Service difficulty report · Compressor

Difficulty date
June 30, 2025
Submitted
June 30, 2025
Operation
General aviation
Filed by
KC1R265K
Barnes Aerospace, Windsor Airmotive Division
Engine
Pwa
Part
Compressor
Part number
54H81601
Part serial
CENCAL5423
Condition
Cracked
Location
Engine
Part time
61,928 hours, 12,867 cycles
Component
H
Stage of operation
UK
How discovered
D
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

AS RECEIVED, CIRCUMFERENTIAL CRACKING WAS NOTED AROUND THE OUTER DIAMETER OF THE 12TH STAGE, WITH INTERMITTENT PARENT MATERIAL CRACKS ALIGNED PARALLEL IN THE RADIUS ADJACENT TO KNIFE EDGE #12 360 DEGREES. ADDITIONALLY, MULTIPLE CRACKS WERE FOUND IN THE 10TH STAGE ANTI-VORTEX TUBE DISK SHELF AND SUPPORT STRUCTURE.