What was found
AT FL340 GOT ECL SMOKE REST UPPER DOOR 1 STRONG ODOR, NO SMOKE, CLIMBING THROUGH FL300 - FL 320, DOOR SEALS AT R1 LOUD AIR NOISE. NOISE STOPPED AT FL340. AT FL340 EICAS MESSAGE OF CARGO HEAT BULK. AT FL340 ALARMS STARTED GOING OFF IN PILOT CREW REST WITH STRONG ELECTRICAL ODOR BUT NO SMOKE. AIR FROM VENTS WAS PULSING & ODOR WENT AWAY AFTER THE AIR FLOW REMAINED CONSTANT. CAPTAIN ALSO STATED THERE WAS A NOTIFICATION IN FLIGHT DECK OF SMOKE IN FWD CREW REST AT FL 340. RAN LT & RT PACKS FOR SEVERAL HRS WITH AIR FLOW CONSTANT NO STRONG ODORS. GROUND TEST OF C/R AIR & HUMIDIFIER SYS TEST PASSED. ALL OF C/R SMOKE DETECTORS SELF TEST, OPS CHKD GOOD. GVI OFCR HEATER & HUMIDIFIER CONNECTORS & SURROUNDING AREA, NO FAULTS NOTED. REF DMC-B787-A-21-20-F5-72A-421A-A