What was found
DURING HEAVY CHECK, BLACK SUBSTANCE ON RT WING FUEL LINE CONNECTOR. MX R & R FUEL LINE CONNECTION IAW AMM 20-10-13.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING HEAVY CHECK, BLACK SUBSTANCE ON RT WING FUEL LINE CONNECTOR. MX R & R FUEL LINE CONNECTION IAW AMM 20-10-13.