What was found
NR 3 A/C PACK HEAT EXCHANGER IS CRACKED. REINSTALLED NR 3 HEAT EXCHANGER IAW MM 21-51-03, WELDED CRACKED AREA IAW BAC5975.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
NR 3 A/C PACK HEAT EXCHANGER IS CRACKED. REINSTALLED NR 3 HEAT EXCHANGER IAW MM 21-51-03, WELDED CRACKED AREA IAW BAC5975.