What was found
YXD - DURING C-CHECK, FOUND EXISTING REPAIR AT BS 927, STRINGER 18-19L NOT PER SRM 8.5 INCHES LONG BY 12 INCHES WIDE. REMOVED AND REPLACED DOUBLER AT BS 927, STRINGER 18-19L IAW SRM 53-30-3 WORK ACCOMPLISHED ON NON-ROUTINE NR 0331. (M)