What was found
DURING HEAVY MAINTENANCE, CORROSION WAS DISCOVERED ON R2 PAX DOOR SILL FR 66 STR 23R OB SIDE 2EA HASTENER HOLES; R2 DOOR SILL OUT OF LIMITS IAW SRM 53-41-14-213-002, REMOVED AND REPLACED R2 SILL IAW 51-72-11, 51-42-11, AND 53-41-14 FIG 021. ALL WORK ACCOMPLISHED UNDER NR 440484/26654