Debris Examination Item 19: Difference between revisions
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<h5>Item 19 - Right Outboard Flap</h5> | <h5>Item 19 - Right Outboard Flap</h5> | ||
<p>Item No. 19 was found on 21 June 2016 in Pemba Island, East of Tanzania. This is the largest piece found after the flaperon and has been determined to be part of the inboard section of the right outboard flap of a B777. The Italian part manufacturer build records for the numbers located on the part <i>confirm</i> that all of the numbers relate to the same serial number outboard flap that was shipped to Boeing as line number 404. Aircraft line number 404 was delivered to MAS and registered as 9M-MRO. </p> | <p>Item No. 19 was found on 21 June 2016 in Pemba Island, East of Tanzania. This is the largest piece found after the flaperon and has been determined to be part of the inboard section of the right outboard flap of a B777. The Italian part manufacturer build records for the numbers located on the part <i>confirm</i> that all of the numbers relate to the same serial number outboard flap that was shipped to Boeing as line number 404. Aircraft line number 404 was delivered to MAS and registered as 9M-MRO. </p> | ||
<p>A fibreglass and aluminium seal pan located at the inboard end of this outboard flap was found damaged. Two adjacent aluminium stiffeners within this inboard seal pan area also exhibited damage which was due to impact. </p> | <p>A fibreglass and aluminium seal pan located at the inboard end of this outboard flap was found damaged. Two adjacent aluminium stiffeners within this inboard seal pan area also exhibited damage which was due to impact. </p> | ||
Revision as of 05:05, 14 September 2025
Debris Examination Item
Safety Investigation Report (2018) Appendix 1.12O
Summary
Item 19 - Right Outboard Flap
Item No. 19 was found on 21 June 2016 in Pemba Island, East of Tanzania. This is the largest piece found after the flaperon and has been determined to be part of the inboard section of the right outboard flap of a B777. The Italian part manufacturer build records for the numbers located on the part confirm that all of the numbers relate to the same serial number outboard flap that was shipped to Boeing as line number 404. Aircraft line number 404 was delivered to MAS and registered as 9M-MRO.
A fibreglass and aluminium seal pan located at the inboard end of this outboard flap was found damaged. Two adjacent aluminium stiffeners within this inboard seal pan area also exhibited damage which was due to impact.
Source: Safety Investigation Report 2018:1 Factual Information/1.12/1.12.3 SIR-2018
Source: Safety Investigation Report 2018 Appendix 1.12O SIR-APP-SET5