As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING MAINTENANCE VISIT FRAME AT BS 1480 BETWEEN STRINGERS S5-27 LT WAS FOUND TO BE DENTED. (DAMAGE EXCEEDS ALLOWABLE LIMITS IAW B757-200 SRM 53-00-07 FIG 101. NO DENTS ALLOWED IN FRAME FLANGE) FRAME TO BE REPAIRED IAW B757-200 SRM FIG 201 DETAIL I. CAUSE OF DEFECT WAS UNDETERMINED. DOCUMENTED ON N/R 42811.