gōngzuò rényuán / zhèngzài / jiǎnchá / dēng / jī / láng / qiáo / zànshí / bú / ràng / chéngkè / tōngxíng工作人员正在检查登机廊桥,暂时不让乘客通行。Staff are inspecting the aircraft boarding bridge, so passengers are temporarily not allowed through.