What was found
BURNING RUBBER ODOR WHEN GEAR EXTENDED. SMELLED STRONG & THEN DISSIPATED AFTR 3-4 MINS. CAPTAIN NOTED FIRST OFFICER SMELLED FAINT BURNING RUBBER & FLT ATTENDANTS IN FWD GALLEY & SOME FIRST CLASS PAX REPORTED STRONG BURNING RUBBER ODOR, BUT CAPT DID NOT SMELL IT. T/S SMOKE OR FUMES IAW FIM 21-00, TASK 830. FOUND HYD SYS AT 106 AND ABOVE FULL MARK ON RESERVOIR. DRAINED HYD SYS A TO ACCEPTABLE LEVEL IAW AMM 12-12-00-610-801. CONTINUED WITH STEP B. COULD NOT DUPLICATE SMELL IN ANY CONFIGURATION OF AIR SOURCE OR PACK SOURCE. NO OTHER DEFECTS NOTED AT THIS TIME. OK FOR SERVICE.