SDR SWAA060318

Service difficulty report · Turbine Blades · Boeing 7373H4

Difficulty date
January 25, 2006
Submitted
January 27, 2006
Operation
Air carrier
Aircraft
N609SW
Make and model
Boeing 7373H4
Aircraft serial
27929
Aircraft time
35,411 hours, 30,208 cycles
Engine
Ge CFM563B1
Engine time
57,555 hours, 42,387 cycles
Part
Turbine Blades
Condition
Damaged
Location
Nr 2 Engine
Stage of operation
IN
How discovered
9
Nature of condition
O
Precautionary procedure
K

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

What was found

DURING SCHEDULED C4 CHECK, NR 2 ENGINE FAILED BOROSCOPE. FOUND 11 INCH BY 11 INCH HOLE IN HPT SHROUD. ALL HPT BLADES WORN TO CAP SHELF. FOUND 10 LPT BLADES DAMAGED BEYOND LIMITS. REMOVED AND REPLACED NR 2 ENGINE PER MM.

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