以下哪项属于维修单位设备设施类重大隐患？

227 Equipment without significant effect on the weight or balance of the airplane need not be listed

226 Trichloroethylenelis a health hazard.

225 For purposes of this specification, “airplane”refers to the airframe and related components specified in the Type Certificate or made available as options by the airplane manufacturer.

224 这项工作不适用于垂直安装

223 Thislimiting rate-of-climb valueshall be identified clearly on the chart along with the powerand configuration conditions

222 在断开组件之前,先将系统进行排气。

221 Although the airplanes addressed inthis document are out of production, ABC continues to support them as outlined in lour stated company polices

220 CAUTION WHEN YOU REMOVE THE PROBES DO NOT LET THEM TOUCH EACH OTHER.

219 The Specification contains little new material or novel appronches

218 使压力接头适应皮托管端头。