Service difficulty report · Engine · Boeing 737890

Difficulty date
March 2, 2023
Submitted
March 6, 2023
Operation
Air carrier
Aircraft
N534AS
Make and model
Boeing 737890
Aircraft serial
35202
Aircraft time
44,995 hours, 12,883 cycles
Engine time
45,007 hours, 12,888 cycles
Part
Engine
Part number
CFM567B273
Part serial
804679
Condition
Worn
Location
Right Wing
Part time
45,007 hours, 12,888 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

#1 ENG SN 804679 HPC STAGE 3 STATOR INNER HONEYCOMB SEAL AFT J-HOOK AT 12 O'CLOCK WORN OUT OF LIMITS. 008" REMAINING MATERIAL AND MOVE THAN HALF ONE SHROUD LENGTH LONG. REF ASA TC SBCFM56-7B-72-1074-1. GROUNDED - YES. REMOVED ESN 804679. REF ASA SHOP W/O # 1944792.