What was found
DURING LINE CHECK, FOUND A .25 INCH CRACK IN THE AFT PRESSURE BULKHEAD UPPER CORNER DOUBLER AND WEB SKIN. REPAIRED SAME (P/N 5910130-13, -111, -113) PER EA DC9-53-024, SB53-166, AND DWG J060110.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING LINE CHECK, FOUND A .25 INCH CRACK IN THE AFT PRESSURE BULKHEAD UPPER CORNER DOUBLER AND WEB SKIN. REPAIRED SAME (P/N 5910130-13, -111, -113) PER EA DC9-53-024, SB53-166, AND DWG J060110.