As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LOC WAS CAPTURED WITH AIII ARMED. WHEN THE GS CAPTURED NO AIII APPEARED. CYCLED NAV 1 + 2 FREQUENCIES BUT AIII WOULD NOT ACQUIRE. ATTEMPTED APPROACH A SECOND TIME + AIII WORKED FINE. REMOVED AND INSTALLED NEW NR 3 VHF NAV RECEIVER. PERFORMED OPERATIONAL TEST OF NR 3 VHF NAV RECEIVER IAW TC 6343506, ALL CHECKS GOOD. A/C AND PLACARD NOW READS CAT III. RETURNED TO SERVICE.