What was found
GOUGE IN LT UPPER INSPAR WING SKIN UPPER SURFACE ABOVE AFT SPAR AT WBL 77L REPAIRED IN ACCORDANCE WITH MESSAGE NOS. KFC-ATR-11-0002-01C, DATED JUNE 23, 2011, KFC-ATR-11-0002-07B, DATED JUNE 29, 2011, KFC-ATR-11-0002-08C, DATED JULY 4, 2011 AND BOEING APPROVED FAA FORM 8100-9, DATED JULY 6, 2011. UT THICKNESS CARRIED OUT IN ACCORDANCE WITH BOEING 737 NDT MANUAL D6-37239, PART 4, 51-00-00, FIGURE 3. LT WING NOMINAL OF 0.175, LOWEST READING 0.157 (NDT11-0799). REFERENCE NON-ROUTINE WORK ORDER NR. 1014369, DATED 04 JULY 2011.