As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 1 BLEED HEAT EXCHANGER DURING FLIGHT TEMP WAS IN AMBER INDICATING HALF TEMP OF NUMBER 2 BLEED HEAT EXCHANGER NO ECAM. GROUNDED - YES. R/R NR 1 ENG. THEROSTAT-CONTROL PER AMM 36-11-43 PB 401. OPS TEST OK NO FAULTS NOTED. MDDR 60570 CLOSED, MEL LOG UPDATED, MC YARED NOTIFIED.