Service difficulty report · Blade · Boeing 737*

Difficulty date
December 18, 2013
Submitted
September 14, 2015
Operation
General aviation
Make and model
Boeing 737*
Aircraft time
24,036 hours
Engine
Cfmint CFM567B22
Part
Blade
Part number
1957M10P03
Condition
Cracked
Location
Hp Turbine
Part time
23,922 hours
Stage of operation
IN
How discovered
D
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

(CAN) DURING THE PROACTIVE O/H OF ESN 893687, THE HIGH PRESSURE TURBINE ROTOR BLADES WERE FLORESCENT PENETRATE INSPECTED. IT WAS DISCOVERED THAT QTY -2 BLADES EXHIBITED CRACKING IN THE TRANSITION ZONE FORWARD COOLING CIRCUIT.