As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DISCREPANCY: BOTH BLEED DUCT PRESSURES ERRATIC ON TAKEOFF THROUGH 8000 FT. LEFT PRESSURE FLUCTUATED OVER 30 PSI ACCOMPANIED BY LOUD WHOOSHING SOUND. PERFORMED FIM TASK 36-10-00 AND BITE CHECKED THE ASCTV NO FAULTS FOUND. SYSTEM OPERATES NORMALLY OK TO CONTINUE