As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMB ACRID ODOR NOTED IN COCKPIT. CREW TURNED OFF GASPER FAN, ODOR WENT AWAY. GASPAR FAN DEACTIVATED AND PLACED ON MEL M286609 & MEL CLOSED ON LP 212332. REPLACED GASPER FAN PER B727 MM CH 21-23-22, GASPER FAN OPS CHECK NORMAL.