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 CLIMBOUT. RAN QRH PROCEDURE, LIGHT RE-ILLUMINATED. ISOLATED PACK AND TURNED OFF. ACFT GROUNDED. RESET - INTERMITTENT FAULT IAW FIM 21-53, TASK 802. NO FAULTS EITHER ZONE TEMP CONTROLLER. RAN RT PACK ON APU FOR 20 MINUTES, ALL NORMAL. GVI OVERHEAT SWITCHES AND WIRING NORMAL.