AD 98-20-23
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Bombardier Inc. | DHC-8-101 | Airworthiness Directives; Bombardier Model DHC-8-100, -200, and -300 Series Airplanes |
| aircraft | Bombardier Inc. | DHC-8-102 | Airworthiness Directives; Bombardier Model DHC-8-100, -200, and -300 Series Airplanes |
| aircraft | Bombardier Inc. | DHC-8-103 | Airworthiness Directives; Bombardier Model DHC-8-100, -200, and -300 Series Airplanes |
| aircraft | Bombardier Inc. | DHC-8-106 | Airworthiness Directives; Bombardier Model DHC-8-100, -200, and -300 Series Airplanes |
| aircraft | Bombardier Inc. | DHC-8-201 | Airworthiness Directives; Bombardier Model DHC-8-100, -200, and -300 Series Airplanes |
| aircraft | Bombardier Inc. | DHC-8-202 | Airworthiness Directives; Bombardier Model DHC-8-100, -200, and -300 Series Airplanes |
| aircraft | Bombardier Inc. | DHC-8-301 | Airworthiness Directives; Bombardier Model DHC-8-100, -200, and -300 Series Airplanes |
| aircraft | Bombardier Inc. | DHC-8-311 | Airworthiness Directives; Bombardier Model DHC-8-100, -200, and -300 Series Airplanes |
| aircraft | Bombardier Inc. | DHC-8-315 | Airworthiness Directives; Bombardier Model DHC-8-100, -200, and -300 Series Airplanes |
Unsafe Condition
Chafing of electrical wiring behind the lavatory could result in severe overheating, smoke in the flight deck and cabin, and possible injury to flightcrew or passengers.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Perform a one-time inspection of electrical wiring and wiring harness behind the lavatory per SB 8-24-50. If discrepancies are found, repair them and modify the wiring harness and lavatory forward panel. If no discrepancies, modify the wiring harness and lavatory forward panel prior to further flight.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 9 months after the effective date of this AD (October 27, 1998).
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Affected Aircraft
Bombardier Model DHC-8-100, -200, and -300 series airplanes, serial numbers 003 through 433 inclusive, except 031, 408, and 413.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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