Service difficulty report · Engine · Boeing 737890

Difficulty date
July 21, 2023
Submitted
July 24, 2023
Operation
Air carrier
Aircraft
N564AS
Make and model
Boeing 737890
Aircraft serial
35103
Aircraft time
61,378 hours, 18,270 cycles
Engine
Cfmint CFM567B20
Engine time
45,021 hours, 12,981 cycles
Part
Engine
Condition
Damaged
Location
Left
Stage of operation
IN
How discovered
V
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 T/C SBCFM56-7B-72-1074-1, NOTED THE STAGE 3 J-HOOK EXHIBITS CONTACT, BUT NOT COMPLETELY THROUGH & MORE THAN A HALF OF ONE SHROUD LENGTH LONG & REMAINING THICKNESS IS LESS THAN 0.019 INCH @ 6:00 POSITION. #1 ENGINE. S/N: 804749. GROUNDED - YES. REMOVED ENGINE SN 804749. TRANSFERRED TO SASA HOP W/O # 1940145.