AD NUMBER: 2005-20-23
MANUFACTURER: Rolls Royce
SUBJECT: Airworthiness Directive 2005-20-23
SUMMARY: The FAA is superseding an existing
airworthiness directive (AD) for Rolls-Royce plc (RR) RB211 Trent
875, 877, 884, 892, 892B, and 895 series turbofan engines. That AD
currently requires repetitive application of dry film lubricant
(DFL) to low-pressure compressor (LPC) fan blade roots.