What was found
LEFT PACK LIGHT ON AFTER MASTER CAUTION RECALL ON DESCENT. QRH COMPLETED. GROUNDED - YES. (RESOLVED ON W/O: 1965708 TASKCARD: N/R-00001 ) INIITIAL EVALUATION, LH PACK LT ILLUMINATED AT OVERHEAD ON MASTER RECALL. PERFOMRED PZTC BITE IAW FIM 21-62 TASK 801, BOTH #1/2. #1 PZTC LH PACK FAILS TCV ON VERIFY. #2 PZTC FOR RH PACK PASSES GREEN ON VERIFY. REMOVED AND REPLACED LH PACK TCV IAW AMM21-51-10-000/400-801. LEAK CHECKS GOOD. 3 CB PULLED, COLLARED, AND RESET. RE RAN BITE #1 PZTC, NOW PASSES (GREEN) ON VERIFY. LH PACK LT CLEARED FROM MASTER RECALL. REF LP 60591968 FOR ADDITIONAL RH PACK DEFECT. SEAMC MITCH NOTIFIED. THIS CLEARS MEL 21-32B. PLACARDS REMOVED. NO A/C CONFIG CHANGES.