What was found
ACCESS REQ AT STA 92.70 FOR 2EA CRACKS IN RIB, REPAIR 11 REQ. GROUNDED - YES. REPAIRED AREA WITH REPAIR 11 AT STA. 92.70 OF RH HORIZONTAL STABILIZER LOWER SKIN IAW B737-800 SRM 55-10-01-2R-11, REPAIR 11. THIS IS A CATEGORY B REPAIR, INSPECTION THRESHOLD IS 56,000 TOTAL FLIGHT CYCLES, METHOD IS EXTERNAL LOW FREQUENCY EDDY CURRENT (LFEC) INSPECTION, INTERVAL IS 9,000 FLIGTH CYCLES, REFERENCE 737 NDT PART 6, 51-00-26, FIG 1.