EASA/Airbus mandates ELAC fixes before next flight after JetBlue's October pitch-down scare from solar radiation data corruption; 200-250 Indian planes grounded 2-3 hours each.
340 of 480 A320s need updates, causing delays/cancellations; airline offers rebooking aid, expects normalcy by Dec 1-2 via app checks.
Partial fleet realignments lead to longer turnarounds; Express impacts 31 jets minimally; DGCA oversees as safety trumps schedules in peak travel.