What was found
MCN - DURING C19 CHECK DISCOVERED SKIN CRACKED AT FASTENER HOLE AT STR 4L, BS 690 ON THE LOWER ROW OF FASTENERS. MAINTENANCE REPAIRED CRACKED SKIN AT FASTENER HOLE, BS 690, S4L IAW BOEING 737-300 SRM 53-00-01-2R31.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
MCN - DURING C19 CHECK DISCOVERED SKIN CRACKED AT FASTENER HOLE AT STR 4L, BS 690 ON THE LOWER ROW OF FASTENERS. MAINTENANCE REPAIRED CRACKED SKIN AT FASTENER HOLE, BS 690, S4L IAW BOEING 737-300 SRM 53-00-01-2R31.