As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LT PACK CYCLES ON AND OFF IN AUTO MODE. WORKS NORMAL IN MANUAL MODE. PRESSURIZATION SPIKES WHEN PACK CYCLES OFF AND ON UP TO 1000 FT PER MIN. CHANGED EXISTING REFERENCE FOR MEL ORIGINALLY ISSUED FOR RT AUTO PRESS CONTROL TO MEL TO ADDRESS BOTH PRESS CONTROLLERS INOP IN AUTO MODE. AUTHORIZATION NR AND DUE DATE REMAIN THE SAME IAW THE ORIGINAL MEL. R&I L/H FLOW CONTROL VALVE IAW AMM. OPS CHECKED GOOD. (K)