Dec. 24, 2014 Luke returns F-16Ds to flight after longeron repair Aircraft maintainers at Luke Air Force Base, Arizona and Hill AFB, Utah, have been working on getting F-16D Fighting Falcons back into the air since mid-October and are nearing completion of repairs on 32 of Luke's F-16D aircraft .
Aug. 19, 2014 82 F-16Ds removed from flight status due to longeron cracks U.S. Air Force officials recently removed 82 two-seat F-16D Fighting Falcons from flight status due to the discovery of canopy sill longeron cracks found between the front and rear pilot seats.