THE TOE KICK, IS INOPERATIVE. CORRECTIVE ACTION; FOUND DEBRIS BUILD UP IN PLUG FOR EMERGENCY TOE KICK LI
- [SDR DXTA2023050985660](https://openairdocs.org/sdr/DXTA2023050985660), May 8, 2023: UNKNOWN. UNKNOWN. GROUND CREW REPORTED EMERGENCY LIGHT REMAINED ON AFTER AIRCRAFT WAS POWERED DOWN. ///SIGN-OFF/// FOUND G SWITCH TRIPPED ON #1 EMERGENCY BATTERY, RESET G SWITCH,
- [SDR DXTA2023022481140](https://openairdocs.org/sdr/DXTA2023022481140), Feb 23, 2023: NONE. NONE. MAIN DOOR: AMBER CABIN DOOR OPEN CAS ILLUMINATED ON TAKEOFF WHICH CAUSED A NO TAKEOFF WARNING. REJECTED THE TAKEOFF. ACCOMPLISHED THE CABIN DOOR OPEN PROCEDURE.
- [SDR DXTA2022090669820](https://openairdocs.org/sdr/DXTA2022090669820), Sep 6, 2022: NONE. NONE. EMERG EXIT SIGN/LIGHT: FORWARD - MAIN CABIN DOOR EXIT SIGN INOP. ALL OTHER LIGHTS ILLUMINATE WITH THE EMER LTS ARM SWITCH IN ON.
- [SDR DXTA2022062964970](https://openairdocs.org/sdr/DXTA2022062964970), Jun 29, 2022: BATTERY PACK. INOPERATIVE. MAIN EXIT SIGN/LIGHT: WHITE AND RED EMERGENCY EXIT SIGN OVER MAIN CABIN DOOR IS NOT ILLUMINATING WITH EMERGENCY LIGHT TEST. REPEAT WRITE UP. ON SHIPS POWER THE 
- [SDR DXTA2022060263130](https://openairdocs.org/sdr/DXTA2022060263130), Jun 2, 2022: NONE. NONE. CABIN EMERG LIGHT: WHITE AND RED EMERGENCY EXIT SIGN OVER MAN CABIN DOOR IS INOPERATIVE. (ALL OTHER EMER LIGHTS ARE OPERATIVE.)
- [SDR JGVR20220525004](https://openairdocs.org/sdr/JGVR20220525004), May 25, 2022: STRINGER. CORRODED. BLENDED AND TREATED CORRODED TAILCONE APU STINGER LH SIDE SKIN PER TEXTRON REPAIR MEMO.
- [SDR JGVR20220525003](https://openairdocs.org/sdr/JGVR20220525003), May 25, 2022: ANGLE. CORRODED. FOUND THE EXISTING LH AND RH TAILCONE STINGER RUDDER FAIRING ATTACHMENT ANGLES CORRODED BEYOND REPAIR, REPLACED WITH NEW TEXTRON P/N 6912630-67 AND P/N 6912630-
- [SDR JGVR20220525002](https://openairdocs.org/sdr/JGVR20220525002), May 25, 2022: STRINGER. CORRODED. FOUND THE RH SIDE SKIN OF THE TAILCONE STINGER CORRODED BEYOND REPAIR, REPLACED WITH NEW RH SIDE SKIN TEXTRON P/N 6912640-24 REFERENCING CESSNA 680A SRM 51-40-0
- [SDR JGVR20220525001](https://openairdocs.org/sdr/JGVR20220525001), May 25, 2022: STRINGER. CORRODED. FOUND RH TAILCONE STRINGER CORRODED BEYOND REPAIR, REPLACED WITH NEW TEXTRON P/N 6912640-24 REFERENCING CESSNA 680A SRM 51-40-05 AND SRM 51-40-13.
- [SDR DXTA2022040759840](https://openairdocs.org/sdr/DXTA2022040759840), Apr 6, 2022: NONE. NONE. MAIN EXIT SIGN/LIGHT: MAIN EXIT SIGN LIGHT, BOTH FLOOR EXIT SIGN LIGHTS ADJACENT TO THE MAIN DOOR, AND EMERGENCY EXIT LIGHT UNDER SEAT 10 ALL WILL NOT EXTINGUIS
- [SDR DXTA2022022857580](https://openairdocs.org/sdr/DXTA2022022857580), Feb 28, 2022: NOT REPORTED. NOT REPORTED. CABIN EMERG LIGHT: NO FORWARD CABIN EMERGENCY LIGHTING. BATTERIES CONNECTED EMER LIGHT SWITCH TO ON, FORWARD CABIN EMERGENCY LIGHTING FAILED TO ILLUMINATE.// CO
- [SDR DXTA2021121653640](https://openairdocs.org/sdr/DXTA2021121653640), Dec 15, 2021: NONE. NONE. EMERGENCY LIGHTING: EMER LIGHTS WILL NOT COME ON WHEN EMER LIGHT SWITCH SELECTED TO ARM WITHOUT MAIN DC POWER AVAILABLE. DURING PREFLIGHT, I SELECTED EMR LIGHT 
- [SDR DXTA2021051742050](https://openairdocs.org/sdr/DXTA2021051742050), May 15, 2021: SWITCH. FAILED. MAIN DOOR HANDLE: MAIN CABIN DOOR WILL NOT OPEN FROM INSIDE. RED MICRO-SWITCH BUTTON ON DOOR HANDLE IS DEAD. DOOR CLOSES PROPERLY AND OPENS NORMALLY FROM OUTSID
- [SDR DXTA2021032940070](https://openairdocs.org/sdr/DXTA2021032940070), Mar 26, 2021: CIRCUIT BOARD. DEFECTIVE. MAIN DOOR: DOOR WILL NOT CLOSE FROM INSIDE EVEN WITH CHECKLIST BYPASS PROCEDURE. CLOSED WITH EXTERIOR BYPASS //SIGN OFF // REMOVED INOP CED PCB AND INSTALLED NE
- [SDR 2020F00270](https://openairdocs.org/sdr/2020F00270), Jan 21, 2020: CAP. ERODED. RIGHT STABILIZER TIP CAP EROSION. ACCOMPLISHED ENGINEERING MEMO DQ24425RRL1 REV A DATED JANUARY 21, 2020; 680A-0043, N506QS, RIGHT STABILIZER TIP CAP EROSION.

