Originally Posted by
Cows getting bigger
Indeed, poorly implemented risk assessments at design level. As for the firproof box and exhaust solution, one needs to ask the FAA whty they basically accepted that an airborne fire scenario was suddenly acceptable. (There’s a REALLY long thread somewhere about that).
The 787 at Heathrow the fault was in a poorly manufactured Emergency Locator Beacon from a supplier. The two halves of the box were screwed together by the manufacturer trapping one or more wires which were shorting out and eventually while parked at LHR got hot enough to cause the Emergency Locator Beacon to catch fire fire.