As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON RECALL, LT PACK LIGHT ILLUMINATES. ACFT GROUNDED. PERFORMED BITE TEST OF PACK/ZONE TEMP CONTROLLERS, REF AMM 21-61-00. CONFIRMED RED FAULT LIGHT "TCV THIS PACK" ILLUM ON NR 1 CONTROLLER, AND OVERHEAD LT PACK LIGHT STILL ILLUMINATED UPON RECALL. CONTINUED MEL 21-32B. RT PACK ZONE TEMP BITE CHECK SHOWS BAD TCV. REPLACED TCV IAW AMM 21-51-10-400. OPS CHECKS AND LEAK CHECKS NORMAL. L-PACK BITE TEST PASS "GO".