What was found
MCI - DURING OP 16 MAINTENANCE CHECK, ON LOWER FUSELAGE, FOUND LONGERON 25L WITH CRACK AT FASTENER AT STA 256 FORMER FRAME. INSTALLED NEW LONGERON SECTION AND TWO LONGERON REPAIR SPLICES PER SRM 53-02, FIG 18. ACFT TT: 77,783 HOURS. ACFT TC: 84,471. (X)