As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) APROXIMATELY 1.25" LONG CRACK FOUND ON COMPRESSOR SCROLL EXTERIOR DURING ACFT DAILY INSPECTION. SCROLL PART AND SN WILL BE ADDED TO THIS SDR WHEN AVAILABLE. THIS WAS "THIN-WALL" TYPE SCROLL THAT HAS HISTORY OF CRACKING. THIS WAS LAST REMAINING THIN WALL SCROLL IN FLEET, ALL OTHER COMPRESSORS HAVE BEEN UPGRADED TO THICK WALL VERSION.