As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT "PACK" LIGHT ILLUMINATES DURING MASTER CAUTION RECALL. "PACK" LIGHT EXTINGUISHES AFTER SYSTEM RESET. GROUNDED - YES. RAN SYSTEM TEST REF B737-900 AMM 21-61-00 BITE TEST GOT A GREEN LIGHT, PREV FLT SHOWED SRADA EXIT FAIL LIGHT, VERIFICATION TEST PASSED RESET SYSTEM AND RERAN SYSTEM TEST SYSTEM OP CHECKS GOOD THIS CLEARS MEL 21-32B.