As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON MASTER CAUTION RECALL GOT MASTER CAUTION AIR COND AND RT PACK LIGHT. IT EXTINGUISHES ON RESET GROUNDED YES. PERFORMED PACK/ZONE TEMP CONTROL BITE TEST PER FIM TASK 21-62 TASK 801. FOUND FAULT WITH TRIM CONTROL VALVE RT. R&R RT TRIM VALVE PER FIM TASK 21-62 TASK 828. CONFIRMED PROPER ETOPS PN W/ ROB. PERFORMED PACK/ZONE TEMP CONTROL TEST SECOND TIME. NO FAULTS NOTED. OK FOR ETOPS. NO LEAKS NOTED.