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Airworthiness Directive

AD 2013-16-25 78 FR 53633 Active

Federal Aviation Administration · 14 CFR part 39

FR document
2013-19830
Amendment
39-17563
Published
2013-08-30
Effective
2013-10-04
Models covered
1
Last live check
2026-10-03

Printed from https://aircraftdirectives.com/ad/2013-16-25 · AircraftDirectives restates official FAA and manufacturer records; the official sources named on this sheet control. Not an airworthiness determination.

This page is a reference Record, not an airworthiness or compliance determination. Official FAA and manufacturer sources control over our restatement, subject to governing law. Check applicability, current requirements and incorporated documents before acting. The owner or operator remains responsible for airworthiness and required records under 14 CFR 91.403 and 91.417, as applicable. Terms of Use: /terms.

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AD

2013-16-25

FR doc 2013-19830 · 78 FR 53633

AD 2013-16-25Published 2013-08-30Effective 2013-10-04

FAA rule - 14 CFR 39

FAA rule. Compliance with an applicable AD is required under 14 CFR 39.7. Check its effective date, applicability, compliance times and current status.

Requires replacing all three APDs with new detector assemblies.

Full official abstract

We are adopting a new airworthiness directive (AD) for certain Bombardier, Inc. Model DHC-8-400 series airplanes. This AD was prompted by reports of advance pneumatic detectors (APDs) for engine fire/ overheat detector assemblies failing to reset after activation due to permanent deformation of the detector switch diaphragm after being exposed to high temperatures. This AD requires replacing all three APDs with new detector assemblies. We are issuing this AD to prevent a continued engine fire indication in the cockpit after the actual fire has been extinguished, which is misleading and might influence the pilot to conduct a potentially hazardous "off-airport" landing.

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All de Havilland DHC-8 Dash 8 directives

View on Federal Register (opens in a new tab) View this AD in FAA DRS (opens in a new tab)

Applies to 1 model in our index