What was found
IN REF AMDS: 2040-0009: OPEN LEFT WING, FUEL TANK ZONE 520, DURING REMOVED ACCESS PLATE NBR 520 MB; CUT OUT SKIN OF FUEL ACCESS PLATE 520MB WAS DRILLED AT LH WING. SUMMARY OF NRC 00104: CUT OUT SKIN OF FUEL ACCESS PLATE 520MB WAS REPAIRED PER SECTION I: TIME LIMITED REPAIR OF ER/A NO. 611899-14 REV. ORIGINAL AND PRI 611899-14 REV 1. TIME OF ACCOMPLISHMENT SEC DTE REPAIR APPROVAL IS LIMITED TO 24 MONTHS ONLY. ADDITIONAL ENGINEERING AUTHORIZATION (ER/A REVISION) IS REQUIRED FOR CONTINUED SERVICE BEYOND THIS LIMIT.