Solution : https://service.sap.com/sap/support/notes/986945 (SAP Service marketplace login required)
Key words : 
message 'job ended abnormally', /400 iseries i5/os reason, <sid>ofr fails, terms apyr3fix as400, prerequisites ibm delivers, operating system release, latest kernel patch, public     exclude qsys, kernel release 7, qsys/rstlib
Related Notes : 
       
| 1310133 | IBM i: Loading a 7.01 kernel using LODSAPKRN | 
| 912575 | iSeries: Using LODSAPKRN to load a 7.00 kernel |