As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE BELOW PART INSTALLED ON THIS AC DOES NOT MATCH THE AC EFFECT IVITY. PLEASE CONFIRM PN IS EFFECTIVE FOR THIS AC AND ENTER DETA ILS ALONG WITH A PICTURE OF THE IPC IN THE SIGN OFF. IF ASSISTAN CE IS REQUIRED IN DETERMINING PROPER EFFECTIVITY, VERIFIED PN# 500-12YFCAL, M& E # 99-2560-9-9001 ELT IS EFFECTIVE TO A/C 0501 IAW B737NG IPC 25-64-00-55.