What was found
CREW REPORTED PITCH TRIM BACKUP INOP. RAN QRH AND RETURNED DUE TO NO MX IN GUNNISON. CORR ACTION; MX TROUBLESHOT TO DIRTY PINS ON CANNON PLUG AT HSA, CLEANED PINS OPS TEST GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
CREW REPORTED PITCH TRIM BACKUP INOP. RAN QRH AND RETURNED DUE TO NO MX IN GUNNISON. CORR ACTION; MX TROUBLESHOT TO DIRTY PINS ON CANNON PLUG AT HSA, CLEANED PINS OPS TEST GOOD.