What was found
ITEM 1: CARGO A/C TEMP STATUS MSG, ITEM 2: FWD CARGO BACKUP EICAS, ITEM 3: RT ENG BLEED VALVE OPERATES INTERMITTENTLY, RIGHT DUCT PRESSURE STAYS AT 5 PSI, LP 1346665, ITEM 4: RT PACK FAILED APPROX 2 HOURS AFTER RT ENG BLEED ISSUE AND WHILE RT ENG BLEED WAS OPERATING NORMALLY. FAULTS RELATED TO OTHER STATUS. ACCOMPLISHED RT PACK CONTROLLER BITE, LOW LIMIT VALVE FAILED, REF 21-51-00-070-805-006. COMPLIED WITH LOW LIMIT VALVE OPS TEST AND FOUND SUBSTANTIAL LEAK AT SECOND UNION ABOVE OUTLET AND TIGHTENED FITTING UNTIL LEAK STOPPED, REF AMM 21-51-11-002-016. RE-ACCOMPLISHED LOW LIMIT OPS TEST PER AMM 21-51-00-700-807-006, OPS GOOD. FAIL STATUS CLEARED, DUCT PRESS HIGHER.