What was found
CABIN PRESSURE WARNING. FLIGHT DESCENDED TO FL110. REPLACED SECOND HEAT EXCHANGER. LT PACK OPS CHECK GOOD. COOLS AS GOOD AS RT PACK.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
CABIN PRESSURE WARNING. FLIGHT DESCENDED TO FL110. REPLACED SECOND HEAT EXCHANGER. LT PACK OPS CHECK GOOD. COOLS AS GOOD AS RT PACK.