What was found
LH HORIZONTAL STAB RIB 12 HAS SUSPECTED CRACK ON UPPER SIDE AT 4TH FROM FWD FASTENER BETWEEN FRONT SPAR AND STRINGER2. (C-CHECK RO 06/14/2025)REMOVED AND REPLACED LH HORIZONTAL STAB RIB 12 REF SRM 51-40-08 AND ETD2025-170-922014 REV. A. SEE CONTINUATION CARD FOR WORK ACCOMPLISHED. NO CHANGE TO WEIGHT AND BALANCE. ON TASK CARD 27-31-05-001-SKY-U, THE FOLLOWING TOOL WAS ENTERED: TW SN- 652 EXPIRATION- 05/06/25.ON TASK CARD 27-31-05-001-SKY-U, THE FOLLOWING TOOL WAS ENTERED: TW SN- 10495 EXPIRATION- 12/03/25.ON TASK CARD 27-31-05-001-SKY-U, THE FOLLOWING TOOL WAS ENTERED: TW SN- 50003 EXPIRATION- 05/06/25.