As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LT REVERSE FAILS TO DEPLOY. IAW WDM 32-09-11 PG5C SH2 FOUND WEAK DIODE R10319. CHECKED WIRING FROM K199 X2 TO K177 12. WIRING CONTINUITY GOOD & NO SHORTS TO GND. REPLACED DIODE R10319. LT REVERSE OPERATIONS NORMAL WITH OR WITHOUT ENGS RUNNING.