As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SUPPLEMENTAL TO HALA2023032100054. UPDATED WITH RESOLUTION. ETOPS - DMI # 206678. VENT AVNCS SYS FAULT. RE-ACTIVATED 24HQ ISOL VALVE. OPS CHECK PER AMM 21-26-00-710-001 OK. TEST PER TSM 21-26-00-810-807-A OK . NO FAULTS DETECTED. A/C OK TO CONTINUE. PLACARD REMOVED. MIC SHEET UPDATED.