What was found
AT 12,000' LOST THE LEFT PACK AND GOT A 800 FPM CABIN ALT MESSAGE. RETURNED TO FIELD. REPLACED THE LEFT PACK PRSOV REF 36-10-00. OPERATIONAL CHECKS GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AT 12,000' LOST THE LEFT PACK AND GOT A 800 FPM CABIN ALT MESSAGE. RETURNED TO FIELD. REPLACED THE LEFT PACK PRSOV REF 36-10-00. OPERATIONAL CHECKS GOOD.