What was found
GYR - FOUND LEFT WING INTERNAL RIB AT WING STATION 135.50 CRACKED FORWARD OF REAR SPAR. REPAIRED THE RIB LOEWR CHORD PER THE BOEING 737-57-1186 SERVICE BULLETIN. (M)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
GYR - FOUND LEFT WING INTERNAL RIB AT WING STATION 135.50 CRACKED FORWARD OF REAR SPAR. REPAIRED THE RIB LOEWR CHORD PER THE BOEING 737-57-1186 SERVICE BULLETIN. (M)