What was found
ON CLIMB OUT, BELOW 1500 MSL, CABIN TEAM REPORTED STRONG ELEC BURNING SMELL AT DOOR 1 LT & RT WITH SIMILAR AT 2L & 2R. FLIGHT DECK CREW SMELLED IT AS WELL. CABIN REPORTED NO VENTS TURNED ON, LANDED ASAP. IAW AMM 05-51-58-910-801C, INSPECTED AS REQUIRED & STATED, OPERATED ALL GALLEY COMPONENTS, CABIN LIGHTING, AIR CONDITIONING SYS, WITH NO APPARENT SMELL OF ELEC BURNING. NO ODOR FROM PACK SYS. RAN BOTH ENGS & PACKS IAW 21-00-01 PAR D 12 - 15. CLEARED ANY POSSIBLE CONTAMINATION IN PACK SYS.