What was found
POWERED UP APU. WHEN BLEED AIR IS TURNED ON THE CABIN FILLS UP WITH SMOKE. COCKPIT & CABIN ACM OPS & LEAK CHECKED GOOD IAW MM 21-61-00. NO SMOKE NOTED.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
POWERED UP APU. WHEN BLEED AIR IS TURNED ON THE CABIN FILLS UP WITH SMOKE. COCKPIT & CABIN ACM OPS & LEAK CHECKED GOOD IAW MM 21-61-00. NO SMOKE NOTED.