What was found
AIRCRAFT 3087, ON ARRIVAL DESCENDING THROUGH 15000' THE FO, CAPT AND FLIGHT LEADER SMELLED A STRANGE ODOR ON THE FLIGHT DECK AND FWD GALLEY. PILOTS DONNED 02 MASKS AND BEGAN SMOKE/FUMES QRH THROUGH VENT BLOWER/EXT OFF. FUMES DISAPPATED BY 7000'. CORRECTIVE ACTION: RAN ENG 2 AND APU BLEED AT SAME, GOT ODOR WHEN BOTH PACKS ON. C/W W/C 0550-2002 - FOUND 2 EA FIRST AID KITS @ L1 DOOR W/ AMMONIA ODOR. REPLACED FIRST AID KITS. INSP #1 AND #2 BLEEDS W/ BLACK LIGHT SV44 - NTF. RAN ENGINES AND PACKS IN HIGH POWER AND IDLE CONFIGS - NO NOTICABLE ODOR. (LP 6868772)