Service difficulty report · Turbine Wheel

Difficulty date
July 24, 2000
Submitted
October 19, 2000
Operation
General aviation
Engine
Garrtt TPE33110U
Part
Turbine Wheel
Part number
31081821
Condition
Broken
Location
T/E Of Blade
Part time
3,796 hours, 4,836 cycles
Component
Turbine Module · Garrtt · 310355011
Stage of operation
IN
How discovered
V
Nature of condition
O
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

(CAN) ENGINE REMOVED FOR HIGH TAXI AND GROUND IDLE SNAG. DISASSEMBLY REVEALED NR 1 COMPRESSOR IMPELLER HAD A PIECE BROKEN OUT OF THE TRAILING EDGE OF 1 BLADE .085 INCH UP FROM THE PLATE .480 INCH FROM THE OUTER RIM OF THE PLATE. THE RESULTING DAMAGE DOWN STREAM FROM THE NR 1 IMPELLER IS EXTENSIVE. IT CONSISTS OF 3101829 SHROUD, 3103496 DIFFUSER, 893482, NR 2 IMPELLER, 893384 DIFFUSER, 3102022 HOUSING, 3108164-2 NR 1 ROTOR, 3102106-10 NR 2 ROTOR, 3102655-2 NR 3 ROTOR, 3101513-17 STATOR, 3101515-6 STATOR, 5 OF 3101846 NOZZLE SEGMENTS, 12 OF 3103128 SHROUD SEGMENTS. (X)