What was found
AIR TURNBACK, ACFT WOULD NOT MAINTAIN CABIN PRESS AT 27,000 FEET. C/W PRESS DECAY CHECK AND FOUND NR 2 ENG PNEU BLEED PRESS LOW AT IDLE, UNLOCKED NR 2 ENG HIGH STAGE PRESS BLEED VALVE AND OPS CK GOOD PER MM.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIR TURNBACK, ACFT WOULD NOT MAINTAIN CABIN PRESS AT 27,000 FEET. C/W PRESS DECAY CHECK AND FOUND NR 2 ENG PNEU BLEED PRESS LOW AT IDLE, UNLOCKED NR 2 ENG HIGH STAGE PRESS BLEED VALVE AND OPS CK GOOD PER MM.