As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE FALSE SPAR AND WING RIB AT STA 69.24 ON THE LEFT WING WERE FOUND BROKEN AT THE 100-HOUR INSPECTION. SUBMITTER BELIEVES IT WAS CAUSED BY A HARD OR FAST LANDING, ALTHOUGH NONE WERE REPORTED. AD 73-11-02 REFERS TO THIS PROBLEM, HOWEVER, DOES NOT APPLY TO THIS S/N ACFT. PIPER KIT 760-696V IS INSTALLED. REPAIR WILL BE DONE BY INSTALLATION OF NEW RIB AND FAKE SPAR.