Japanese airline ANA has reported that a wiring fault has been detected on three of its Boeing 787 Dreamliner aircraft.
Japan Airlines Aircraft Engine Fire Fault
The fault is in the aircraft’s engine fire suppression system and according to ANA spokeswoman Megumi Tezuka had the potential to cause the wrong engine to be extinguished in the event of a problem.
It is thought that the wiring fault occurred during the manufacturing process.

Taking no chances Japan Airlines (JAL) recalled an aircraft flying to Helsinki in order for it to be checked.
All 10 JAL 787s are being checked along with the remaining 17 ANA aircraft.
The fire extinguisher problem is the latest in a series of high profile issues that have beset the Dreamliner since launch.