# N821SK: 2007 Bombardier CL-600-2D24 - Status: Valid registration - Airframe: [Bombardier CL-600-2D24](https://openairdocs.org/model/bombardier-cl-600-2d24) (registry code 1390016, 95 seats) - Engine: [GE CF34-8C5](https://openairdocs.org/engine/ge-cf34-8c5) (registry code 30050) - Data sheets: [TCDS A21EA-1](https://openairdocs.org/tcds/A21EA-1) (MHI RJ Aviation ULC), [TCDS E00063EN](https://openairdocs.org/tcds/E00063EN) (General Electric Company GE Aerospace) (OpenAirDocs) - Serial number: 15109 - Year built: 2007 - Type: Fixed wing multi engine - Engine type: Turbo-fan - Airworthiness: Standard, transport - Airworthiness date: April 17, 2007 - Certificate issued: April 17, 2007 - Expires: January 31, 2030 - Mode S code: AB362C - Registered owner: [Skywest Airlines Inc](https://openairdocs.org/faa-owner/SKYWEST%20AIRLINES%20INC) - Location: [St George, UT](https://openairdocs.org/faa-place/UT/St%20George) - Owner type: Corporation - Owner's area on the map: 37.0461° N, 113.5573° W: Placed by OpenAirDocs at the center of ZIP code 84790, within about 4 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=821SK - Page: https://openairdocs.org/aircraft/N821SK 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): 130 in force ### Matched by airframe (Bombardier CL-600-2D24) - [AD 2026-15-16](https://openairdocs.org/ad/2026-15-16): Time Limits/Maintenance Checks · MHI RJ Aviation ULC CL-600-2C10 (Regional Jet Series 700), CL-600-2C10 (Regional Jet Series 701), CL-600-2C10 (Regional Jet Series 702) and 3 more. Effective Sep 3, 2026 - [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 2026-08-02](https://openairdocs.org/ad/2026-08-02): Stabilizers · MHI RJ Aviation ULC CL-600-2C10 (Regional Jet Series 700), CL-600-2C10 (Regional Jet Series 701), CL-600-2C10 (Regional Jet Series 702) and 4 more. Effective May 26, 2026 - [AD 2026-05-05](https://openairdocs.org/ad/2026-05-05): Flight controls · MHI RJ Aviation ULC CL-600-2B19 (Regional Jet Series 100), CL-600-2B19 (Regional Jet Series 440), CL-600-2C10 (Regional Jet Series 700) and 6 more. Effective Mar 23, 2026 - [AD 2026-02-03](https://openairdocs.org/ad/2026-02-03): Flight control · MHI RJ Aviation ULC CL-600-2B19 (Regional Jet Series 100), CL-600-2B19 (Regional Jet Series 440), CL-600-2C10 (Regional Jet Series 700) and 6 more. Effective Feb 5, 2026 - [AD 2025-25-03](https://openairdocs.org/ad/2025-25-03): Time Limits/Maintenance Checks · MHI RJ Aviation ULC CL-600-2C10 (Regional Jet Series 700), CL-600-2C10 (Regional Jet Series 701), CL-600-2C10 (Regional Jet Series 702) and 4 more. Effective Jan 16, 2026 - [AD 2025-13-04](https://openairdocs.org/ad/2025-13-04): Flight Controls · MHI RJ Aviation ULC CL-600-2C10 (Regional Jet Series 700), CL-600-2C10 (Regional Jet Series 701), CL-600-2C10 (Regional Jet Series 702) and 4 more. Effective Aug 5, 2025 - [AD 2025-11-11](https://openairdocs.org/ad/2025-11-11): Time Limits/Maintenance Checks · MHI RJ Aviation ULC CL-600-2C10 (Regional Jet Series 700), CL-600-2C10 (Regional Jet Series 701), CL-600-2C10 (Regional Jet Series 702) and 4 more. Effective Jul 15, 2025 - [AD 2025-09-09](https://openairdocs.org/ad/2025-09-09): Communications · MHI RJ Aviation ULC CL-600-2C10 (Regional Jet Series 700), CL-600-2C10 (Regional Jet Series 701), CL-600-2C10 (Regional Jet Series 702) and 4 more. Effective Jun 18, 2025 - [AD 2025-04-08](https://openairdocs.org/ad/2025-04-08): Navigation · MHI RJ Aviation ULC CL-600-2B19 (Regional Jet Series 100), CL-600-2B19 (Regional Jet Series 440), CL-600-2C10 (Regional Jet Series 700) and 6 more. Effective Apr 25, 2025 - [AD 2024-16-08](https://openairdocs.org/ad/2024-16-08): Equipment/furnishings · MHI RJ Aviation ULC CL-600-2C10 (Regional Jet Series 700), CL-600-2C10 (Regional Jet Series 701), CL-600-2C10 (Regional Jet Series 702) and 2 more. Effective Oct 23, 2024 - [AD 2024-14-01](https://openairdocs.org/ad/2024-14-01): Oxygen · MHI RJ Aviation ULC CL-600-2D15 (Regional Jet Series 705) and CL-600-2D24 (Regional Jet Series 900). Effective Sep 25, 2024 - [AD 2024-13-07](https://openairdocs.org/ad/2024-13-07): Electrical power · MHI RJ Aviation ULC CL-600-2D15 (Regional Jet Series 705) and CL-600-2D24 (Regional Jet Series 900). Effective Sep 25, 2024 - [AD 2024-07-08](https://openairdocs.org/ad/2024-07-08): Fuselage · MHI RJ Aviation ULC CL-600-2C10 (Regional Jet Series 700), CL-600-2C10 (Regional Jet Series 701), CL-600-2C10 (Regional Jet Series 702) and 3 more. Effective Jun 5, 2024 - [AD 2024-03-02](https://openairdocs.org/ad/2024-03-02): Time Limits/Maintenance Checks · MHI RJ Aviation ULC CL-600-2C10 (Regional Jet Series 700), CL-600-2C10 (Regional Jet Series 701), CL-600-2C10 (Regional Jet Series 702) and 4 more. Effective Apr 9, 2024 - [AD 2023-25-01](https://openairdocs.org/ad/2023-25-01): Equipment/Furnishings · MHI RJ Aviation ULC CL-600-2C10 (Regional Jet Series 700), CL-600-2C10 (Regional Jet Series 701), CL-600-2C10 (Regional Jet Series 702) and 4 more. Effective Feb 6, 2024 - [AD 2023-24-03](https://openairdocs.org/ad/2023-24-03): Fire Protection · MHI RJ Aviation ULC CL-600-2B19 (Regional Jet Series 100), CL-600-2B19 (Regional Jet Series 440), CL-600-2C10 (Regional Jet Series 700) and 6 more. Effective Jan 22, 2024 - [AD 2023-19-08](https://openairdocs.org/ad/2023-19-08): Fire Protection · MHI RJ Aviation ULC CL-600-2C10 (Regional Jet Series 700), CL-600-2C10 (Regional Jet Series 701), CL-600-2C10 (Regional Jet Series 702) and 4 more. Effective Nov 9, 2023 - [AD 