What was found
BURNING ODOR DURING DESCENT AND DURING WALK AROUND, BURNING ODOR DETECTED CLOSE THE LEFT RVSM AREA PERFORMED EMB TRIAD WORK SCOPE AS INSTRUCTED. PERFORMED OPC OF AIR-CONDITIONING DISTRIBUTION SYSTEM FOR SMOKE AND ODORS IAW FIM 21-20-00-810-801-A - NO DEFECTS OR ODORS DETECTED. INSPECTED FWD EBAY AREA AND RECIRCULATION FANS FOR OPERATION WITH PACKS RUNNING IAW FIM 21-20-00-810-801-A - NO DEFECTS NOTED - RECIRCULATION FANS OPERATING NORMALLY WITH NO ODORS. PERFORMED OPC AND DET INSPECTION OF ADS PROBES IAW AMM 34-15-00 AND AMM 34-13-01 STEP 9 - FOREIGN MATERIAL FOUND ON LH UPPER ADS PROBE # 3 DURING OPC OF ADS PROBE # 3 A BURING ODOR WAS DETECTED. CLEANED AND REMOVED FOREIGN MATERIAL FROM ADS PROBE # 3 AND PERFOMRED OPC CHK - NO ODORS OR DEFECTS NOTED AFTER FOREIGN MATERIAL REMOVED FROM PROBE. PERFORMED DET INSPECTION OF PACK # 2 INLET FOR EVIDENCE OF INGESTION OF COFFEE OR SODA COMING FROM FWD GALLEY DRAIN MAST - NO EVIDENCE OF FOREIGN MATERIAL INGESTION DETECTED. PERFORMED ENGINE RUN OF BOTH ENGINES AT MAX POWER WITH APU RUNNING FOR 4 MINUTES IAW FIM TASK 21-20-00-810-803-A - NO EICAS MESSAGES, DEFECTS OR ODORS DETECTED DURING OR AFTER ENGINE RUNS.