What was found
ATB - AIR SYS FAULT ILLUMINATED AFTER 5 MIN IN FLIGHT. REMOVED AND REPLACED FAN AIR VLV PER AMM 36-13-04, OPS CHECK OKAY. NO FAULTS INDICATED.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
ATB - AIR SYS FAULT ILLUMINATED AFTER 5 MIN IN FLIGHT. REMOVED AND REPLACED FAN AIR VLV PER AMM 36-13-04, OPS CHECK OKAY. NO FAULTS INDICATED.