As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 5910916 - DURING BC-4 CHECK, FOUND LEVEL 2 GALVANIC CORROSION ALONG CENTRAL FITTING AT L1 DOOR THRESHOLD AREA BETWEEN FR 16 AND FR 20 Y1860. MAINTENANCE REPLACED CENTRAL FITTING ON L1 FROM FR 16 TO FR 20 Y1860 IAW SRM A319 51-72-11.