What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
(-23) Southwest airlines flt. #394, a B-737-7H4, registration N793SA, left the tpa ramp for a departure to phx on r/w 18R. Southwest airlines flt. #96, a B-737-3HR, registration number N339SW was holding in the number one spot for take-off to bwi, at the entry to r/w 18R. N793SA was taxiing past and to the right of N339SW, when its left winglet hit the right horizontal stabilizer aft outboard tip section of N339SW. Both aircraft returned to the tpa southwest airside c, gates 30 and 32. The left winglet of N793SA had its leading edge metal strip dented and the outb'd side of the winglet scraped. N339SW had the aft section of the horizontal stabilizer tip and a triangular section of the outer aft section broken off by the impact. There were no injuries involved to either aircraft passengers or crew members. The PIC of N793SA acknowledged responsibility for this incident.
As the FAA filed it
(-23) SOUTHWEST AIRLINES FLT. #394, A B-737-7H4, REGISTRATION N793SA, LEFT THE TPA RAMP FOR A DEPARTURE TO PHX ON R/W 18R. SOUTHWEST AIRLINES FLT. #96, A B-737-3HR, REGISTRATION NUMBER N339SW WAS HOLDING IN THE NUMBER ONE SPOT FOR TAKE-OFF TO BWI, AT THE ENTRY TO R/W 18R. N793SA WAS TAXIING PAST AND TO THE RIGHT OF N339SW, WHEN ITS LEFT WINGLET HIT THE RIGHT HORIZONTAL STABILIZER AFT OUTBOARD TIP SECTION OF N339SW. BOTH AIRCRAFT RETURNED TO THE TPA SOUTHWEST AIRSIDE C, GATES 30 AND 32. THE LEFT WINGLET OF N793SA HAD ITS LEADING EDGE METAL STRIP DENTED AND THE OUTB'D SIDE OF THE WINGLET SCRAPED. N339SW HAD THE AFT SECTION OF THE HORIZONTAL STABILIZER TIP AND A TRIANGULAR SECTION OF THE OUTER AFT SECTION BROKEN OFF BY THE IMPACT. THERE WERE NO INJURIES INVOLVED TO EITHER AIRCRAFT PASSENGERS OR CREW MEMBERS. THE PIC OF N793SA ACKNOWLEDGED RESPONSIBILITY FOR THIS INCIDENT.