What was found
DURING HEAVY MAINTENANCE: DEBONDED UPPER EXTERNAL SKIN I/B FLAP LOCATED AT 6.5 INCHES FROM INBOARD EDGE ON R/H WING; REF AEROMAN N/R 2023- 403383, REPAIRED UPPER SKIN I/B FLAP ON RH WING IAW EC# A23-652-01, EA# 57-0258-23, REV O, AND EA # 57-0258-23 PART 1. MAJOR REPAIR.