Service difficulty report · Blade · Boeing 737890

Difficulty date
March 3, 2021
Submitted
March 16, 2021
Operation
Air carrier
Aircraft
N577AS
Make and model
Boeing 737890
Aircraft serial
35186
Aircraft time
50,310 hours, 14,965 cycles
Engine
Cfmint CFM567B27
Engine time
49,186 hours, 14,831 cycles
Part
Blade
Condition
Nicked
Location
Rt Engine
Stage of operation
IN
How discovered
B
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

REF T/C #78472022 SPECIAL DETAILED INSPECTION (SDI) (BORESCOPE - CFM56-7 ENG. HPT BLADES. FOUND 3 EACH LPT STAGE 1 NGV'S THAT HAVE CRACKS, 2 HOLES, AND INTERSECTED CRACK. 1 CRACK AT S17 PLUG, 2 CRACKS AT S16 PLUG. GROUNDED - YES. REMOVED AND REPLACED #2 ENGINE ESN 894362. DEFECT TRANSFERRED TO SHOP W/O 1866153.