Two of the four KC-46As undergoing center wing tank rework. In mid-January it was found that the tank primer was not applied properly, it now has to be removed and reapplied to the tank interior, fasteners and z chords along with replacement of fillet seals, cap seals, etc. After completion of work the CWT will be closed, washed and tested for leaks. Five of the airplanes at Everett will be ready for flight by mid-April, two tankers will be delayed until June.
The airplanes undergoing the rework in Everett are: VH075 KC-46A line 1271, VH080 KC-46A line 1273, VH081 KC-46A line 1275, VH082 line 1277, VT679 FedEx 767 line 1294, VT680 FedEx 767 line 1296, VR306 UPS 767 line 1298.
Lines 1299 and above do not have the NoE center wing tank.