As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON C-CHECK, RIGHT PRIMARY H/E EXHAUST LOUVERS HAVE PLAY. REMOVED RT PRIMARY H/E EXHAUST LOUVERS PER B-727 IAW MM 21055-00. REPLACED RT PRIMARY H/E EXHAUST LOUVERS PER B-727 MM 21-55-00. OPS CHECK RT PRIMARY HEAT EXCHANGER EXHAUST LOUVERS PER B-727 MM 21-55-01, OPS CHECK OK.