The FAA will Boeing 787 operators fly with inoperative “pressure burst discs” and burst-disc indicators on main and auxiliary power unit lithium-ion battery enclosures for as many as 21 flights before the devices must be fixed. The allowance is included in a June 20 update to the 787 minimum equipment list (MEL) that the FAA says aligns the document with FAA policy letters and increases dispatch flexibility for the 787. The burst disc safety equipment was included as part of the 787 ...


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