What was found
C-CK, CRACK BS 1183 BULKHEAD SKIN, AFT BAG COMPT WL 182 RBL 15. OVERSIZED HOLE BY .015625 TO REMOVE INDAT WL190 RBL 15.5 AND ACCOMP PER SRM 51-10-1, VERIFIED CRACK NOT VISIBLE NDT PROCEDURE HFEC B727, PER NDT MANUAL PART 6510000 FIG 4. NO CRACK IND. DRILLED OUT, INADVERT DRILL START RBL 16 WL 190 & INSTALLED FREEZE PLUG PER BOEING TELEX DHL-MIA-99-00006H. INSTALLED DOUBLER REPAIR BS 1183 BLKHDWL 182 RBL 15 PER SB 53-0175 & BOEING TELEX DHL-MIA-99-00003H AND DHL, MIA-99-00006 MATERIAL USED 7075 T6 .063 36X12 1/2. ALODINED & PRIMED PER SRM 51-10-2. INSTALLED SERRATED PLATE AT AFT AIRSTAIR DOOR PER SRM 51-30-2. INSTALLED LT & RT AFT AIRSTAIR ACCESS DOOR PER SRM 51-30-2. OPS CK IAW 52-62-10, N/R 3201.