As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED AT ROTATION, ACFT ENCOUNTERED NOTICEABLE BUMP IN RUNWAY SURFACE, IMMEDIATELY FOLLOWED BY AN AIR DEMAND PUMP AND NR 2 CTR SYS ACMP LOW PRESSURE LIGHTS. ADP LOW PRESSURE LIGHT EXTINGUISHED AFTER GEAR RETRACTED AND NR 2 ACMP LOW PRESSURE LIGHT EXTINGUISHED AFTER POWER REDUCTION. ALL LOW PRESSURE LIGHTS REMAINED OUT, GEAR & FLAP OPERATION SLOW. CTR QTY NORMAL, NO CONTROL ISSUES.