What was found
DURING M-CHECK, FOUND AFT CARGO COMPARTMENT BS 1136 AT L26L FRAME HAS A HOLE IN IT ON TOP SIDE. FABRICATED REPAIR STRAP LOCATED, DRILLED, DEBURRED, TREATED PRIMED & INSTALLED STRAP IAW DC9-53-13-3, 51-10-4, 51-10-3, 51-30-5 AND NWA SRP DC-9-A-53-10-05-801-663A-A.