What was found
THE CAPTAIN STATED THAT ON CLIMBOUT AT 1500 FEET HE SMELLED A STRONG ELECTRICAL SMOKE ODOR. A FEW MINUTES LATER THE FLIGHT ATTENDANTS CONFIRMED SUSPICION. CAPTAIN DECLARED AN EMERGENCY AND LANDED BACK INTO DCA. EMERGENCY EQUIPMENT MET THE AIRCRAFT AND THE AIRCRAFT WAS TOWED BACK TO THE GATE. MX REPORTS THEY DID RE-PRODUCE THE PACK 2 FAIL AND THE SMELL. MX SAW SOME CMC FAULTS REGARDING THE CPCS CONTROLLER. MX WANTS TO ENSURE THE PRESSURIZATION IS OK. MX PRESSURIZING THE AIRCRAFT. CONFIRMED PACK 2 WAS AT FAULT. NO VISIBLE SMOKE PRESENT ONLY BURNING SMELL. MX R&R'D HEAT EXCHANGER AND ACM PER EMB AMM.