As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE AIRCRAFT WAS IN HEAVY CHECK MAINTENANCE FOUND THE LEFT RAM AIR PACK VALVE BRACKETS CRACKED. MAINTENANCE REMOVED AND REPLACED THE SUPPORT ASSEMBLY IAW EMB 170 SRM 51-41-01. THE AIRCRAFT WAS RETURNED TO SERVICE AND RELEASED FROM HEAVY CHECK 02-03-2012.