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Airworthiness Directive 97-23861

recurring
AD 97-23861 · 1997-09-09 · airframe

Airworthiness Directives; British Aerospace (Jetstream) Model 4101 Airplanes

What this AD requires

This amendment adopts a new airworthiness directive (AD) that is applicable to all British Aerospace (Jetstream) Model 4101 airplanes. This action requires repetitive functional testing of the main entrance door, cleaning and lubricating of the ``speed'' lock and ``G'' lock systems, and repair, if necessary. This amendment is prompted by reports of flight crews and ground crews being unable to open the main entrance door. The actions specified in this AD are intended to prevent inability of the main entrance door to open, which could delay or impede passengers exiting the airplane, or rescue personnel from entering the airplane during an emergency.

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 97-23861 applies to

MakesBritish Aerospace (Jetstream)
Models4101

applicability derived from the AD summary — confirm the model/serial from the records

Whether AD 97-23861 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 97-23861 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.