What was found
FLT#2126, MLB-FLL. 'FUMES ODOR NOTED ON DESCENT FOR SEVERAL MINUTES. DECREASED AT HIGHER THRUST SETTING. FLT ATT'S REPORTED STRONG ODOR IN AFT CABIN; SEE LOG PAGE 4247507, ITEM 2 (ACCOMPLISHED ECS LEVEL B DECONTAMINATION IAW AMM 21-00-00-615-803. REF L/P # 4247508 ITEM #1 FOR OPERATIONAL TEST AND ASSURANCE) ECS LEVEL B DECONTAMINATION ACCOMPLISHED , OPS CHECK AND ASSURANCE TEST SATISFACTORY. COMPLIED WITH INFORMATION NOTICE 2017-T015 PER TSM 36-11-00.'