As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SUPPLEMENTAL INFORMATION - PERFORMED BITE TEST OF ZONE TEMP CONTROLLER PER AMM 21-61-03 NO CURRENT OR PREVIOUS FAULT DISPLAYED. NO ASSOCIATED EICAS MESSAGES DISPLAYED. PERFORMED OPERATIONAL TEST OF ZONE TEMP CONTROL SYSTEM PER AMM 21-61-00 SYSTEMS OPERATION NORMA.L