As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT PACK LIGHT ILLUMINATED DURING RECALL. ACFT GROUNDED. PACK/ZONE CONTROLLER FAULT LOGGED. FAULT CLEARED & BITE CK WAS NORMAL SEVERAL TIMES. DURING NORMAL PACK OPERATION, FAULT WOULD OCCUR AFTER APPROX 15 MINUTES. REPLACED NR 2 PACK/ZONE TEMP CONTROLLER. OPS CHECKED NORMAL IAW MM 21-61-20 & 21-61-00.