Long time reader and first time posting on FT!
1. Flight: SFO-NRT
2. Date of flight: February 19, 2020
3. Date booked: December 7/8, 209
4. Fare basis: V
5. Cabin upgrade: Y --> J (4 seats)
6. Date of upgrade: Day of Purchase
7. Number of PlusPoints: 160 (80 +P extended from 2019 for 2 people on 12/7 and 80 +P for 2 people on 12/8)