As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LIGHT CORROSION FOUND ON INTERNAL DOUBLER FOR DRAIN MAST FWD OF FRAME X32. REPLACED EXTERNAL DOUBLER, INTERNAL DOUBLER AND PLATE ASSY'S PN 853228855-101 85328856-101 AND 85328857-001 WITH NEW PARTS IAW SRM 51-40-07-02-01, 51-23-00-00-01 AND 51-42-05-02-01 APPLIED ALLUMIZED PAINT TO INTERNAL SURFACE IAW SRM 51-25-25-02-01.