As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
JUST AFTER TAKEOFF PRESSURIZATION TRANSFER LOCKOUT & STANDBY ON LIGHT ILLUMINATED & CABIN WAS NOT PRESSURIZING. COMPLETED QRH 21.9, COMPLETED FLIGHT ON REMAINING CONTROLLER. R & R NR ! CABIN PRESS CONTROLLER. GND OPERATIONS CHECKED GOOD IAW AMM 21-32-03, 21-32-11 & 34-11-00.