2022-02-01: Vents 3 & 5 clogged with dust. Cleaned by John.

2022-02-01: Vents 1 & 2 malfunctioning due to faulty wiring. Repaired by Bob.

2022-02-02: Vents 7 & 9 not turning off. Fixed by Carol.

2022-02-01: Vents 4 & 6 malfunctioning due to power outage. Restored by Alice.

2022-02-02: Vents 2 & 8 clogged with feathers. Cleaned by Dave.

2022-02-03: Vents 1 & 3 not turning on. Fixed by Eve.