What was found
*DTE*PERMANENT REPAIR (REPLACEMENT OF FR16 LT) ACCOMPLISHED AT PREVIOUS M2 CHECK, PER 586145-14 REV D. AT REV E STAGE 2 AND/OR STAGE 3 REPAIR APPROVAL ACHIEVED. NEW REPAIR ICA'S ARE IMPLEMENTED. *DTE* PER SECTION DTE III OF 586145-14 REV E,FR16 LHS CROSS BEAM JUNCTION AREA HOLES #1 THRU #16 ARE LIMITED TO 80,355 FC FROM SECTION VI (112,730 FC TOTAL FROM A/C FIRST FLIGHT). ADD'L ENG'G AUTHORIZATION REQUIRED FOR SERVICE BEYOND THIS LIMIT ASSOCIATED ER/A 31-586145 ADDED FOR AC 3159.