As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SUPPORT PLATE SUB-CONTRACTED FOR APPLICATION OF 'KARON' COATING IAW BOEING 757 CMM 32-21-49. PART RETURNED WITH C OF C AS HAVING C/W ORDER, HOWEVER, PROCESS APPLIED IS NOT KARON COATING. BOEING ADVISED NO OTHER APPROVED PROCESS AND THAT ONLY APPROVED VENDOR IS KAMATICS.