What was found
CORROSION ON RAIL AT AFT CARGO BAY BS727D+6 RBL3 WL157 ; / [01] PREVIOUSLY REPAIR NOT ALLOWABLE DAMAGE PER SRM; [02] VERIFIED; [03] VERIFIED PREVIOUSLY REPAIR NOT ALLOWABLE DAMAGE PER SRM; [04] REMOVED DAMAGED U-CHANNEL AT ACB BS727D+6; RBL3 WL157 IAW SRM 51-00-53-2R-2; [05] REQUEST NDI TO CHECK FOR FREE CRACKS CONDITION ALONG THE CUT EDGES ON ACB RAIL BS 727D+6 RBL 3 WL 157 JOGGLE AREA.; [06] HFEC INSPECTED TRIMMED EDGE OF DAMAGE CUTOUT PER 737NDT PART 6 51-00-00 PROCEDURE 23. NO CRACKS FOUND. CAL ID IS000450 S/N N500D000M120071; [07] REPAIR APPLICABILITY- VERIFIED SRM 53-00-53-2R-2 REPAIR 2. ALTERNATIVE 5; FIG 203 DETAIL F IS APPLICABLE.; [08] VERIFIED SRM 53-00-53-2R-2 REPAIR 2. ALTERNATIVE 5; FIG 203 DETAIL F IS APPLICABLE.; [09] TRIMMED DAMAGED AREA L=3.2' X W= .9' UPPER FLANGE OF RAIL BEAM AT JOGGLE LOCATION IAW SRM 53-00-53-2R-2 PARAGRAPH 4 D.; [10] VERIFIED TRIM AT DAMAGED AREA L=3.2' X W= .9' UPPER FLANGE OF RAIL BEAM AT JOGGLE LOCATION IAW SRM 53-00-53-2R-2 PARAGRAPH 4 D; [11] ET INSPECTED CUT EDGE AND HOLES IAW 737 NDTM PART 6 51-00-00 PROCEDURE 23 AND PROCEDURE 16; NO CRACKS NOTED.<BR>CAL ID IS000450 N500D; [12] FABRICATED CHANNEL FROM BAC1510-1355 7050T76511 LOT # 1460992-1 LOCATED AND DRILLED IAW SRM CH 51-40-05. OK TO TREAT AND PRIME.;