As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: ACRID ODOR DEVELOPED AFTER TAKE OFF & DURING CLIMB, STOPPED CLIMB AT 210 & STARTED APU ON APU BLEED ODOR SUBSIDED APPLIED QRH PROCEDURE TO DETERMINE SOURCE OF ODOR. ODOR RETURNED WITH PACK 2 ON ENGINE 2 BLEED. CONTINUED FLIGHT SINGLE PACK WITH PACK 1 ON ENG 1 BLEED WITH NO FURTHER ODOR. (OPEN)