As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS NOT GROUNDED: CABIN AIR COMPRESSOR R2 STATUS MESSAGE. BRIEF ODOR AND NOISE NOTICED ON FLIGHT DECK. **SUPPLEMENTAL REPORT FOR AALA202203317907: REMOVED AND REPLACED R2 CABIN AIR COMPRESSOR PER AMM B787-A-21-51-19-03A-520A-A** (CLOSED)