2023-10-03](https://openairdocs.org/ad/2023-10-03): Fire Protection · MHI RJ Aviation ULC CL-600-2C10 (Regional Jet Series 700), CL-600-2C10 (Regional Jet Series 701), CL-600-2C10 (Regional Jet Series 702) and 4 more. Effective Jul 11, 2023 - [AD 2023-09-02](https://openairdocs.org/ad/2023-09-02): Fire Protection · MHI RJ Aviation ULC CL-600-2B19 (Regional Jet Series 100), CL-600-2B19 (Regional Jet Series 440), CL-600-2C10 (Regional Jet Series 700) and 6 more. Effective Jun 26, 2023 - [AD 2023-07-07](https://openairdocs.org/ad/2023-07-07): Pneumatic · MHI RJ Aviation ULC CL-600-2B19 (Regional Jet Series 100), CL-600-2B19 (Regional Jet Series 440), CL-600-2C10 (Regional Jet Series 700) and 6 more. Effective Jun 20, 2023 - [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 2023-06-06](https://openairdocs.org/ad/2023-06-06): Air conditioning · MHI RJ Aviation ULC CL-600-2C10 (Regional Jet Series 700), CL-600-2C10 (Regional Jet Series 701), CL-600-2C10 (Regional Jet Series 702) and 4 more. Effective Apr 28, 2023 - [AD 2022-20-03](https://openairdocs.org/ad/2022-20-03): Oxygen · MHI RJ Aviation ULC CL-600-2C11 (Regional Jet Series 550), CL-600-2C10 (Regional Jet Series 702), CL-600-2C10 (Regional Jet Series 701) and 4 more. Effective Apr 14, 2023 - [AD 2022-24-10](https://openairdocs.org/ad/2022-24-10): Fire protection · MHI RJ Aviation ULC CL-600-2C10 (Regional Jet Series 700), CL-600-2C10 (Regional Jet Series 701), CL-600-2C10 (Regional Jet Series 702) and 4 more. Effective Jan 18, 2023 - [AD 2022-21-10](https://openairdocs.org/ad/2022-21-10): Landing gear · MHI RJ Aviation ULC CL-600-2C10 (Regional Jet Series 700), CL-600-2C10 (Regional Jet Series 701), CL-600-2C10 (Regional Jet Series 702) and 4 more. Effective Dec 21, 2022 - [AD 2022-18-15](https://openairdocs.org/ad/2022-18-15): Fuel · MHI RJ Aviation ULC CL-600-2B19 (Regional Jet Series 100), CL-600-2B19 (Regional Jet Series 440), CL-600-2C10 (Regional Jet Series 700) and 6 more. Effective Nov 25, 2022 - [AD 2022-12-03](https://openairdocs.org/ad/2022-12-03): Navigation System · MHI RJ Aviation ULC CL-600-2B19 (Regional Jet Series 100), CL-600-2B19 (Regional Jet Series 440), CL-600-2C10 (Regional Jet Series 700) and 6 more. Effective Nov 3, 2022 - [AD 2022-18-17](https://openairdocs.org/ad/2022-18-17): Wings · MHI RJ Aviation ULC CL-600-2D24 (Regional Jet Series 900). Effective Oct 11, 2022 - [AD 2022-13-02](https://openairdocs.org/ad/2022-13-02): Fuel system · MHI RJ Aviation ULC CL-600-2C10 (Regional Jet Series 700), CL-600-2C10 (Regional Jet Series 701), CL-600-2C10 (Regional Jet Series 702) and 4 more. Effective Aug 31, 2022 - [AD 2021-22-24](https://openairdocs.org/ad/2021-22-24): Periodic Inspections · MHI RJ Aviation ULC CL-600-2C10 (Regional Jet Series 700), CL-600-2C10 (Regional Jet Series 701), CL-600-2C10 (Regional Jet Series 702) and 4 more. Effective Dec 29, 2021 - [AD 2021-19-12](https://openairdocs.org/ad/2021-19-12): Landing Gear · MHI RJ Aviation ULC CL-600-2C10 (Regional Jet Series 700), CL-600-2C10 (Regional Jet Series 701), CL-600-2C10 (Regional Jet Series 702) and 4 more. Effective Nov 10, 2021 - [AD 2021-13-11](https://openairdocs.org/ad/2021-13-11): Fuselage · MHI RJ Aviation ULC CL-600-2D15 (Regional Jet Series 705) and CL-600-2D24 (Regional Jet Series 900). Effective Sep 3, 2021 - [AD 2021-11-02](https://openairdocs.org/ad/2021-11-02): Auto Flight · MHI RJ Aviation ULC CL-600-2B19 (Regional Jet Series 100), CL-600-2B19 (Regional Jet Series 440), CL-600-2C10 (Regional Jet Series 700) and 6 more. Effective Jul 13, 2021 - [AD 2021-08-03](https://openairdocs.org/ad/2021-08-03): Rain and Ice Protection · MHI RJ Aviation ULC CL-600-2C10 (Regional Jet Series 700), CL-600-2C10 (Regional Jet Series 701), CL-600-2C10 (Regional Jet Series 702) and 4 more. Effective May 25, 2021 - [AD 2021-07-10](https://openairdocs.org/ad/2021-07-10): Ice and Rain Protection · MHI RJ Aviation ULC CL-600-2C10 (Regional Jet Series 700), CL-600-2C10 (Regional Jet Series 701), CL-600-2C10 (Regional Jet Series 702) and 2 more. Effective May 12, 2021 - [AD 2020-17-15](https://openairdocs.org/ad/2020-17-15): Navigation · MHI RJ Aviation ULC CL-600-2B19 (Regional Jet Series 100), CL-600-2B19 (Regional Jet Series 440), CL-600-2C10 (Regional Jet Series 700) and 6 more. Effective Nov 3, 2020 - [AD 2020-08-13](https://openairdocs.org/ad/2020-08-13): Flight controls · Bombardier CL-600-2B19 (Regional Jet Series 100), CL-600-2B19 (Regional Jet Series 440), CL-600-2C10 (Regional Jet Series 700) and 5 more. Effective Jun 10, 2020 - [AD 2020-03-17](https://openairdocs.org/ad/2020-03-17): Equipment/Furnishings · Bombardier CL-600-2B19 (Regional Jet Series 100), CL-600-2B19 (Regional Jet Series 440), CL-600-2C10 (Regional Jet Series 700) and 5 more. Effective Apr 2, 2020 - [AD 2019-26-10](https://openairdocs.org/ad/2019-26-10): Equipment/furnishings · Bombardier CL-600-2C10 (Regional Jet Series 700), CL-600-2C10 (Regional Jet Series 701), CL-600-2C10 (Regional Jet Series 702) and 3 more. Effective Mar 19, 2020 - [AD 2019-19-08](https://openairdocs.org/ad/2019-19-08): Flight controls · Bombardier CL-600-2B19 (Regional Jet Series 100), CL-600-2B19 (Regional Jet Series 440), CL-600-2C10 (Regional Jet Series 700) and 5 more. Effective Dec 17, 2019 - [AD 2019-17-07](https://openairdocs.org/ad/2019-17-07): Oxygen · Bombardier CL-600-2B19 (Regional Jet Series 100), CL-600-2B19 (Regional Jet Series 440), CL-600-2C10 (Regional Jet Series 700) and 6 more. Effective Oct 17, 2019 - [AD 2019-12-08](https://openairdocs.org/ad/2019-12-08): Fuselage · Bombardier CL-600-2D15 (Regional Jet Series 705), CL-600-2D24 (Regional Jet Series 900) and CL-600-2E25 (Regional Jet Series 1000). Effective Aug 12, 2019 - [AD 2019-12-03](https://openairdocs.org/ad/2019-12-03): Landing gear · Bombardier CL-600-2C10 (Regional Jet Series 700), CL-600-2C10 (Regional Jet Series 701), CL-600-2C10 (Regional Jet Series 702) and 2 more. Effective Aug 7, 2019 - [AD 2019-05-12](https://openairdocs.org/ad/2019-05-12): Landing Gear · Bombardier CL-600-2C10 (Regional Jet Series 700), CL-600-2C10 (Regional Jet Series 701), CL-600-2C10 (Regional Jet Series 702) and 3 more. Effective May 3, 2019 - [AD 2018-22-12](https://openairdocs.org/ad/2018-22-12): Landing gear · Bombardier CL-600-2C10 (Regional Jet Series 700), CL-600-2C10 (Regional Jet Series 701), CL-600-2C10 (Regional Jet Series 702) and 3 more. Effective Dec 12, 2018 - [AD 2018-20-17](https://openairdocs.org/ad/2018-20-17): Wings · Bombardier CL-600-2C10 (Regional Jet Series 700), CL-600-2C10 (Regional Jet Series 701), CL-600-2C10 (Regional Jet Series 702) and 3 more. Effective Nov 20, 2018 - [AD 2018-19-12](https://openairdocs.org/ad/2018-19-12): Flight Controls · Bombardier CL-600-2C10 (Regional Jet Series 700), CL-600-2C10 (Regional Jet Series 701), CL-600-2C10 (Regional Jet Series 702) and 2 more. Effective Oct 31, 2018 - [AD 2018-14-03](https://openairdocs.org/ad/2018-14-03): Landing gear · Bombardier CL-600-2C10 (Regional Jet Series 700), CL-600-2C10 (Regional Jet Series 701), CL-600-2C10 (Regional Jet Series 702) and 3 more. Effective Aug 13, 2018 - [AD 2018-11-12](https://openairdocs.org/ad/2018-11-12): Landing gear · Bombardier CL-600-2C10 (Regional Jet Series 700), CL-600-2C10 (Regional Jet Series 701), CL-600-2C10 (Regional Jet Series 702) and 3 more. Effective Jul 12, 2018 ### Matched by engine (GE CF34-8C5) - [AD 2026-21-11](https://openairdocs.org/ad/2026-21-11): Turbine Engine Compressor Section · General Electric Company GE Aerospace CF34-8C1, CF34-8C5, CF34-8C5A1 and 10 more. Effective Nov 27, 2026 - [AD 2025-12-08](https://openairdocs.org/ad/2025-12-08): Turbine Engine Combustion Section · General Electric CF34-8C1, CF34-8C5, CF34-8C5A1 and 10 more. Effective Jul 23, 2025 - [AD 2023-02-05](https://openairdocs.org/ad/2023-02-05): Turbine Engine Combustion Section · General Electric CF34-8C1, CF34-8C5, CF34-8C5A1 and 9 more. Effective Mar 14, 2023 - [AD 2022-21-06](https://openairdocs.org/ad/2022-21-06): Turbine Section · General Electric CF34-8C1, CF34-8C5, CF34-8C5A1 and 10 more. Effective Nov 15, 2022 - [AD 2022-09-14](https://openairdocs.org/ad/2022-09-14): Compressor Bleed Valve · General Electric CF34-8C1, CF34-8C5, CF34-8C5A1 and 10 more. Effective Jun 24, 2022 - [AD 2022-08-06](https://openairdocs.org/ad/2022-08-06): Turbine Engine Compression Section · General Electric CF34-8C1, CF34-8C5, CF34-8C5A1 and 10 more. Effective Apr 29, 2022 - [AD 2021-26-19](https://openairdocs.org/ad/2021-26-19): Turbine Section · General Electric CF34-8C5, CF34-8C5B1, CF34-8E2 and 6 more. Effective Jan 25, 2022 - [AD 2021-23-51](https://openairdocs.org/ad/2021-23-51): Turbine Engine Compression Section · General Electric CF34-8C1, CF34-8C5, CF34-8C5A1 and 10 more. Effective Dec 29, 2021 - [AD 2021-18-13](https://openairdocs.org/ad/2021-18-13): Turbine Engine Combustion Section · General Electric CF34-8C1, CF34-8C5, CF34-8C5A1 and 10 more. Effective Oct 22, 2021 - [AD 2017-17-18](https://openairdocs.org/ad/2017-17-18): Turbine Engine Compressor Section · General Electric CF34-8C1, CF34-8C5, CF34-8C5A1 and 10 more. Effective Oct 6, 2017 - [AD 2013-06-06](https://openairdocs.org/ad/2013-06-06): Operability bleed valves (OBV) · General Electric CF34-8C1, CF34-8C5, CF34-8C5A1 and 10 more. Effective May 8, 2013 - [AD 2008-05-01](https://openairdocs.org/ad/2008-05-01): Fuel metering units (FMU) · General Electric CF34-10E2A1, CF34-10E5, CF34-10E5A1 and 8 more. Effective Apr 3, 2008 - [AD 2005-07-06](https://openairdocs.org/ad/2005-07-06): Master variable geometry (VG) actuators · General Electric CF34-8C1 and CF34-8C5. Effective Apr 15, 2005 ### Historical (superseded or no longer in force) - [AD 2025-22-02](https://openairdocs.org/ad/2025-22-02) (historical): Stabilizers · MHI RJ Aviation ULC CL-600-2C10 (Regional Jet Series 700), CL-600-2C10 (Regional Jet Series 701), CL-600-2C10 (Regional Jet Series 702) and 4 more. Effective Nov 20, 2025 - [AD 2023-23-02](https://openairdocs.org/ad/2023-23-02) (historical): Flight controls · MHI RJ Aviation ULC CL-600-2B19 (Regional Jet Series 100), CL-600-2B19 (Regional Jet Series 440), CL-600-2C10 (Regional Jet Series 700) and 6 more. Effective Jan 18, 2024 - [AD 2019-22-07](https://openairdocs.org/ad/2019-22-07) (historical): Auto flight · Bombardier CL-600-2B19 (Regional Jet Series 100), CL-600-2B19 (Regional Jet Series 440), CL-600-2C10 (Regional Jet Series 700) and 5 more. Effective Feb 10, 2020 - [AD 2016-11-02](https://openairdocs.org/ad/2016-11-02) (historical): Nacelles/Pylons · Bombardier CL-600-2C10 (Regional Jet Series 700), CL-600-2C10 (Regional Jet Series 701), CL-600-2C10 (Regional Jet Series 702) and 3 more. Effective Jun 10, 2016 - [AD 2016-08-05](https://openairdocs.org/ad/2016-08-05) (historical): Flight Controls · Bombardier CL-600-2C10 (Regional Jet Series 700), CL-600-2C10 (Regional Jet Series 701), CL-600-2C10 (Regional Jet Series 702) and 3 more. Effective May 18, 2016 - [AD 