Service difficulty report · Blade · Boeing 737*

Difficulty date
January 10, 2014
Submitted
September 14, 2015
Operation
General aviation
Make and model
Boeing 737*
Aircraft time
22,886 hours
Engine
Cfmint CFM567B22
Part
Blade
Part number
1957M10P03
Condition
Cracked
Location
Hp Turbine
Part time
22,894 hours
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

(CAN) ESN 893898 WAS REMOVED FOR A PROACTIVE O/H. DURING THE FLOURESCENT PENETRANT INSPECTION OF THE HIGH PRESSURE TURBINE ROTOR BLADES, IT WAS DISCOVERED THAT QUANTITY 13 BLADES EXHIBITED CRACKING AT THE MINIMUM NECK POINT ON THE FIRTREE AT THE CONVEX LOWER POINT.