As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RT. PACK TEMP. LT. DID NOT GO OUT. IAW 764 PACK TEMP RT N/N RT.P ACK SWITCH TO OFF. REF TO LOG PAGE 4971487. PERFORMED CTC BITE PROCEDURE AND FOUND FUALT 21-51239 AND 21-51237, R SEC HX OUT SNR 1 AND 2. REMOVED AND REPLACED R SEC HX OUT SNR 1 AND 2 PERFORMED OPS CK OPS CK NORMAL AT THIS TIME MSG CLEARD.