What was found
DURING HEAVY MAINTENANCE, CORROSION WAS DISCOVERED ON CABIN FLOOR STRUCTURE DUMMY RAIL Y-189 AT FR20+3; REMOVED AND REPLACED DUMMY RAIL AT Y189 FR20=3 IAW 51-42-11/51-74-00, ALL WORK ACCOMPLISHED UNDER NR 440484/26701
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING HEAVY MAINTENANCE, CORROSION WAS DISCOVERED ON CABIN FLOOR STRUCTURE DUMMY RAIL Y-189 AT FR20+3; REMOVED AND REPLACED DUMMY RAIL AT Y189 FR20=3 IAW 51-42-11/51-74-00, ALL WORK ACCOMPLISHED UNDER NR 440484/26701