What was found
/JSX FLT 9401 NON REV REPO LEG, 1ST RTF, CREW DECLARED AN EMERGENCY DUE TO BLEED 2 OVER HEAT AND CABIN PRESSURIZATION SPIKE RETURNED TO FIELD NO FURTHER ISSUES. CORR ACTION FAV FILTER CLOGGED REMOVED AND CLEANED FILTER AND REINSTALLED BLEED 2 OPS TEST GOOD. 2ND RTF CREW RETURNED TO FIELD DUE TO BLEED 2 OVER HEAT EICAS MESSAGE CORR ACTION DEFERRED BLEED 2 SYSTEM. LATER OPS TESTED GOOD NO OVERHEAT MESSAGES AND HAS FLOWN 8 LEGS NO BLEED 2 ISSUES AS OF 9/13/21.