Fleet implement of design change

Fleet implement of design change

Nr. máls: M-00513/AIG-04
Staða máls: Lokuð
Farðu í skýrslu 13.08.2015

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The Icelandic Transportation Safety Board (ITSB) recommends to Boeing, to issue the planned service bulletin 757-SB57A0154 to support fleet wide replacement of the Blocking and Thermal Relief Valve Housing in co-operation with the actuator‘s manufacturer.


Boeing plans to release Boeing Alert Service Bulletin 757-SB-27A0154 on June 25 2016. In addition the FAA has issued Safety Recommendation 15.115, a Boeing 757 airplane level safety issue, mandating evaluation of the spoiler actuator's blocking and thermal relief valve housing failure to determine appropriate corrective action.