What was found
DISTINCT ELECTRICAL BURNING SMELL INFLIGHT AROUND 5000 FT. STAYED FOR ABOUT 60 SECS BEFORE GOING AWAY. NO OTHER INDICATIONS. (FLIGHT 4103) PERFORMED FAULT CONFIRMATION PER FIM 21-21-00 AND FIM 21-22-00 WITH APU AND LT AND RT ENGINES INDIVIDUALLY. INSPECTED COCKPIT, CABIN, AVIONICS BAY AND AFT CARGO FOR ABNORMAL SMELLS OR LOUD LRU'S. NO ABNORMAL SMELLS OR NOISE HEARD. AIRCRAFT OK FOR SERVICE.