2015-24-04](https://openairdocs.org/ad/2015-24-04) (historical): Equipment/Furnishings · Bombardier CL-600-2B19 (Regional Jet Series 100), CL-600-2B19 (Regional Jet Series 440), CL-600-2C10 (Regional Jet Series 700) and 5 more. Effective Dec 15, 2015 - [AD 2015-17-04](https://openairdocs.org/ad/2015-17-04) (historical): Flight Controls · Bombardier CL-600-2C10 (Regional Jet Series 700), CL-600-2C10 (Regional Jet Series 701), CL-600-2C10 (Regional Jet Series 702) and 2 more. Effective Sep 24, 2015 - [AD 2014-02-01](https://openairdocs.org/ad/2014-02-01) (historical): Flight controls · Bombardier CL-600-2C10 (Regional Jet Series 700), CL-600-2C10 (Regional Jet Series 701), CL-600-2C10 (Regional Jet Series 702) and 2 more. Effective Mar 14, 2014 - [AD 2013-16-08](https://openairdocs.org/ad/2013-16-08) (historical): Landing gear · Bombardier CL-600-2C10 (Regional Jet Series 700), CL-600-2C10 (Regional Jet Series 701), CL-600-2C10 (Regional Jet Series 702) and 2 more. Effective Sep 24, 2013 - [AD 2012-22-10](https://openairdocs.org/ad/2012-22-10) (historical): Fuselage · Bombardier CL-600-2C10 (Regional Jet Series 700), CL-600-2C10 (Regional Jet Series 701), CL-600-2C10 (Regional Jet Series 702) and 3 more. Effective Dec 14, 2012 - [AD 2011-21-07](https://openairdocs.org/ad/2011-21-07) (historical): Navigation · Bombardier CL-600-2B19 (Regional Jet Series 100), CL-600-2B19 (Regional Jet Series 440), CL-600-2C10 (Regional Jet Series 700) and 4 more. Effective Nov 23, 2011 - [AD 2011-08-04](https://openairdocs.org/ad/2011-08-04) (historical): Landing gear · Bombardier CL-600-2C10 (Regional Jet Series 700), CL-600-2C10 (Regional Jet Series 701), CL-600-2C10 (Regional Jet Series 702) and 2 more. Effective May 18, 2011 - [AD 2011-03-13](https://openairdocs.org/ad/2011-03-13) (historical): Flight controls · Bombardier CL-600-2C10 (Regional Jet Series 700), CL-600-2C10 (Regional Jet Series 701), CL-600-2C10 (Regional Jet Series 702) and 2 more. Effective Mar 14, 2011 - [AD 2010-23-19](https://openairdocs.org/ad/2010-23-19) (historical): Landing gear · Bombardier CL-600-2C10 (Regional Jet Series 700), CL-600-2C10 (Regional Jet Series 701), CL-600-2C10 (Regional Jet Series 702) and 2 more. Effective Nov 24, 2010 - [AD 2009-22-12](https://openairdocs.org/ad/2009-22-12) (historical): Flight Controls · Bombardier CL-600-2C10 (Regional Jet Series 700), CL-600-2C10 (Regional Jet Series 701), CL-600-2C10 (Regional Jet Series 702) and 2 more. Effective Nov 13, 2009 - [AD 2009-06-18](https://openairdocs.org/ad/2009-06-18) (historical): Air-Driven generator (ADGs) · Bombardier CL-600-2C10 (Regional Jet Series 701), CL-600-2C10 (Regional Jet Series 702), CL-600-2D15 (Regional Jet Series 705) and 1 more. Effective Apr 30, 2009 - [AD 2008-09-23](https://openairdocs.org/ad/2008-09-23) (historical): Critical Design Configuration Control Limitations (CDCCL) · Bombardier CL-600-2C10 (Regional Jet Series 700), CL-600-2C10 (Regional Jet Series 701), CL-600-2C10 (Regional Jet Series 702) and 2 more. Effective Jun 6, 2008 - [AD 2008-06-01](https://openairdocs.org/ad/2008-06-01) (historical): Fuel tank wiring · Bombardier CL-600-2C10 (Regional Jet Series 700), CL-600-2C10 (Regional Jet Series 701), CL-600-2C10 (Regional Jet Series 702) and 2 more. Effective Apr 16, 2008 - [AD 2006-14-05](https://openairdocs.org/ad/2006-14-05) (historical): Lower panel of the left- and right-hand main landing gear (MLG) doors · Bombardier CL-600-2C10 (Regional Jet Series 700), CL-600-2C10 (Regional Jet Series 701), CL-600-2C10 (Regional Jet Series 702) and 2 more. Effective Aug 15, 2006 - [AD 2005-13-02](https://openairdocs.org/ad/2005-13-02) (historical): Number 1 and Number 2 hydraulic system · Bombardier CL-600-2C10 (Regional Jet Series 700), CL-600-2C10 (Regional Jet Series 701) and CL-600-2D24 (Regional Jet Series 900). Effective Jul 27, 2005 - [AD 2004-07-01](https://openairdocs.org/ad/2004-07-01) (historical): AFM - Abnormal Procedures · Bombardier Aerospace CL-600-2C10 (Regional Jet Series 700), CL-600-2C10 (Regional Jet Series 701) and CL-600-2D24 (Regional Jet Series 900). Effective Apr 15, 2004 - [AD 2003-19-51](https://openairdocs.org/ad/2003-19-51) (historical): Main landing gear (MLG) · Bombardier Aerospace CL-600-2C10 (Regional Jet Series 700), CL-600-2C10 (Regional Jet Series 701) and CL-600-2D24 (Regional Jet Series 900). Effective Nov 3, 2003 - [AD 2019-22-05](https://openairdocs.org/ad/2019-22-05) (historical): Compressor bleed governor · General Electric CF34-8C1, CF34-8C5, CF34-8C5A1 and 3 more. Effective Dec 23, 2019 - [AD 2017-23-06](https://openairdocs.org/ad/2017-23-06) (historical): Compressor bleed governor · General Electric CF34-8C1, CF34-8C5, CF34-8C5A1 and 1 more. Effective Nov 30, 2017 - [AD 2003-26-05](https://openairdocs.org/ad/2003-26-05) (historical): Master Variable Geometry (VG) Actuators · General Electric CF34-8C1, CF34-8C5, CF34-8C5A1 and 3 more. Effective Jan 20, 2004 All 155: https://openairdocs.org/aircraft/N821SK/ads.md ## Information bulletins (advisory) (4 in force) - [SAIB NE-19-03](https://openairdocs.org/saib/NE-19-03): Escape Slide Maintenance Tasks and Intervals - JASC 2565. Issued Feb 19, 2019 - [SAIB NM-09-06](https://openairdocs.org/saib/NM-09-06): Landing gear: Inspect body fairing seal common to the main landing gear (MLG) inboard doors. Issued Jan 28, 2009 - [SAIB NM-09-03](https://openairdocs.org/saib/NM-09-03): Engine Fuel and Control - Implementing Fuel Tank System Airworthiness Limitations. Issued Dec 11, 2008 - [SAIB NM-07-11](https://openairdocs.org/saib/NM-07-11): Brake System Accumulators. Issued Nov 24, 2006 ## NTSB investigations None matched to N821SK. ## FAA accident and incident reports None matched to N821SK. ## Service difficulty reports (234, newest 50) 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 SWIA2026041075688](https://openairdocs.org/sdr/SWIA2026041075688), Apr 10, 2026: WINDSHIELD. CRACKED. LEFT WINDSHIELD ARCING DURING DESCENT IN BOTTOM RIGHT HAND CORNER. IMMEDIATELY TURNED IT OFF VERIFIED WITH QRH AND SAW NO CRACKING AND WERE BELOW 28000 BY THAT - [SDR SWIA2026022675356](https://openairdocs.org/sdr/SWIA2026022675356), Feb 26, 2026: ENGINE. ODOR. IN FLIGHT FA REPORTED STRONG EXHAUST ODOR IN THE CABIN CAUSING HER THROAT AND HEAD TO HURT. DESCENDED TO FL240 AND SWAPPED TO THE APU BLEED. FA INITIALLY NOTED - [SDR SWIA202602275356](https://openairdocs.org/sdr/SWIA202602275356), Feb 26, 2026: UNKNOWN. FUMES. IN FLIGHT FA REPORTED STRONG EXHAUST SMELL IN THE CABIN CAUSING HER THROAT AND HEAD TO HURT. WE DESCENDED TO FL240 AND SWAPPED TO THE APU BLEED. FA INITIALLY NO - [SDR SWIA2026021475289](https://openairdocs.org/sdr/SWIA2026021475289), Feb 14, 2026: UNKNOWN. SMOKE. BOTH FAS & SOME PAX REPORTED FOG, SMOKE, FUMES VISIBLE IN CABIN, MORE REAR OF CABIN DURING FULL POWER TAKEOFF ROLL. SLOWLY DISSIPATED DURING CRUISE. REPORTED BU - [SDR SWIA2025122975121](https://openairdocs.org/sdr/SWIA2025122975121), Dec 29, 2025: REPAIR. INSTALLED. PERFORM DEVIATION TO SERVICE BULLETIN 670BA-53-044 REV -G DUE TO EXISTING CAP ANGLE SPLICE REPAIR PER REO 690-53-11-2104. (C-CHECK RO 02/01/2026)PERFORMED DEVIA - [SDR SWIA2025121075164](https://openairdocs.org/sdr/SWIA2025121075164), Dec 10, 2025: ANGLE. CORRODED. CORROSION PRESENT ON IMPACT ANGLE AT FWD WASTE WATER SERVICE DOOR INSIDE STRUCTURE BETWEEN FS379 - FS394 STR 23R (C-CHECK RO 02/01/2026)REMOVED AND INSTALLED NE - [SDR SWIA2025121075163](https://openairdocs.org/sdr/SWIA2025121075163), Dec 10, 2025: DIAPHRAGM. CORRODED. CORROSION PRESENT ON LOWER DIAPHRAGM AT FWD WASTE WATER SERVICE DOOR INSIDE STRUCTURE BETWEEN FS379 -FS394 STR 23R (C-CHECK RO 02/01/2026)REMOVED AND INSTALLED - [SDR SWIA2025120875162](https://openairdocs.org/sdr/SWIA2025120875162), Dec 8, 2025: FRAME. CORRODED. FS 379 HAS CORROSION PRESENT ON AFT SIDE AT APPROXIMATELY STR 23R. (C-CHECK RO 02/01/2026)FRAME AT FS 379 HAS INTERGRANULAR CORROSION AND IS EXFOLIATED WITH 100 - [SDR SWIA2025120675118](https://openairdocs.org/sdr/SWIA2025120675118), Dec 6, 2025: PRESSURE DECK. MECHANIC ERROR. ON THE PRESSURE FLOOR MODIFICATION, AN EXISTING FASTENER HOLE HAS SHORT ED. AT FS792, RBL36, THE HOLE COMMON TO THE DIAPHRAGM LOWER FLANGE, THE I/B HOLE AT FS79 - [SDR SWIA2025081675161](https://openairdocs.org/sdr/SWIA2025081675161), Aug 16, 2025: HINGE. SCRATCHED. SCRATCHES NOTED ON PAX DOOR HINGE HALF(DOOR SIDE) LUGS AFT TO FWD LUGS 1-10 AND 27 (MARKED) (C-CHECK RO 02/01/2026)REPAIRED PAX DOOR PIANO HINGE FUSELAGE SIDE O - [SDR SWIA2025081675142](https://openairdocs.org/sdr/SWIA2025081675142), Aug 16, 2025: HINGE. CHAFED. CHAFING AND CORROSION NOTED ON PAX DOOR HINGE HALF (FUS SIDE) (MARKED) (C-CHECK RO 02/01/2026)BLENDED LANDS ON THE FUSELAGE SIDE PAX DOOR HINGE. BLENDED LANDS M - [SDR SWIA2025081675124](https://openairdocs.org/sdr/SWIA2025081675124), Aug 16, 2025: STRINGER. CORRODED. CORROSION NOTED ON STRG 19R BETWEEN FS437-FS453 (MARKED) (C-CHECK RO 02/01/2026)STRG 19R BETWEEN FS437-FS453 HAS A PREVIOUS REPAIR AND IS IN A NO DAMAGE ALLOWED - [SDR SWIA2025081275160](https://openairdocs.org/sdr/SWIA2025081275160), Aug 12, 2025: WINDOW POST. CRACKED. DURING AUDIT OF 9Y TASK CARD 53-220-504 IT WAS FOUND THE THE RH OUTBOARD WINDOW POST IS CRACKED (C-CHECK RO 02/01/2026)REMOVED AND INSTALLED NEW RH WINDSHIELD P - [SDR SWIA2025080475159](https://openairdocs.org/sdr/SWIA2025080475159), Aug 4, 2025: SLAT TRACK. WORN. RH 3-3 SLAT TRACK HAS WEAR MARKS IN MULTIPLE LOCATIONS. (MARKED) (C-CHECK RO 02/01/2026)REMOVED WEAR MARKING ON RH SLAT TRACK 3-3 IAW CRJ 900 SRM 51-12-00-001-0 - [SDR SWIA2025080475158](https://openairdocs.org/sdr/SWIA2025080475158), Aug 4, 2025: SLAT TRACK. DAMAGED. RH 2-2 SLAT TRACK HAS PITTING IN MULTIPLE LOCATIONS. (MARKED) (C-CHECK RO 02/01/2026)REMOVED WEAR MARKING ON R/H SLAT TRACK 2-2 IAW CRJ 900 SRM 51-12-00-001-001 - [SDR SWIA2025080475157](https://openairdocs.org/sdr/SWIA2025080475157), Aug 4, 2025: SLAT TRACK. WORN. RH 1-3 SLAT TRACK HAS WEAR MARKS IN MULTIPLE LOCATIONS. (MARKED) (C-CHECK RO 02/01/2026)PERFORMED REPAIR ON R/H SLAT TRACK 1-3 PER REO 690-57-42-1305 REV -- 202 - [SDR SWIA2025080475141](https://openairdocs.org/sdr/SWIA2025080475141), Aug 4, 2025: SLAT TRACK. WORN. RH 3-2 SLAT TRACK HAS WEAR MARKS IN MULTIPLE LOCATIONS. (MARKED) (C-CHECK RO 02/01/2026)REMOVED WEAR MARKING ON R/H SLAT TRACK 3-2 IAW CRJ 900 SRM 51-12-00-001- - [SDR SWIA2025080475140](https://openairdocs.org/sdr/SWIA2025080475140), Aug 4, 2025: SLAT TRACK. WORN. RH 3-1 SLAT TRACK HAS WEAR MARKS IN MULTIPLE LOCATIONS. (MARKED) (C-CHECK RO 02/01/2026)REMOVED WEAR MARKING ON R/H SLAT TRACK 3-1 IAW CRJ 900 SRM 51-12-00-001- - [SDR SWIA2025080475139](https://openairdocs.org/sdr/SWIA2025080475139), Aug 4, 2025: SLAT TRACK. WORN. RH 2-3 SLAT TRACK HAS WEAR MARKS IN MULTIPLE LOCATIONS. (MARKED) (C-CHECK RO 02/01/2026)REMOVED WEAR MARKING ON R/H SLAT TRACK 2-3 IAW CRJ 900 SRM 51-12-00-001- - [SDR SWIA2025080475138](https://openairdocs.org/sdr/SWIA2025080475138), Aug 4, 2025: SLAT TRACK. DAMAGED. RH 1-2 SLAT