What was found
*DTE* PERMANENT REPAIR (REPLACEMENT OF FR16 LT) ACCOMPLISHED AT PREVIOUS M2 CHECK, IAW 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 II OF 586145-14 REV E, FR16 LHS DBL JGL AREA HOLES NR 1 - 19 (EXCEPT HOLES NR 11 & 12) AND HOLES A, B, C, & D ARE LIMITED TO 49,252 FC FROM SECTION VI (80,991 FC TOTAL FROM ACFT FIRST FLIGHT). ADDITIONAL ENG'G AUTHORIZATION ASSOCIATED ER/A 31-586145 ADDED FOR ACFT 3159 REQUIRED FOR SERVICE BEYOND THIS LIMIT. (LP: 1692778, AIRCRAFT WAS GROUNDED).