As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
COMPLY WITH EA 8-2150-77351 AIR/CONDITIONING NR 3 AC PACK EXHAUST DUCT REPAIR P/N ACM7019. REMOVED NR 3 AC PACK EXHAUST DUCT IAW MM 20-50-02-2 AND 21-62-09-2 EA 8-2150-77351. COMPLIED WITH ON MAE TRAVLER T4/428578. INSTALLED NR 3 AC PACK EXHAUST DUCT IAW MM 20-50-02-2 AND 21-62-09-2.