What was found
DURING M-CHECK FOUND MAIN PASSENGER CABIN STA 160 LONG 2 IS CRACKED. REMOVED L2L FWD CLIP AND CUT OUT 23 INCHES SECTION OF L2L IAW DC9-50 SRM 51-30-2, 51-30-5, 51-10-2 NDT. VERIFIED CRACK CONTAINED IN CUTOUT IAW HPEC INSPECTION NDT SPM 06-10-07. RECEIVED NEW LONGERON 23 INCHES P/N S2777922-3 AND SPLICE P/N 00-0210-3- IAW DC9-50 SRM 53-13-1 FIG 3, 53-02 FIG 18 AND 51-10-1 FIG 36 CUT, TRIMMED, LOCATED, DRILLED AND INSTALLED PARTS IAW DC9-50 SRM 51-10-2, 51-10-4, 53-02 FIG 18, 51-30-5 R.