Service difficulty report · Guide Vane · Boeing 737890

Difficulty date
June 21, 2021
Submitted
June 22, 2021
Operation
Air carrier
Aircraft
N563AS
Make and model
Boeing 737890
Aircraft serial
35180
Aircraft time
53,187 hours, 15,699 cycles
Engine
Cfmint CFM567B27
Engine time
53,187 hours, 15,699 cycles
Part
Guide Vane
Part number
CFM567B27
Part serial
894276
Condition
Cracked
Location
Rt Engine
Part time
53,187 hours, 15,699 cycles
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

WHILE ACCOMPLISHING REINSPECT OF 1ST STAGE LPT NOZZLE ON #2 ENGINE LPT NOZZLE GUIDE VANES NOTED NEW DAMAGE, REF DEFECT 11749118. NEWER DAMAGE HAS 2 RADIAL CRACKS ON 1 AIRFOIL. PER AMM TASK 72-00-00-200-811-F00 15, F, 2) D) 5 EACH AIRFOIL CAN ONLY HAVE 1 RADIAL CRACK. ENGINE REQUIRES REPLACEMENT. GROUNDED - YES. REMOVED AND REPLACED #2 ENGINE. TRANSFERRED DEFECT TO EBU SHOP W/O # 1876569 N/R #00002.