QANTAS Boeing 747-438ER VH-OEF arrived into Brisbane this morning as QF8 from Dallas-Fort Worth (depart Dallas-Fort Worth 1st August), however it was unable to operate the onward sector to Sydney due to a technical issue. Sister VH-OEH, which had arrived into Brisbane as QF16 from Los Angeles (depart Los Angeles 1st August) and which had been scheduled to operate QF51 to Singapore later was used to operate the QF8 Brisbane – Sydney sector.