What was found
AFTER ENGINE START WITH BOTH PACKS ON, RECEIVED SIGNIFICANT AMOUNT OF SMOKE AND DIRT IN COCKPIT. LEFT PACK AUTO FAIL MESSAGE AND TEMP FAIL MESSAGE. REPLACED LEFT SIDE ACM IAW CRJ MM 21-51-08. OPERATIONAL CHECKS GOOD, SN OFF: 00911.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AFTER ENGINE START WITH BOTH PACKS ON, RECEIVED SIGNIFICANT AMOUNT OF SMOKE AND DIRT IN COCKPIT. LEFT PACK AUTO FAIL MESSAGE AND TEMP FAIL MESSAGE. REPLACED LEFT SIDE ACM IAW CRJ MM 21-51-08. OPERATIONAL CHECKS GOOD, SN OFF: 00911.