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 1500 BETWEEN STRINGERS 26 AND 27 LT WAS FOUND TO BE DENTED. DAMAGE EXCEEDS ALLOWABLE LIMITS IAW B757 SRM 53-00-07 FIG 101. NO DENTS ALLOWED IN FRAME FLANGE. FRAME TO BE REPAIRED IAW B757-200 SRM 53-00-07 FIGURE 201 DETAIL I. CAUSE OF DEFECT WAS UNDETERMINED. DOCUMENTED ON NON-ROUTINE 42814.