What was found
DURING C-CHECK, FOUND LEFT WING STATION 629, CRACK ON UPPER STRINGER ATTACHMENT TO RIB, 7TH FROM FWD SPAR. DRILLED REPAIR ANGLES AND RADIUS BLOCKS AND INSTALLED REPAIR PER BOEING SB 727-57A-159. (M)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING C-CHECK, FOUND LEFT WING STATION 629, CRACK ON UPPER STRINGER ATTACHMENT TO RIB, 7TH FROM FWD SPAR. DRILLED REPAIR ANGLES AND RADIUS BLOCKS AND INSTALLED REPAIR PER BOEING SB 727-57A-159. (M)