| 2018-20-12 | Ice and rain protection | Nov 23, 2018 | Airframe (DHC-8-315)Certain serial numbers: 003–672 |
| 2017-15-11 | Landing Gear | Sep 5, 2017 | Airframe (DHC-8-315)Certain serial numbers: 003–672. Only with: Equipped with MLG retraction actuator assembly P/N 10500-101, -103, -501, -551, or -553. |
| 2017-08-02 | Ignition | May 17, 2017 | Airframe (DHC-8-315)Certain serial numbers: 003–672. Only with: Bombardier ModSum 8Q100813 or Bombardier Service Bulletin 8-74-02 incorporated. |
| 2016-24-06 | Ice and rain protection | Jan 12, 2017 | Airframe (DHC-8-315)Certain serial numbers: 003–672 |
| 2016-24-01 | Electrical Power | Dec 30, 2016 | Airframe (DHC-8-315)Certain serial numbers: 003–672. Only with: Terminal block part number 82450075-001 installed. |
| 2016-10-07 | Electrical power | Jun 23, 2016 | Airframe (DHC-8-315)Certain serial numbers: 003–672 |
| 2015-21-02 | Electrical Power | Nov 24, 2015 | Airframe (DHC-8-315)Certain serial numbers: 003–672 |
| 2015-14-03 | Fuel | Aug 21, 2015 | Airframe (DHC-8-315)Certain serial numbers: 003–624; 626 |
| 2015-04-08 | Landing Gear | Apr 27, 2015 | Airframe (DHC-8-315)Certain serial numbers: 003–672 |
| 2013-15-06 | Electrical Power | Oct 20, 2014 | Airframe (DHC-8-315)Certain serial numbers: 003–on |
| 2014-15-07 | Wings | Sep 2, 2014 | Airframe (DHC-8-315)Certain serial numbers: 003–672 |
| 2014-13-18 | Instruments; Code 76, Engine Controls | Aug 19, 2014 | Airframe (DHC-8-315)Certain serial numbers: 003–672. Only with: Beta warning horn (BWH) (Mod 8/2852) incorporated; excludes airplanes with Bombardier option CR873CH00003, CR873CH00005, CR873SOO8112, or MS8Q902206 incorporated. |
| 2014-05-17 | Fuel | May 2, 2014 | Airframe (DHC-8-315)Certain serial numbers: 002–672 |
| 2013-22-04 | Flight controls | Dec 5, 2013 | Airframe (DHC-8-315)Certain serial numbers: DHC-8-102 003–672; DHC-8-103 003–672; DHC-8-106 003–672; DHC-8-201 003–672; DHC-8-202 003–672; DHC-8-301 003–672; … |
| 2013-14-09 | Landing gear | Sep 10, 2013 | Airframe (DHC-8-315)Certain serial numbers: 003–on |
| 2013-04-07 | Electrical Power | Apr 9, 2013 | Airframe (DHC-8-315)Certain serial numbers: 002–672 |
| 2012-04-08 | Flight controls | Apr 10, 2012 | Airframe (DHC-8-315)Certain serial numbers: DHC-8-102 003–672; DHC-8-103 003–672; DHC-8-106 003–672; DHC-8-201 003–672; DHC-8-202 003–672; DHC-8-301 003–672; … |
| 2011-26-05 | Bombardier, Inc. Airplanes | Jan 23, 2012 | Airframe (DHC-8-315)Certain serial numbers: 100–530 |
| 2011-21-04 | Bombardier Inc. Model DHC-8-102, -103, -106, -201, -202, -301, -311, and -315 Airplanes… | Nov 16, 2011 | Airframe (DHC-8-315)Certain serial numbers: 003–557. Only with: Equipped with cockpit door installation P/Ns 82510074 (all), 82510294 (all), 82510310-001, 8Z4597-001, H85250010 (all), 82510700 (all), or 82510704 (all except -502 and -503), per table 1 of this AD. |
| 2011-09-12 | Bombardier, Inc. Model DHC-8-101, -102, -103, -106, -201, -202, -301, -311, -315, -401… | Jun 6, 2011 | Airframe (DHC-8-315)Certain serial numbers: DHC-8-101 003–566; DHC-8-102 003–566; DHC-8-103 003–566; DHC-8-106 003–566; DHC-8-201 003–566; DHC-8-202 003–566; … |
| 2010-21-02 | Bombardier, Inc. Model DHC-8 Airplanes | Nov 12, 2010 | Airframe (DHC-8-315)Certain serial numbers: DHC-8-101 003–658; DHC-8-102 003–658; DHC-8-103 003–658; DHC-8-106 003–658; DHC-8-201 003–658; DHC-8-202 003–658; … |
| 2010-19-02 | Bombardier, Inc. Model DHC-8-200 and DHC-8-300 Series Airplanes | Oct 18, 2010 | Airframe (DHC-8-315)Certain serial numbers: 644–664 |
| 2010-04-12 | Bombardier, Inc. Model DHC-8-100 and DHC-8-200 Series Airplanes, and Model DHC-8-301… | Apr 8, 2010 | Airframe (DHC-8-315)Certain serial numbers: 003–on |