What was found
ON APPROACH TO IAH, NR 1 "GEN UNPARALLELED" LIGHT ILLUMINATED 20-30 SECONDS LATER THERE WAS A BURNING ODOR , THEN CLEARED. TRANSFERRED TO DMI LOG ITEM NR 28522 IAW DC8 MEL 24-1 CAT "C" SP PROC. C/W; NR 1 GEN DISCONNECTED. PLACARDS INSTALLED, SOURCE OF ODOR IDENTIFIED, NR 1 GENERATOR LEAD.