As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
C5 CHECK - INTERIOR FRAME FLANGE AT STA 19.40 BETWEEN STRINGERS 32-31L HAS CORROSION. REMOVED CORROSION FROM FLANGE IAW SRM 51-21-00. MEASURED AFFECTED AREA MIN MATERIAL REMAINING .038" REF Q400 NTM 51-00-02-250-801. LOSS FOUND TO WITHIN LIMITS IAW RD 8/4-53-2344. CONFIRMED CRACK FREE CONDITION OF AFFECTED AREA REF Q400 NTM 51-00-01-250-801. ALODINED, PRIMED IAW SRM 51-21-10 AND 51-25-10.