What was found
PHX - FLT 289 - ON GROUND IN PHX, REPORTED POSSIBLE TAIL STRIKE. MAINTENANCE DISCOVERED FUSELAGE CRACK 1 INCH LONG AT STATION 727D STRINGER S-23L AND AFT GALLEY DRAIN MAST DAMAGED. MAINTENANCE REMOVED DAMAGED AREA AT BS 727D AND BS 996 IAW BOEING 737-300 SRM 53-00-01 AND AMERICA WEST AIRLINES ENGINEERING REQUEST 03-5361-05280-HF1. FABRICATED DOUBLERS, TRIPLERS, FILLERS, BRACKET CLIPS FOR DRAIN MAST AND TEAR STRAPS FOR CRACKED SKIN IAW AWA ER 03-5361-05280-HF1. INSTALLED FABRICATED REPAIR PARTS AT BS 727D, STR 23L AND BS 996 IAW BOEING 737-300 SRM 53-00-01 AND AWA ER 03-5361-05280-HF1.