As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PIT - DURING Q-1 CHECK, FOUND CORROSION ON SKIN UNDER NR 1 ADF ANTENNA. SEALANT MISSING AND EVIDENCE OF CORROSION UNDERNEATH (LEVEL 1 AND SUSPECT LEVEL 2). SPLICED REPAIR PER EA 33764 SKIN SPLICE REPAIR. CORROSION LEVEL 2, CORROSION TASK NR C50-53306. (M)