As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON C-CHECK, RIGHT SECONDARY H/E EXHAUST LOUVERS HAVE PLAY. REMOVED RT SECONDARY H/E EXHAUST LOUVERS PER B-727 IAW MM 21-55-00. REPLACED RT SECONDARY H/E EXHAUST LOUVERS IN ACCORDANCE WITH B-727 MM 21-55-00. OPS CHECKED RT SECONDARY HEAT EXCHANGER EXHAUST LOUVERS PER B-727 MM 21-55-00, OPS CHECK OK.