AD NUMBER: 2005-01-15R1
MANUFACTURER: Rolls Royce SUBJECT: Airworthiness Directive 2005-01-15
R1 SUMMARY: The FAA is revising an existing
airworthiness directive (AD) for Rolls-Royce plc (RR) RB211 Trent
875, 877, 884, 884B, 892, 892B, and 895 series turbofan engines
with certain part number (P/N) low pressure compressor (LPC) fan
That AD currently requires initial and repetitive ultrasonic
inspections of the fan blade dovetail roots and defines a specific
terminating action to the repetitive blade inspection requirements.
This AD requires the same actions but clarifies the terminating
action. We are issuing this AD to prevent multiple LPC fan blade
failures due to cracks, which could result in uncontained engine
failure and possible damage to the airplane.