As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
** WHILE AIRCRAFT WAS OUT OF SERVICE FOR HEAVY CHECK** LH HORIZONTAL STAB RIBS 10 AND 11 BETWEEN FRONT SPAR AND MIDDLE SPAR SUSPECT CRACK. C/A REPLACED RIBS 10-11-12 PER SB 170-55-0014. RIB 12 REPLACED AS PART OF THE SB. WEB RIB 10 PN 170-62567-003 RIB 11 ASSY PN 170-62611-401. AIRCRAFT REMAINS OUT OF SERVICE FOR HEAVY CHECK COMPLETION.