As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
L/H HORIZONTAL STAB LOWER SKIN CRACKED AT STA 147 17 INCHES FWD OF REAR SPAR. GROUNDED - YES. REPIARS MADE TO LWR SKIN OF L/H HORIZONTAL STAB 17 INCHS FWD OF REAR SPAR AT STA 147 IAW BOIENG 737-900 SRM 55-10-01-2R-11. THIS IS A CAT B REPAIR WITH A 56,000 TOTAL CYCLE THRESHOLD AND REPEAT INTERVALS OF 9000 CYCLES.