Airworthiness Directive · Amendment 39-22284 · Turbine engine combustion section
Rolls-Royce Deutschland Ltd & Co KG (Type Certificate previously held by Rolls-Royce plc) Turbofan Engines
This AD applies to Rolls-Royce Deutschland Ltd & Co KG TAY 620-15 and TAY 650-15 model turbofan engines.
The FAA is adopting a new airworthiness directive (AD) for all Rolls-Royce Deutschland Ltd & Co KG (RRD) TAY 620-15 and TAY 650-15 model turbofan engines. This AD was prompted by reports of cracks on the high-pressure turbine (HPT) stage 2 intermediate air seal attachment bolts (attachment bolts). This AD requires repetitive inspections of the HPT stage 2 intermediate air seal and attachment bolts and, depending on the results of the inspections, replacement of attachment bolts and the HPT stage 1 and stage 2 rotor disks, as specified in a European Union Aviation Safety Agency (EASA) AD, which is incorporated by reference. The FAA is issuing this AD to address the unsafe condition on these products.
Except as specified in paragraphs (h) and (i) of this AD: Perform all required actions within the compliance times specified in, and in accordance with, European Union Aviation Safety Agency (EASA) AD 2022-0184, dated September 2, 2022 (EASA AD 2022-0184).
(1) Where EASA AD 2022-0184 requires compliance from its effective date, this AD requires using the effective date of this AD.
(2) Where EASA AD 2022-0184 requires replacement of all damaged parts, this AD requires replacing cracked attachment bolts and HPT stage 1 and stage 2 rotor disks that show evidence of wear from broken attachment bolts.
(3) Where the service information referenced in EASA AD 2022-0184 specifies to replace the engine and send the removed engine to an approved TAY overhaul facility if indications of damage are found, this AD requires replacing cracked attachment bolts and HPT stage 1 and stage 2 rotor disks that show evidence of wear from broken attachment bolts.
(4) This AD does not adopt the “Remarks” paragraph of EASA AD 2022-0184.
Although the service information referenced in EASA AD 2022-0184 specifies to submit certain information to the manufacturer, this AD does not include that requirement.
The aircraft, engines and makers this AD names, by the model designations in its text. A model listed here may still be outside the AD's serial ranges.
Engines