TRACK HAS PITTING IN MULTIPLE LOCATIONS. (MARKED) (C-CHECK RO 02/01/2026)REMOVED WEAR MARKING ON R/H SLAT TRACK 1-2 IAW CRJ 900 SRM 51-12-00-001-001 - [SDR SWIA2025080475137](https://openairdocs.org/sdr/SWIA2025080475137), Aug 4, 2025: SLAT TRACK. WORN. RH 1-1 SLAT TRACK HAS WEAR MARKS IN MULTIPLE LOCATIONS. (MARKED) (C-CHECK RO 02/01/2026)REMOVED WEAR MARKING ON RH SLAT TRACK 1-1 IAW CRJ 900 SRM 51-12-00-001-0 - [SDR SWIA2025080475123](https://openairdocs.org/sdr/SWIA2025080475123), Aug 4, 2025: SLAT TRACK. WORN. RH 2-1 SLAT TRACK HAS WEAR MARKS IN MULTIPLE LOCATIONS. (MARKED) (C-CHECK RO 02/01/2026)REMOVED WEAR MARKING ON R/H SLAT TRACK 2-1 IAW CRJ 900 SRM 51-12-00-001- - [SDR SWIA2025080475120](https://openairdocs.org/sdr/SWIA2025080475120), Aug 4, 2025: SLAT TRACK. CHAFED. RH SLAT TRACK 1-1 HAS CHAFE DAMAGE ON FWD OTBD SIDE. (MARKED) (C-CHECK RO 02/01/2026) PERFORMED REPAIR AT R/H SLAT TRACK 1-1 PER REO 690-57-42-1291 REV-- 2025-0 - [SDR SWIA2025080375156](https://openairdocs.org/sdr/SWIA2025080375156), Aug 3, 2025: SLAT TRACK. WORN. L/H SLAT TRACK 3-1 HAS WEAR MARKINGS IN MULTIPLE LOCATIONS. (MARKED) (C-CHECK RO 02/01/2026)REMOVED WEAR MARKING ON L/H SLAT TRACK 3-1 IAW CRJ 900 SRM 51-12-00- - [SDR SWIA2025080375155](https://openairdocs.org/sdr/SWIA2025080375155), Aug 3, 2025: SLAT TRACK. DAMAGED. L/H SLAT TRACK 2-2 HAS PITTING. (MARKED) (C-CHECK RO 02/01/2026)REMOVED WEAR MARKING ON L/H SLAT TRACK 2-2 IAW CRJ 900 SRM 51-12-00-001-001-A01BLEND #1 MEASURED - [SDR SWIA2025080375154](https://openairdocs.org/sdr/SWIA2025080375154), Aug 3, 2025: SLAT TRACK. WORN. L/H SLAT TRACK 2-1 HAS WEAR MARKINGS IN MULTIPLE LOCATIONS. (MARKED) (C-CHECK RO 02/01/2026)PERFORMED REPAIR AT L/H SLAT TRACK 2-1 PER REO 690-57-42-1297 REV-- - [SDR SWIA2025080375136](https://openairdocs.org/sdr/SWIA2025080375136), Aug 3, 2025: SLAT TRACK. WORN. L/H SLAT TRACK 3-3 HAS WEAR MARKINGS IN MULTIPLE LOCATIONS. (MARKED) (C-CHECK RO 02/01/2026)REMOVED WEAR MARKING ON L/H SLAT TRACK 3-3 IAW CRJ 900 SRM 51-12-00- - [SDR SWIA2025080375135](https://openairdocs.org/sdr/SWIA2025080375135), Aug 3, 2025: SLAT TRACK. WORN. L/H SLAT TRACK 1-3 HAS WEAR MARKINGS IN MULTIPLE LOCATIONS. (MARKED) (C-CHECK RO 02/01/2026)PERFORMED REPAIR ON L/H SLAT TRACK 1-3 PER REO 690-57-42-1296 REV-- - [SDR SWIA2025080375125](https://openairdocs.org/sdr/SWIA2025080375125), Aug 3, 2025: SLAT TRACK. WORN. L/H SLAT TRACK 1-1 HAS WEAR MARKINGS IN MULTIPLE LOCATIONS. (MARKED) (C-CHECK RO 02/01/2026)PERFORMED REPAIR ON L/H SLAT TRACK 1-1 PER REO 690-57-42-1290 REV -- - [SDR SWIA2025080375122](https://openairdocs.org/sdr/SWIA2025080375122), Aug 3, 2025: SLAT TRACK. DAMAGED. L/H SLAT TRACK 1-2 HAS PITTING. (MARKED) (C-CHECK RO 02/01/2026)REMOVED WEAR MARKING ON L/H SLAT TRACK 1-2 IAW CRJ 900 SRM 51-12-00-001-001-A01BLENDS FOUND TO B - [SDR SWIA2025080275134](https://openairdocs.org/sdr/SWIA2025080275134), Aug 2, 2025: INTERCOSTAL. CORRODED. CORROSION ON INTERCOSTAL STGR24L BETWEEN FS881.00 TO FS897.00 AS MARKED (C-CHECK RO 02/01/2026)CORROSION ON INTERCOSTAL, STRG24L BETWEEN FS881.00 TO FS897.00 IS - [SDR SWIA2025080275133](https://openairdocs.org/sdr/SWIA2025080275133), Aug 2, 2025: INTERCOSTAL. CORRODED. CORROSION ON INTERCOSTAL, STRG24L BETWEEN FS865 -FS881 (C-CHECK RO 02/01/2026)CORROSION ON INTERCOSTAL, STRG24L BETWEEN FS865 -FS881 IS FOUND TO BE IN A NO ALLO - [SDR SWIA2025073175153](https://openairdocs.org/sdr/SWIA2025073175153), Jul 31, 2025: FLOOR SUPPORT. CRACKED. POSSIBLE CRACK ON THE COCKPIT FLOOR SUPPORT, FWD ANGLE (MARKED) (C-CHECK RO 02/01/2026)REMOVED AND REPLACED FLOOR SUPPORT STRUCTURE WITH NEW P/N CC670-34095-1 F - [SDR SWIA2025073175152](https://openairdocs.org/sdr/SWIA2025073175152), Jul 31, 2025: SUPPORT ANGLE. CORRODED. FS280, FLOORBOARD CRAWLWAY SUPPORT ANGLE, HAS 3EA AREAS OF CORROSION (MARKED) (C-CHECK RO 02/01/2026)REMOVED AND INSTALLED NEW FS280, FLOORBOARD CRAWLWAY SUPPOR - [SDR SWIA2025073175151](https://openairdocs.org/sdr/SWIA2025073175151), Jul 31, 2025: STRINGER. CORRODED. CORROSION ON STGR23L BETWEEN FS1069.75- FS1088.20 AS MARKED (C-CHECK RO 02/01/2026)REMOVED CORROSION ON STGR23L BETWEEN FS1069.75- FS1088.20 REF CRJ-900 SRM 51- - [SDR SWIA2025073175150](https://openairdocs.org/sdr/SWIA2025073175150), Jul 31, 2025: STRINGER. CORRODED. CORROSION ON STGR24L BETWEEN FS985.00 - FS1000.00 AS MARKED (C-CHECK RO 02/01/2026)REMOVED CORROSION ON STGR24L BETWEEN FS985 - FS1000. MATERIAL LOSS OF 0.005" - [SDR SWIA2025073175149](https://openairdocs.org/sdr/SWIA2025073175149), Jul 31, 2025: DOOR SILL. CORRODED. AFT BAGGAGE DOOR SILL CORRODED AS MARKED (C-CHECK RO 02/01/2026)AFT BAGGAGE DOOR SILL. P/N MM670-35655-003, NO DAMAGE IS ALLOWED ON THE SURROUND STRUCTURE OF TH - [SDR SWIA2025073175132](https://openairdocs.org/sdr/SWIA2025073175132), Jul 31, 2025: STRINGER. CORRODED. CORROSION ON STGR26L BETWEEN FS1000.00 - FS1015.00 AS MARKED (C-CHECK RO 02/01/2026)REMOVED CORROSION ON STGR26L BETWEEN FS1000 - FS1015. MATERIAL LOSS OF 0.010 - [SDR SWIA2025072975148](https://openairdocs.org/sdr/SWIA2025072975148), Jul 29, 2025: STAND OFF. CRACKED. L/H UPPER TRANSCOWL INBD "A" BRACKET STANDOFF IS CRACKED (C-CHECK RO 02/01/2026)REMOVED CRACKED INBD "A" BRACKET STANDOFF FROM L/H UPPER TRANSCOW AND INSTALLED - [SDR SWIA2025072975147](https://openairdocs.org/sdr/SWIA2025072975147), Jul 29, 2025: RIVET. SHEARED. LEFT LWR TRANSCOWL ZEE STIFFENER RIVETS ARE SHEARED. LT LWR TRANSCOWL ZEE STIFFENER HAS BEEN RE-INSTALLED REF REO# 690-54-21-586, REV --, DATED 8/18/25. SEE