What was found
LAX - FLT 1 - OBNOXIOUS FUMES NOTICED IN COCKPIT, SOURCE UNKNOWN. FOUND AUX COMPT FAN RUNNING ON A AND C PHASES ONLY. REPLACED FAILED C/B B1-277 AND N1-221. OPS CHECK AND SNIFF CHECK OK. (M)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
LAX - FLT 1 - OBNOXIOUS FUMES NOTICED IN COCKPIT, SOURCE UNKNOWN. FOUND AUX COMPT FAN RUNNING ON A AND C PHASES ONLY. REPLACED FAILED C/B B1-277 AND N1-221. OPS CHECK AND SNIFF CHECK OK. (M)