What was found
DURING A C-CHECK, NR 4 SLAT CRACKED AT I/B & O/B OF ACTUATOR ROD ATTACH POINT (IN LIGHTENING HOLE). REMOVED AND REPLACED NR 4 SLAT WEB (RIBS) IAW B727 SRM 51-30-2, P/N 65-17276-9, PO441715 & P/N 65-17276 PO441715.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING A C-CHECK, NR 4 SLAT CRACKED AT I/B & O/B OF ACTUATOR ROD ATTACH POINT (IN LIGHTENING HOLE). REMOVED AND REPLACED NR 4 SLAT WEB (RIBS) IAW B727 SRM 51-30-2, P/N 65-17276-9, PO441715 & P/N 65-17276 PO441715.