What was found
FLT 2261, BOS-MAD. (ETOPS) "FUEL AFT 2 ACT HI LVL ( HIGH LEVEL FUEL DETECTION SYSTEM ADDITIONAL CENTER TANK(S) ).
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
FLT 2261, BOS-MAD. (ETOPS) "FUEL AFT 2 ACT HI LVL ( HIGH LEVEL FUEL DETECTION SYSTEM ADDITIONAL CENTER TANK(S) ).