What was found
WHILE ACFT WAS IN FOR HEAVY CHECK, FOUND CORROSION ON FRAME CLIP AT FRAME 85 BETWEEN STR 29R AND 28R. MAINTENANCE R & R CORRODED FRAME CLIP, PN 170-66064-001 AT FRAME 85 BETWEEN STR 29R AND STR 28R IAW ETD2016-170-081654 AND SRM 51-31-00, 51-41-01, 51-41-02. PROJECT NR 639RW-628, ITEM 3580 FOR WORK PERFORMED. ACFT REMAINS FOR COMPLETION.