What was found
DURING CHECK-C MAINTENANCE, FOUND RIB STA 686.5 STRINGER 10 CRACKED AT UPPER STRINGER TO RIB ATTACHMENT. STOP DRILLED CRACK AND INSTALLED REPAIR PER SSRM 57-20-210, PAGE 213 AND SERVICE BULLETIN 57-A159.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING CHECK-C MAINTENANCE, FOUND RIB STA 686.5 STRINGER 10 CRACKED AT UPPER STRINGER TO RIB ATTACHMENT. STOP DRILLED CRACK AND INSTALLED REPAIR PER SSRM 57-20-210, PAGE 213 AND SERVICE BULLETIN 57-A159.