AD 89-19-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Bombardier Inc. | DHC-8-101 | Airworthiness Directives; Boeing Model DHC-8-100 and DHC-8-300 Series Airplanes |
| aircraft | Bombardier Inc. | DHC-8-102 | Airworthiness Directives; Boeing Model DHC-8-100 and DHC-8-300 Series Airplanes |
| aircraft | Bombardier Inc. | DHC-8-103 | Airworthiness Directives; Boeing Model DHC-8-100 and DHC-8-300 Series Airplanes |
| aircraft | Bombardier Inc. | DHC-8-106 | Airworthiness Directives; Boeing Model DHC-8-100 and DHC-8-300 Series Airplanes |
| aircraft | Bombardier Inc. | DHC-8-301 | Airworthiness Directives; Boeing Model DHC-8-100 and DHC-8-300 Series Airplanes |
| aircraft | Bombardier Inc. | DHC-8-311 | Airworthiness Directives; Boeing Model DHC-8-100 and DHC-8-300 Series Airplanes |
| aircraft | Bombardier Inc. | DHC-8-315 | Airworthiness Directives; Boeing Model DHC-8-100 and DHC-8-300 Series Airplanes |
Unsafe Condition
Improper installation of fire bottle squib wiring in the engine fire extinguishing system could result in incorrect activation of the fire extinguishing system during engine fire emergencies.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Within 70 hours time-in-service after the effective date, inspect and verify proper installation of fire bottle squib wiring per Service Bulletin A8-26-8. Within 120 hours time-in-service or 30 days after the effective date, install Modification 8/1336 per Service Bulletin 8-26-9. Correct wiring installation and verify proper wiring prior to further flight if sleeves are unreadable, damaged, or installation correctness is unconfirmed.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within the next 70 hours time-in-service after the effective date of this AD for inspection, and within the next 120 hours time-in-service or 30 days after the effective date, whichever occurs first, for installation of Modification 8/1336.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Boeing Model DHC-8-100 series and DHC-8-300 series airplanes, serial numbers 001 through 149, certificated in any category.
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
This site is not affiliated with or endorsed by the FAA. Always verify with official sources.