AD 2018-20-12

final rule
Data completeness: 70%

Airworthiness Directives; Bombardier, Inc., Airplanes

AD Number
2018-20-12
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2018-0553
FR Citation
83 FR 52751

Applicability

TypeManufacturerModelDetails
aircraft Bombardier Various Airworthiness Directives; Bombardier, Inc., Airplanes

Unsafe Condition

Loose or damaged windshield heater terminal lugs, caused by fluid ingress between the windshields and side window posts, which could lead to burning of the lugs and cracking of the windshields, and could ultimately cause a loss of cabin pressure, resulting in an emergency descent.

AI-generated summary from the source AD text. Verify against the official source before acting.

Required Actions

Revising the maintenance or inspection program to incorporate maintenance review board (MRB) tasks for general visual inspections of the windshield moisture seal, re-torqueing the windshield heater terminal lugs, applying a coating to the windshield heater screw heads, doing a chemical cleaning of the wiring and components, doing a visual inspection of the wiring and components, doing an operational test of the pilot's and co-pilot's windshield heating system, and repair if necessary.

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

Before further flight

AI-generated summary from the source AD text. Verify against the official source before acting.

Affected Aircraft

Bombardier, Inc., Model DHC-8-102, -103, and -106 airplanes, Model DHC-8-200 series airplanes, and Model DHC-8-300 series airplanes.

AI-generated summary from the source AD text. Verify against the official source before acting.

Source: Official FAA Source ↗

Retrieved: Apr 4, 2026

Rights: U.S. Government Public Domain

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