What was found
DURING HEAVY MAINTENANCE FOUND LT PANEL SUPPORT FRAME 87- FRAME 90, LBL 42"-LBL 44" CORRODED. REMOVED 1 EA TEMP RIVET TO REMOVE CORROSION REF SRM 51-42-01. REMOVED CORROSION, MAX MATERIAL LOSS L=1.5, W=1, H=0.002, LOCATION 2" AFT OF FRAME 88, LBL 40. MATERIAL LOSS IS WITHIN ALLOWABLE LIMITS REF SRM 51-10-03, TYPE D BLEND OUT, REF 51-12-01. INSTALLED 1 RIVET, TREATED, PRIMED AND TOP COATED AREAS REF SRM 51-23-04, 51-23-05, 51-23-06. THIS ITEM HAS BEEN CLASSIFIED AS A LEVEL 2 CORROSION.