As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CUSTOMER COMPLAINED OF FUEL TANK LEAKAGE. UPON INVESTIGATION, FOUND FUEL CELL NIPPLES BROKEN OFF. REMEMBERING AD 78-05-06 CONCERNING GOODYEAR FUEL CELLS OF THIS VINTAGE, FOUND NOT TO BE APPLICABLE BUT NOTICED FAILURE OF SAME TYPE OCCURING. THIS IS A GOODYEAR FUEL CELL OF THE BTC-67 CONSTRUCTION NUMBER.