Is AD 2004-26-10 a recurring Airworthiness Directive?

Yes — AD 2004-26-10 requires a repetitive inspection. Next-due depends on the aircraft's time in service.

Airworthiness Directive 2004-26-10

Q: Which aircraft does AD 2004-26-10 apply to?

AD 2004-26-10 applies to Rolls-Royce Deutschland Ltd. & Co Kg — models Tay 611-8, Tay 620-15, Tay 620-15/20, Tay 650-15, Tay 650-15/10, Tay 651-54, Tay. Serial/part conditions may narrow it to specific aircraft.

recurring

Official AD 2004-26-10 · FR doc 05-40 · 2005-01-06 · turbine engine

Airworthiness Directives; Rolls-Royce Deutschland (RRD) (Formerly Rolls-Royce, plc) Tay 611-8, Tay 620-15, Tay 620-15/20, Tay 650-15, Tay 650-15/10, and Tay 651-54 Turbofan Engines

What this AD requires

The FAA is superseding an existing airworthiness directive (AD) for certain RRD Tay 611-8, Tay 620-15, Tay 620-15/20, Tay 650-15, Tay 650-15/10, and Tay 651-54 turbofan engines with ice-impact panels installed in the low pressure (LP) compressor case. That AD currently requires visually inspecting all ice-impact panels and fillers in the LP compressor case for certain conditions, and if necessary, replacing any ice-impact panels and fillers that have those conditions. This AD requires initial and repetitive visual inspections of all ice-impact panels and fillers in the LP compressor case for certain conditions and replacing as necessary, any or all panels. This AD also introduces a new compliance date of no later than March 1, 2005, to have all but one engine on each airplane in compliance with the polysulfide bonding of panels. This AD results from RRD issuing two service bulletins since AD 2004-05-22 was published, that required repetitive visual inspections of panels, and defines a minimum configuration and repair standard. We are issuing this AD to prevent release of ice-impact panels due to improper bonding that can result in loss of thrust in both engines.

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 2004-26-10 applies to

MakesRolls-Royce Deutschland Ltd. & Co Kg

ModelsTay 611-8, Tay 620-15, Tay 620-15/20, Tay 650-15, Tay 650-15/10, Tay 651-54, Tay

Applies only to engines that have one or more ice-impact panels installed in the low pressure (LP) compressor case conforming to Rolls-Royce plc Service Bulletin No. TAY-72-1326 standard. These engines are installed on, but not limited to, Fokker F.28 Mk.0070 and Mk.0100 series airplanes, Gulfstream Aerospace G-IV series airplanes, and Boeing 727-100 series airplanes modified per STC SA8472SW (727-QF).

Whether AD 2004-26-10 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 2004-26-10 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.