What was found
FLT 088 - IN FLIGHT PRESSURIZATION PROBLEM, RETURNED TO LIMA. REPOSITIONED LEFT A/C CABIN COND AIR VALVE AND FOLLOWED PRESSURIZATION PROCEDURES AND OPS CHECK GOOD, PER MM 21-58-01.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
FLT 088 - IN FLIGHT PRESSURIZATION PROBLEM, RETURNED TO LIMA. REPOSITIONED LEFT A/C CABIN COND AIR VALVE AND FOLLOWED PRESSURIZATION PROCEDURES AND OPS CHECK GOOD, PER MM 21-58-01.