CON - [SDR SWIA2025072975131](https://openairdocs.org/sdr/SWIA2025072975131), Jul 29, 2025: STIFFENER. LOOSE. R/H LWR TRANSCOWL Z STIFFENER RIVETS ARE SHEARED (C-CHECK RO 02/01/2026)REPLACED SHEARED RIVETS ON THE Z STIFFENER AND REPAIRED UNDERLYING CRACKS IN THE INNER P - [SDR SWIA2025072975130](https://openairdocs.org/sdr/SWIA2025072975130), Jul 29, 2025: LATCH. CHAFED. R/H UPPER TRANSCOWL INNER COAMING IS CHAFED @ FWD LATCH (C-CHECK RO 02/01/2026)REPAIRED R/H UPPER TRANSCOWL, REF. REO 690-54-21-583, REV. --, 2025-08-14, ALL ST - [SDR SWIA2025072975129](https://openairdocs.org/sdr/SWIA2025072975129), Jul 29, 2025: STAND OFF. CRACKED. RIGHT UPPER TRANSCOWL INBD "A" BRACKET STANDOFF IS CRACKED (C-CHECK RO 02/01/2026)REMOVED AND REPLACED I/B STAND-OFF ANGLE P/N CN624-2082-201 ON R/H UPPER TRANS - [SDR SWIA2025072675146](https://openairdocs.org/sdr/SWIA2025072675146), Jul 26, 2025: STOP FITTING. CRACKED. RT FWD EMER EXIT DOOR, UPPER STOP ON THE DOOR, POSSIBLE CRACK IN THE DOOR FRAME (MARKED) (C-CHECK RO 02/01/2026)REPAIRED CRACK ON RH FORWARD EMERGENCY DOOR EXIT - [SDR SWIA2025072675128](https://openairdocs.org/sdr/SWIA2025072675128), Jul 26, 2025: STOP FITTING. CRACKED. LH AFT EMER EXIT DOOR, UPPER STOP ON THE DOOR, POSSIBLE CRACK IN THE DOOR FRAME (MARKED) (C-CHECK RO 02/01/2026)FLUORESCENT PENETRANT INSPECTED PER REF CRJ900 N - [SDR SWIA2025072675126](https://openairdocs.org/sdr/SWIA2025072675126), Jul 26, 2025: STOP FITTING. CRACKED. RH AFT EMER EXIT DOOR, UPPER STOP ON THE DOOR, POSSIBLE CRACK IN THE DOOR FRAME (MARKED) (C-CHECK RO 02/01/2026)REPAIRED CRACK ON AFT RH EMERGENCY EXIT DOOR UPP - [SDR SWIA2025072175119](https://openairdocs.org/sdr/SWIA2025072175119), Jul 21, 2025: RIVET. DAMAGED. RT OTBD FLAP HAS SMOKING RIVETS ON TOP SIDE OF FLAP SKIN FROM APPOX. WS.200.00 TO WS.210.00 (MARKED). (C-CHECK RO 02/01/2026)REMOVED AND REPLACED FASTENERS (7 E - [SDR SWIA2025071975145](https://openairdocs.org/sdr/SWIA2025071975145), Jul 19, 2025: BEAM. GROOVED. LEFT WING INBOARD FLAP INBOARD FLAP VANE ACTUATOR BEAM HAS A LATERAL GROOVE, FLS140.40. (MARKED & FLAGGED) (C-CHECK RO 02/01/2026)REMOVED DAMAGE FROM THE LEFT W - [SDR SWIA2025071975144](https://openairdocs.org/sdr/SWIA2025071975144), Jul 19, 2025: BEAM. GROOVED. LEFT WING INBOARD FLAP INBOARD FLAP VANE ACTUATOR BEAM HAS A LATERAL GROOVE,FLS65.50. (MARKED & FLAGGED) (C-CHECK RO 02/01/2026)REMOVED DAMAGE FROM THE LEFT WIN - [SDR SWIA2025071975143](https://openairdocs.org/sdr/SWIA2025071975143), Jul 19, 2025: BEAM. GROOVED. LEFT WING INBOARD FLAP INBOARD FLAP VANE ACTUATOR BEAM HAS A LATERAL GROOVE, FLS102.90. (MARKED & FLAGGED) (C-CHECK RO 02/01/2026)COMPLIED WITH REO 670-57-52-25 All 234: https://openairdocs.org/aircraft/N821SK/reports.md ## STCs that may be installed (OpenAirDocs) (139, first 50) 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 (Bombardier CL-600-2D24) - [STC ST12461IB](https://openairdocs.org/stc/ST12461IB): Installation of Cockpit Voice Recorder with optional RIPS Upgrade. Mid- Canada Mod Center - [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 ST12455IB](https://openairdocs.org/stc/ST12455IB): Cabin reconfiguration to add an extra row of business class seating and remove one row of economy seating. Airhawke Aérospatial Inc - [STC ST00197IB](https://openairdocs.org/stc/ST00197IB): Installation of the Universal Quick Access Recorder (uQAR). Flight Data Technologies Inc - [STC ST12396IB](https://openairdocs.org/stc/ST12396IB): Installation of Laseref V Inertial Reference System. Avmax Aviation Services Inc - [STC ST04790NY](https://openairdocs.org/stc/ST04790NY): Installation Bruce Cabin Lighting. Delta Engineering Corporation - [STC ST00952LA](https://openairdocs.org/stc/ST00952LA): Installation of Mass Systems fire extinguisher cartridges as replacements for Kidde fire extinguisher cartridges in fire extinguisher bottles. AMETEK AMERON LLC d/b/a MASS Systems - [STC ST04328NY](https://openairdocs.org/stc/ST04328NY): The Manufacture and Installation of Exterior Placards, Labels and Signs is to be performed, installed. Libellule Monde Inc - [STC ST03875NY](https://openairdocs.org/stc/ST03875NY): Installation of interior placards, signs and markings. Libellule Monde Inc - [STC ST04812NY](https://openairdocs.org/stc/ST04812NY): Installation of Hughes Satellite Connectivity and Wifi Cabin Distribution System. ALOFT AeroArchitects - [STC ST00030IB](https://openairdocs.org/stc/ST00030IB): Installation of Test Tech ELT. APTOZ EHF - [STC ST03885AT](https://openairdocs.org/stc/ST03885AT): Installation of an Avionica, Inc. avCM Cellular Module. Aircraft Systems and Manufacturing Inc - [STC ST02721LA](https://openairdocs.org/stc/ST02721LA): Updates the aircraft recording system by installing a new SRVIVR25 Cockpit Voice Recorder (CVR) with Integrated Recorder Independent Power Supply (RIPS). Acron Aviation Inc - [STC ST01415LA](https://openairdocs.org/stc/ST01415LA): Installation of a reinforced cockpit door. Safran Cabin Inc - [STC ST01621LA](https://openairdocs.org/stc/ST01621LA): Installation of C&D Interiors Overhead Stowage Bin Installation, PSU Panel Installation, Ceiling Panel Installation, L/H Wardrobe Installation, Underbin Stowage Unit Installation, Passenger Seat & Track Cover. Safran Cabin Inc - [STC ST01985LA-D](https://openairdocs.org/stc/ST01985LA-D): Modification and installation of stowage bins, class dividers, ceiling panels, passenger seats, passenger service units and filler panels, seat track covers, passenger