"If the fault exists in the emergency bus, you shed the emergency bus and rely on the redundancies present in the other two+ buses of that type."
The Emergency bus fault is what got the Yuasas to thermal runaway, and eliminate the APU from being started...the New Orleans diversion started with "Battery Fire" on the panel. In. 2013, the fleet was grounded. Then the Stainless box and Titanium belly hot remnant dump. We don't know how many fires aloft there were. Boeing had to own at least three. This thread adds three, and further Boeing secrecy. In AI 171, we will find out if the generator fail And loss of the Electrical system and/or the two engines loss brought her down....a quarter of a million watts. Yikes
"Bang", cabin lights flashing, no aircon, etc etc....likely none of this is software... The Batteries are now made by Thales. Like the pitots were on 447....
Design? Spec sheet? QA? Bean counters? The Dream is the most beautiful aircraft, she has issues ....
Last edited by BugBear; 17th June 2025 at 06:09.