What was found
BOTH F1 / F2 INFLIGHT CREW REPORT MUSTY DIRTY SOCK ODOR EMANATING FROM MID CABIN AFT GALLEY. PERFORMED A BOROSCOPE INSPECTION OF THE NR 2 ENGINE IAW 72-00-00-220-094 AND 72-00-00-220-003 OF BOTH BOOSTER AND COMPRESSOR, NO OIL PUDDLING FOUND. POSSIBLE OIL STAINING ON 1ST STAGE HPC. FOUND COFFEE INGESTION IN SEVERAL PACK COMPONENTS. R & R LOW LIMIT BYPASS VALVE, THE AIR CYCLE MACHINE, DUAL HEAT EXCHANGE, WATER COLLECTOR AND CONDENSER, RE-HEAT ASSY'S. R & R RECIRCULATION AIR FILTERS.