## Service difficulty reports on N506QS not matched to an aircraft (6)

They name N506QS, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft.

- [SDR N93A04122007](https://openairdocs.org/sdr/N93A04122007), Dec 4, 2007: VALVE. FAULTY. NOSE LANDING GEAR DID NOT EXTEND NORMALLY AFTER GEAR WAS SELECTED DOWN, AFTER ABOUT 45 SECONDS GEAR EXTENDED NORMALLY, FOUND NOSE LANDING GEAR DOOR CONTROL VALV
- [SDR N93A04072007](https://openairdocs.org/sdr/N93A04072007), Jul 4, 2007: TILLER. UNKNOWN. NOSE STEERING INOPERATIVE.
- [SDR 62310032005](https://openairdocs.org/sdr/62310032005), Oct 3, 2005: RIB. DAMAGED. ON POST FLIGHT DAMAGE NOTED TO FAIRING ON OUTSIDE PORTION OF RIGHT STABILIZER LOWER SURFACE.
- [SDR 62309302005](https://openairdocs.org/sdr/62309302005), Sep 3, 2005: RIB. DAMAGED. ON POST FLIGHT DAMAGE NOTED TO FAIRING ON OUTSIDE PORTION OF RT STABILIZER LOWER SURFACE.
- [SDR 623456](https://openairdocs.org/sdr/623456), Nov 30, 2004: ACTUATOR. FAILED. AFTER LANDING, SELECTED FLAPS TO UP BUT DID NOT MOVE. FLAP / STAB FAIL MESSAGE, FLAP / STAB IND INOP MESSAGE.
- [SDR 623](https://openairdocs.org/sdr/623), Nov 30, 2004: ACTUATOR. MALFUNCTIONED. AFTER LANDING, SELECTED FLAPS TO UP BUT DID NOT MOVE. FLAP/STAB FAIL MESSAGE, FLAP/STAB IND INOP MESSAGE.

## 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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