What was found
AFT CARGO BAY BS 1520, STRINGER 29R FRAME INBD FREE FLANGE, UPPER SURFACE DENTED. THE DENT AREA WAS BELOW LONGITUDINAL FLOOR SUPPORT. REMOVED DAMAGED AREA ON FRAME FREE FLANGE AND REPAIRED IAW PRI ER/A 560581-14, REV 0, & ER/A 560581-14, REV ORIGINAL.