What was found
CABIN PRESSURE COULD NOT BE MAINTAINED ABOVE 30,000 FEET. SUSPECT FAILURE OF HIGH PRESS BLEED CONTROL PORTION OF BLEED VALVE. INCREASED INSPECTIONS IAW CH36 OF MM.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
CABIN PRESSURE COULD NOT BE MAINTAINED ABOVE 30,000 FEET. SUSPECT FAILURE OF HIGH PRESS BLEED CONTROL PORTION OF BLEED VALVE. INCREASED INSPECTIONS IAW CH36 OF MM.