What was found
COCKPIT HAS BAD ODER SMELL LIKE EXAUST SMELL. SEEMS TO COME FROM BOTH PACKS, LEFT ONE SEMMS WORSE. DEFERRING PACK 1 FOR REPORTED ODOR IAW CRJ 900 MEL 21-51-1B. MAINTENANCE PROCEDURES COMPLIED WITH. RAM AIR SOV VERIFIED OPERATIVE. MMO2 UPDA TED. PLACARD INSTALLED. MOC #99295 NOTIFIED. R/R ACM IAW JOB CARD 900-21-310-902. LEAK TEST OF THE ACM GOOD IAW AMM21-51-00.-NO FIX- SEE AML 3522807-1 FOR NEW DEFER THIS CLEARS DM 3500950-1 DEFFERED APU IAW MEL 49-10-1A. MM02 UPDATED PLACARD INSTALLED, MOC#96362 NOTIFIED. PULLED AND COLLARD BREAKERS N10 & N11 ON CBP1 AND R9 ON CBP1 LOWER DEFERRED APU IAW MEL 49-10-1A UPDATED MM02 & PLACARD INSTALLED. CB'S C BP-1 N10, N11 & R9 PULLED & COLLARED. MOC NOTIFIED #96362. PERFORMED APU START & STOP SEQUENCE IAW AMM 49-10-00. OPS TEST GOOD NO ODORS NOTED ON CABIN OR COCKPIT. THIS CLEARS MEL 49-10-1A. MM02 UP