What was found
AFT FUSELAGE FROM BS 727E TO BS 747 JUST ABOVE STRINGER 22L A 1.0 INCH SKIN CRACK WAS FOUND. MAINTENANCE REMOVED DAMAGE AREA AND OLD DOUBLER. FABRICATED REPAIR DOUBLER TRIPLER AND NEW INTERNAL LIGHT RING DOUBLER. INSTALLED FABRICATED REPAIR PARTS IAW AMERICA WEST AIRLINES ENGINEERING REQUEST 03-5330-05157-SS1. REPAIR WAS PLACED ON MONITOR, CONTROL NR 250650, AND WILL BE INSPECT AT 60,000 FLT CYCLES AFTER REPAIR INSTALLATION.