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Airworthiness Directive 97-06-13

recurring
Official AD 97-06-13 · FR doc 97-10469 · 1997-04-30 · turbine engine

Airworthiness Directives; Rolls-Royce plc RB.211 Trent 800 Series Turbofan Engines

What this AD requires

This amendment adopts a new airworthiness directive (AD) that is applicable to Rolls-Royce plc RB.211 Trent 800 series turbofan engines. This action requires initial and repetitive visual and fluorescent penetrant inspections (FPI) of the angled drive upper shroud tube for frettage and cracking, initial and repetitive visual inspections and FPI for cracking, a one-tine FPI for porosity of the intermediate gearbox housing (IGH), and initial and repetitive visual inspections for cracking of the external gearbox lower bevel box (LBB) housing. In addition, this action requires initial and repetitive master magnetic chip detector inspections. Finally, prior to initiation of Extended Range Twin-Engine Operations (ETOPS), or prior to September 30, 1997, whichever occurs first, this action requires installation of a redesigned angled drive upper shroud tube and a lower splitter fairing with revised sealing. This amendment is prompted by reports of loss of oil from the angle drive upper shroud tube, the IGH, the LBB, and by reports of bearing failures. The actions specified by this AD are intended to prevent loss of oil, which could cause an engine fire. This AD is also intended to prevent inflight engine shutdowns and airplane diversions caused by oil loss and from bearing failures.

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 97-06-13 applies to

MakesRolls-Royce
ModelsRB211 Trent 800

Whether AD 97-06-13 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 97-06-13 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.