As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FOLLOWING CLEANING AND AIR PRESSURE DRYING OF UPPER HSG THE TECH NOTICED THAT THE PROTECTIVE COATING STARTING TO PEEL AWAY AT 4 AREAS INTERNALLY AT TOP PORTION OF HSG. THIS WAS VIEWED BY HSI DURING THEIR AUDIT VISIT. COMPANY SQID REPORT NR IS 09-06199.