As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: RIGHT PACK FAULT LIGHT ILLUMINATED CLIMBING THROUGH 8,000 FT RAN QRH AND LIGHT REMAINED ON . MADE DECISION TO RETURN TO DEPARTURE AIRPORT. REMOVED AND REPLACED RH INTEGRATED AIR SYSTEM CONTROLLER IAW AMM 21-61-22.