What was found
ENG #1 SIDE OF THRUST REVERSER HAS SKIN DAMAGE ON BOTTOM AFT OF FRAME ATTACHING PART P/N 14G0217-201 APPROXIMATELY 1.19” FROM EDGE OF TR 2-3 LAYERS OF COMPOSITE DELAM . LAYERS CRACK .52”. REMOVED FROM SERVICE. OPENED THE #1 ENGINE TRS REF E175AMM 78-30-01-910-801-A. 20295 REMOVED FASTENERS IN REPAIR AREA. CUTOUT DAMAGED PLY AND MESH. APPLIED 1 FILLER AND 1 REPAIR PLY IAW E175 SRM 51-71-09. 75720 APPLIED COPPER MESH AND REINSTALLED ALL FASTENERS REF ETD 2021-170-035546. 29490 RESTORED PAINT, REF ETD 2021-170-035546, SRM 51-23-00. CLOSED #1 ENG TRS IAW AMM TASK 78-30-01-910-802-A.. AIRCRAFT RETURNED TO SERVICE.