As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MCN - FOUND LEFT WING OUTBOARD AFT FLAP LOWER SURFACE HAS DISBONDED AREA 33" - 42" FROM INBOARD SIDE. REPAIRED LEFT WING OUTBOARD AFT FLAP LOWER SURFACE DISBONDED AREA 33" - 42" FROM INBOARD SIDE IAW B737-300 SRM 51-70-10, FIGURE 201, REPAIR 4.