What was found
DURING CLIMB OUT AT ABOUT 20,000 FT RECEIVED BLD 2 LEAK EICAS MSG THAT WAS ABOUT 5*C. AFTER COMPLETING AOM 1 PROCEDURES, THE MSG EXTINGUISHED. R & R BOTH AFT BIG & SMALL DTCV COUPLINGS ON RT PACK SYS IAW AMM 21-60-01. LEAK CHECK & OPERATIONS CHECKED GOOD. ALSO NRWC 692-ORD-01647. PERFORMED AIR BLEED SYS OPERATIONS CHECK IAW AMM 36-00-00-700-803A, OPERATIONS CHECKED GOOD. R & R AFT V BAND CLAMP OF RT PACK VLV IAW AMM 20-10-10 USING THE TORQUE SPECIFIED IN AMM 21-51-01. LEAK CHECKED GOOD