What was found
LEFT AC BAY AIR PLENUM FLANGE HOLES ARE DAMAGED FLANGES FOR HEAT EXCHANGER. REMOVED AND REPLACED THE AIR PLENUM IAW AMM 21-51-02-404-019.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
LEFT AC BAY AIR PLENUM FLANGE HOLES ARE DAMAGED FLANGES FOR HEAT EXCHANGER. REMOVED AND REPLACED THE AIR PLENUM IAW AMM 21-51-02-404-019.