What was found
DURING CRUISE FLIGHT, AT 11000 FEET, WITH APU OFF , THERE WAS A FOUL MUSTY ODOR FROM THE ACM. REMOVED AND REPLACED THE THE FILTERS, OPS CHECKED GOOD IAW MM 21-70-10.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING CRUISE FLIGHT, AT 11000 FEET, WITH APU OFF , THERE WAS A FOUL MUSTY ODOR FROM THE ACM. REMOVED AND REPLACED THE THE FILTERS, OPS CHECKED GOOD IAW MM 21-70-10.