As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING ROUTINE INSPECTION OF ENGINE BLEED AIR PRECOOLER. THE LH PRECOOLER INLET GUIDE VANES WAS FOUND WITH CRACKS IN THE WELDS THAT SUPPORT THE VANE TO THE SIDE OF THE INLET DUCT. THIS WILL CAUSE THE VANE TO EVENTUALLY BREAK OFF AND FALL ON TOP OF THE PRECOOLER BLOCKING COOLING AIR FROM PROPERLY FLOWING THRU THE PRECOOOLER.