What was found
DURING FLIGHT 3657, AIR BRAKE DEPLOYED UNCOMMANDED. AIR RETURN TO MSP. MAINTENANCE PERFORMED ADJUSTMENT TEST PROCEDURES IAW AMM 27-63-00 501. ALL OPS CHECK GOOD. CLEANED CL4 POTENTIOMETER CANNON PLUG.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING FLIGHT 3657, AIR BRAKE DEPLOYED UNCOMMANDED. AIR RETURN TO MSP. MAINTENANCE PERFORMED ADJUSTMENT TEST PROCEDURES IAW AMM 27-63-00 501. ALL OPS CHECK GOOD. CLEANED CL4 POTENTIOMETER CANNON PLUG.