What was found
UNABLE TO MAINTAIN CABIN PRESSURE. LEFT PACK APPEARS TO BE INOP, RETURNED TO IND. REMOVED AND REPLACED NEW FLOW CONTROL VALVE, OPS CHECK NORMAL, PER M/M 36-10.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
UNABLE TO MAINTAIN CABIN PRESSURE. LEFT PACK APPEARS TO BE INOP, RETURNED TO IND. REMOVED AND REPLACED NEW FLOW CONTROL VALVE, OPS CHECK NORMAL, PER M/M 36-10.