What was found
RT PRIMARY HEAT EXCHANGER PLENUM FAILED DURING HEAT EXCHANGER WASH T/C 78121000. GROUNDED - YES. REMOVED AND REPLACED RT PRIMARY HEAT EXCHANGER PLENUM REF AMM 21-51-03.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
RT PRIMARY HEAT EXCHANGER PLENUM FAILED DURING HEAT EXCHANGER WASH T/C 78121000. GROUNDED - YES. REMOVED AND REPLACED RT PRIMARY HEAT EXCHANGER PLENUM REF AMM 21-51-03.