Airworthiness Directive · Amendment 39-19446 · Ice and rain protection
Bombardier, Inc., Airplanes
This AD applies to Bombardier, Inc., Model DHC-8-102, -103, -106, -201, -202, -301, -311, and -315 airplanes, certificated in any category, serial numbers 003 through 672 inclusive.
We are adopting a new airworthiness directive (AD) for certain
Within 30 days after the effective date of this AD, revise the existing maintenance or inspection program, as applicable, to incorporate the applicable task identified in paragraphs (g)(1), (g)(2), and (g)(3) of this AD into the applicable program support manual (PSM) identified in table 1 to paragraph (g) of this AD, which is included in the existing maintenance or inspection program. The initial compliance time for the tasks are within 1,600 flight hours or 12 months, whichever occurs first after the effective date of this AD.
(1) de Havilland Inc. Dash 8 Series 100 Maintenance Task Card Task Number 5610/01, “General Visual Inspection of the Windshield Moisture Seal,” dated August 5, 2017.
(2) de Havilland Inc. Dash 8 Series 200 Maintenance Task Card Task Number 5610/01, “General Visual Inspection of the Windshield Moisture Seal,” dated August 5, 2017.
(3) de Havilland Inc. Dash 8 Series 300 Maintenance Task Card Task Number 5610/01, “General Visual Inspection of the Windshield Moisture Seal,” dated March 15, 2017.
| Airplane model | Maintenance requirements manual (MRM) |
|---|---|
| DHC-8-102, -103, and -106 | PSM 1-8-7 |
| DHC-8-201 and -202 | PSM 1-82-7 |
| DHC-8-301, -311, and -315 | PSM 1-83-7 |
After the maintenance or inspection program has been revised as required by paragraph (g) of this AD, no alternative actions (e.g., inspections) or intervals may be used unless the actions or intervals are approved as an alternative method of compliance (AMOC) in accordance with the procedures specified in paragraph (k)(1) of this AD.
Within 8,000 flight hours or 60 months, whichever occurs first after the effective date of this AD: Perform a chemical cleaning of the wiring and components, do a general visual inspection of the wiring and components for signs of cracking, erosion, wear, or other damage, re-torque the windshield heater terminal lugs, apply Humiseal coating to the screw heads of the windshield heater, and do an operational test of the pilot's and co-pilot's windshield heating system, in accordance with the Accomplishment Instructions of Bombardier Service Bulletin 8-30-41, Revision A, dated March 24, 2017. If the operational test fails, before further flight, do corrective actions, repeat the test, and do applicable corrective actions until the operational test is passed. If any cracking, erosion, wear, or other damage is found, before further flight, repair using a method approved by the Manager, New York ACO Branch, FAA; or Transport Canada Civil Aviation (TCCA); or Bombardier, Inc.'s TCCA Design Approval Organization (DAO). If approved by the DAO, the approval must include the DAO-authorized signature.
