What was found
DURING REMOVAL FOUND PRIMARY HEAT EXCHANGER PLENUM DAMAGED. REMOVED AND REPLACED PRIMARY HEAT EXCHANGER PLENUM, AS PER AMM 21-51-02-404-019.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING REMOVAL FOUND PRIMARY HEAT EXCHANGER PLENUM DAMAGED. REMOVED AND REPLACED PRIMARY HEAT EXCHANGER PLENUM, AS PER AMM 21-51-02-404-019.