As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LOWER FUSELAGE BS 439-449 BETWEEN STR 29L-30L SKIN IS CORRODED AT FASTENERS AND TCAS ANTENNA DOUBLER. BLENDED CORROSION AND MATERIAL LOSS FOUND TO BE WITHIN LIMITS. (ORIG .080 REMAINING .076 LOSS .004). REF: B757-200 SRM 53-00-01 ALLOW DAM. 1 FIG 101, SHT 4, DETAIL II.