As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON TAKEOFF WHEN GEAR CAME UP LOUD RUMBLE OCCURED AND PRESSURIZATION BEGAN +- 500 - 1000 FPM RATE OF CLIMB. AIRCRAFT RETURNED TO ABQ. REMOVED AND REPLACED AUTOMATIC FLOW CONTROL VALVE PER M/M. PRESSURIZED MANUALLY, VALVE OPS CK NORMAL IAW MM.