floor coverings, floor proximity lighting strips, and seat row placards. Safran Cabin Inc - [STC ST01999LA-D](https://openairdocs.org/stc/ST01999LA-D): Interior Installations and Modifications. Safran Cabin Inc - [STC ST02004LA](https://openairdocs.org/stc/ST02004LA): Interior Installations and Modifications. Safran Cabin Inc - [STC ST02383LA](https://openairdocs.org/stc/ST02383LA): Interior Installations and Modifications. Safran Cabin Inc - [STC ST02398LA](https://openairdocs.org/stc/ST02398LA): Interior Installations and Modifications. Safran Cabin Inc - [STC ST02400LA](https://openairdocs.org/stc/ST02400LA): Interior Installations and Modifications. Safran Cabin Inc - [STC ST02569LA](https://openairdocs.org/stc/ST02569LA): Interior Installations and Modifications. Safran Cabin Inc - [STC ST04201AT](https://openairdocs.org/stc/ST04201AT): Installation of the Avionics Innovations DMP500 PRAM (Pre-Recorded Announcement Machine). Chippewa Aerospace Inc - [STC ST04371AT](https://openairdocs.org/stc/ST04371AT): Installation of a Second (No. 2) Rockwell Collins Flight Management System (and Optional GPS). Chippewa Aerospace Inc - [STC SA02358LA](https://openairdocs.org/stc/SA02358LA): Installation of Main Landing Gear Wire Harness Assemblies. NIACC Avitech Technologies - [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 ST02811LA](https://openairdocs.org/stc/ST02811LA): Installation of six Rockwell Collins Electronic Flight Displays Model EFD-4076 upgraded with Light Emitting Diode display screen. Thomas Global Systems LLC - [STC ST04796NY](https://openairdocs.org/stc/ST04796NY): Installation of Cabin Connectivity. Delta Engineering Corporation - [STC ST00690DE](https://openairdocs.org/stc/ST00690DE): Installation of Electronic Cable Specialists, ECS EZMount Arm of Bombardier CL-600 Series Aircraft. Amphenol Cable and Interconnect Technologies Inc - [STC ST02586AK](https://openairdocs.org/stc/ST02586AK): Approval of the Thomas Global Systems TFD-4000/4100 Active Matrix Liquid Crystal Display. ADS-B Technologies - [STC ST01626LA](https://openairdocs.org/stc/ST01626LA): Installation of AirWorks Cockpit Door Surveillance Systems. Aero Technik Inc - [STC ST02986NY](https://openairdocs.org/stc/ST02986NY): Installation of an Alternate Power Source (APS-01) for DC Service Bus. Securaplane Technologies Inc - [STC ST01833WI](https://openairdocs.org/stc/ST01833WI): Modification of a Rockwell Collins Global Positioning System (GPS) installation. Rockwell Collins Inc - [STC ST00215IB](https://openairdocs.org/stc/ST00215IB): Installation of saf-Tglo ECO Photoluminescent Aisle Path Marking Systems. STG AEROSPACE GERMANY GmbH - [STC ST01936WI](https://openairdocs.org/stc/ST01936WI): Installation of LED lights. AeroLED's Holdings LLC - [STC ST03424CH](https://openairdocs.org/stc/ST03424CH): Certification of Automatic Dependent Surveillance - Broadcast (ADS-B) Out System with Rockwell Collins TDR-94/-94D Transponders. CMD Flight Solutions LLC - [STC ST01012WI](https://openairdocs.org/stc/ST01012WI): Installation of an Emergency Vision Assurance System (EVAS). VisionSafe LLC - [STC ST00489IB](https://openairdocs.org/stc/ST00489IB): Modification and Installation of Lavatory Countertop, Toilet Shroud, Floor Pan, and Sink Light. GAL Aviation Inc - [STC ST04839NY](https://openairdocs.org/stc/ST04839NY): Installation of LED Position/Anti-Collision Lights. Sterling Helicopter - [STC ST04624CH](https://openairdocs.org/stc/ST04624CH): Installation of Astronics In-Seat Power System. Astronics Armstrong Aerospace - [STC ST04562NY](https://openairdocs.org/stc/ST04562NY): Installation of saf-Tglo® SuperSeal UltraLite-X (SSUL-X) Photoluminescent Floor Proximity Emergency Escape Path Marking Systems. STG AEROSPACE GERMANY GmbH - [STC ST03034AT](https://openairdocs.org/stc/ST03034AT): Installation of the Honeywell Dual Laser Ref V Inertial Reference System (IRU’s). Chippewa Aerospace, Inc - [STC ST00098IB](https://openairdocs.org/stc/ST00098IB): Introduction of ADS-B Out. STC Twenty One Limited - [STC ST04399AT](https://openairdocs.org/stc/ST04399AT): Installation of the B/E Aerospace/EMTEQ LED Lights in the Lavatories. Woven Electronics LLC - [STC ST03663AT](https://openairdocs.org/stc/ST03663AT): Installation of an Artex C406-2 Emergency Locator Transmitter (ELT). Woven Electronics LLC - [STC ST01705SE](https://openairdocs.org/stc/ST01705SE): Installation of the ELDEC Battery Charger Part number 81-025-01 per Master Data List MDLST 81-025-01, Revision C, Release Date September 10, 2008 or later Federal Aviation Administration Approved Revisions. ELDEC Corporation - [STC ST02293SE](https://openairdocs.org/stc/ST02293SE): Installation of a Crane Aerospace & Electronics Tire Sensor Assembly. ELDEC Aerospace Corp - [STC ST04656NY](https://openairdocs.org/stc/ST04656NY): YC Seat Literature Pocket Modification must be installed. AKKA Groupe Amerque du Nord Inc - [STC ST03422NY](https://openairdocs.org/stc/ST03422NY): Update of Intelsat components. Delta Engineering Corporation - [STC ST04177AT](https://openairdocs.org/stc/ST04177AT): Installation of a Talon Aerospace LED Replacement General Purpose Lamps. Aaxico Technical Services Inc All 139: https://openairdocs.org/aircraft/N821SK/stcs.md ## Related - Other Bombardier CL-600-2D24 aircraft: https://openairdocs.org/model/bombardier-cl-600-2d24/aircraft.md - The GE CF34-8C5 engine: https://openairdocs.org/engine/ge-cf34-8c5.md --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.