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Airworthiness Directive 2000-02-22

recurring
Official AD 2000-02-22 · FR doc 00-2089 · 2000-02-03 · airframe

Airworthiness Directives; Boeing Model 747-400 Series Airplanes Equipped with Rolls-Royce RB211-524G/H and RB211-524G-T/H-T Engines

What this AD requires

This amendment adopts a new airworthiness directive (AD), applicable to certain Boeing Model 747-400 series airplanes. This action requires installation of a modification of the thrust reverser control and indication system and wiring on each engine; and repetitive operational checks of that installation to detect discrepancies, and repair, if necessary. This amendment is prompted by the results of a safety review, which revealed that in-flight deployment of a thrust reverser could result in a significant reduction in airplane controllability. The actions specified in this AD are intended to ensure the integrity of the fail-safe features of the thrust reverser system by preventing possible failure modes, which could result in inadvertent deployment of a thrust reverser during flight, and consequent reduced controllability of the airplane.

Repetitive inspection. Re-inspect every 3000 hours. The next-due date/hours depend on this aircraft’s time in service — a records report computes it from the logbooks.

Which aircraft AD 2000-02-22 applies to

MakesBoeing
Models747

Applies to Boeing 747 airplanes identified in the (truncated) preceding applicability provision, including those previously modified/altered/repaired in the affected area. Requires installing an additional thrust reverser locking system on each engine (Boeing SB 747-78-2158 Rev 2 and Rolls-Royce RB.211-78-9601 Rev 5 / RB.211-78-B207), plus concurrent fuel-temperature-indicating-system and CMCS modifications (Boeing SB 747-73-2052 Rev 1, 747-45-2007, 747-45-2016 Rev 1) and provisional locking-system wiring (Boeing SB 747-78-2121, 747-78-2157 Rev 2); constitutes terminating action for AD 94-15-05 inspections/tests.

Whether AD 2000-02-22 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 2000-02-22 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.