What was found
LEFT WW UPPER CTR KEEL BEAM AT FS 990, LBL 10 CORRODED AT L ANGLE AS SEEN FROM LADDER LOOKING DOWN BEHIND MAIN BODY DOOR. REMOVED CORROSION IAW SRM 53-50-12 & WORKED B653-60948-MR TO RESTORE STRUCTURE. PN 145T8611T1, PART NAME KEEL CHORD, SN NSN, CORRODED, EXACT FS & BS LOC ACFT STA 990, EXACT STRINGER & WS LOC ON ACFT LBL 10. ACFT WAS GNDED.