What was found
ON APPROACH AT 4000' MSL, BOTH PILOTS NOTICED FUMES ON THE FLT DECK. VERY NOTICEABLE DIRTY SOCK SMELL. NO VISIBLE FUMES. 2 PACKS, SINGLE RIGHT BLEED DUE TO MEL CONFIGURATION. SMELL AFTER APU START WE TURNED OFF REMAINING RIGHT BLEED AND SMELL SLIGHTLY DISSIPATED. C/W WORKCARD #550-2003- 0550-2202. REMOVED LPC PLUG 2 PER 72-31 ALL 8 HPC PLUG PER AMP 72-35 AND N1 SPEED SENSOR PER AMP 72-34. PERFORMED BORO OF LPC & HPC FOR OIL WETTING. NO STAINS OR WETTING IN LPC-HPC. BORO OF #3 BEARING COMPT- NO DAMAGE TO COMPT. INSTALLED LPC PLU 2 PER AMP 72-31 ALL 8 HPC PLUGS PER A AMP 72- 35 AND N1 SPEED SENSOR PER AMP 72-34. C/W DUCT BURN OUT & P-TRAK SAMPLING - RESULTS PENDING. C/W JIC - OK FOR SERVICE. (LP# 7364092)