As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UNUSUAL ACRID ODOR IN COCKPIT AND CABIN. EMERGENCY DECLARED, DIVERTED AND LANDED WITHOUT INCIDENT. PAX STATED THAT ODOR DID NOT DISSIPATE UNTIL IMMEDIATELY BEFORE LANDING. R & R ACM IAW MM 21-51-00. OPS CHECKED GOOD LEAK CHECKED BAD. R & R BAD SEALS LEAK CHECK GOOD WORK DONE IAW MM 21-51-00 REPLACED ON WO T0011728G ACM WAS NOT IN STOCK, SQK WAS MEL-ED TO THIS WORK ORDER. PART SS4-150 (SLEEVE) WAS ALSO REPLACED.