From the Independent link above they appear to have added a 5th item
Unite said its strike ballot was over the following outstanding issues.
:: The immediate restoration of staff travel concessions.
:: Binding arbitration through conciliation service Acas of all cabin crew disciplinary cases related to the original dispute.
:: The restoration of all earnings docked from crew who were genuinely off sick during strike dates.
:: Full and proper discussion of the trade union facilities agreement at the company with the immediate removal of all threats and sanctions made by BA in relation to this.
Unite said it was also in dispute with BA because of the introduction of staff on different terms and conditions without the agreement of the union.