What was found
AFT CABIN UNDER FLOOR STRUCTURE, ZONES 171 - 172 HAS CORROSION ON INNER SKIN AT FRAME 66 BETWEEN STRINGERS 42L - 41L. REPLACED THE REINFORCEMENT DOUBLER IAW SRM 51-72-11, REV 118.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AFT CABIN UNDER FLOOR STRUCTURE, ZONES 171 - 172 HAS CORROSION ON INNER SKIN AT FRAME 66 BETWEEN STRINGERS 42L - 41L. REPLACED THE REINFORCEMENT DOUBLER IAW SRM 51-72-11, REV 118.