AD NUMBER: 2002-23-12
MANUFACTURER: Rolls Royce
SUBJECT: Airworthiness Directive 2002-23-12
SUMMARY: This amendment adopts a new airworthiness
directive (AD) that is applicable to Rolls-Royce Limited, Aero
Division-Bristol, S.N.E.C.M.A (RR) Olympus 593 Mk.
610-14-28 turbojet engines.
This action requires a one-time fluorescent
penetrant inspection (FPI) of certain rebroached stage 5 high
pressure compressor (HPC) disks, inspecting for cracks, and if
necessary, removing cracked disks from service. This amendment is
prompted by a manufacturer's analysis that concluded that the
rebroaching process failed to achieve the anticipated life before
being rejected for cracks and that the original cracks are not
being removed. The actions specified in this AD are intended to
prevent failure of the HPC stage 5 disk which could result in an
uncontained engine failure and damage to the airplane.
AD NUMBER: 2002-26-04
MANUFACTURER: Rolls Royce
SUBJECT: Airworthiness Directive 2002-26-04
SUMMARY: This amendment adopts a new airworthiness
directive (AD) that is applicable to certain serial number (SN)
Rolls-Royce Limited, Aero Division-Bristol, S.N.E.C.M.A. (RR)
Olympus 593 Mk.610-14-28 turbojet engines,
installed in BAe/SNIAS Concorde Type 1 airplanes. This action
requires second stage fuel pump endurance bench-testing if the pump
has not yet accumulated 50 flight hours since last installed and
the bearing assembly and or the rotating assembly were removed or
re-fitted during last pump removal. This amendment is prompted by a
report of second stage fuel pumps that were not endurance
bench-tested after having the bearing assembly and or the rotating
assembly removed or re-fitted, and then installed on engines in
service. The actions specified in this AD are intended to prevent a
fuel leak resulting in a sustained engine fire.
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