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Airworthiness Directive 04-23927

recurring
AD 04-23927 · 2004-10-26 · airframe

Airworthiness Directives; Bombardier Model CL-600-2C10 (Regional Jet Series 700 & 701), and CL-600-2D24 (Regional Jet Series 900) Series Airplanes

What this AD requires

The FAA is correcting an error in an existing airworthiness directive (AD) that was published in the Federal Register on September 2, 2004 (69 FR 53609). The error resulted in inadvertent reference to inappropriate service information. We are also clarifying reference to a compliance threshold. This AD applies to certain Bombardier Model CL- 600-2C10 (Regional Jet Series 700 & 701), and CL-600-2D24 (Regional Jet Series 900) series airplanes. This AD requires revising the airplane flight manual to advise the flightcrew to monitor the fuel quantity in the center fuel tank throughout the flight. This AD also requires repetitive tests to detect a fuel leak between the wing fuel tanks and the center fuel tank; and further related investigative and corrective actions, if necessary. For certain airplanes, this AD also requires installation of flexible hoses and brackets in the fuel feed system. This AD also reduces the compliance times for the repetitive checks, requires replacement of primary fuel feed ejectors with new ejectors, and provides an optional center fuel tank empty procedure.

Repetitive inspection. Re-inspect. The next-due date/hours depend on this aircraft’s time in service — a records report computes it from the logbooks.

Which aircraft AD 04-23927 applies to

MakesBombardier
ModelsCL-600-2D24

certain

Whether AD 04-23927 actually applies to your aircraft (by serial and installed parts) and whether it’s already complied with comes from that aircraft’s records.

How AD compliance is recorded

A valid compliance record (14 CFR 43.9) states:

Method of compliance — The specific action taken (inspected, replaced, modified) and to what revision.
Date — When the work was done.
Aircraft time — Total time in service / tach at compliance — how recurring next-due is computed.
Signature & certificate — The A&P/IA who returned it to service, with certificate number.
Is AD 04-23927 complied with on your aircraft?

Tailplate reads a tail number’s logbooks and matches every applicable AD — including this one — to its compliance evidence, with recurring next-due dates computed.

Look up a tail number →Read the full directive (Federal Register)

Applicability is derived from the FAA directive corpus and is advisory, not a legal airworthiness determination. Compliance is established only from an aircraft’s actual records.