Story corrected on 13 March to replace a reference of “aft-pressure bulkhead” with “forward-pressure bulkhead”.

The issue involves tiny gaps that could be present in the plane's dome-shaped forward-pressure bulkhead, which is located at ...

Mechanics were improperly drilling holes in the aft (rear) pressure bulkhead of the MAX — an issue he is said to have flagged with the management. Nothing was done at the time, he said ...