Airworthiness directives › 2012-24-01
AD 2012-24-01 Airworthiness Directives; Rolls-Royce Deutschland Ltd & Co KG Turbofan Engines
Applicability*9
This AD applies to Rolls-Royce Deutschland Ltd & Co KG (RRD) TAY 620-15 engines, serial numbers 17054, 17085, 17088, 17107, and 17166.
Compliance
Replacing the LPC fan blade set and the LPC fan disc is terminating action to the repetitive inspections required by this AD.
Required actions
The Manager, Engine Certification Office, FAA, may approve AMOCs to this AD. Use the procedures found in 14 CFR 39.19 to make your request.
Unsafe condition
Unless already done, do the following actions: (1) Before further flight after the effective date of this AD, perform a visual inspection and ultrasonic inspection of the LPC fan blades to determine general condition and/or the presence of cracks. (2) Thereafter, perform the inspections specified in paragraph (e)(1) of this AD within every additional 1,500 flight hours (FHs), but not fewer than 1,000 FHs. (3) If any fan blade is found cracked, replace the LPC fan blade set and the LPC fan disc before further flight.
Affected ADs
None.
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