As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT CARGO DOOR OPEN INDICATION AT 3000 FT, DURING CLIMBOUT. C/W CARGO LATCH AND INDICATION CHECK. BOTH INDICATE NORMAL. ITEM IS INTERMITTENT. PROX SENSORS AND TARGETS. AFT CARGO DOOR OPEN/CLOSE PROX SENSOR (32WV) REPLACED. OP CHECK GOOD. ADJUSTEMT WITHIN LIMITS IAW AMM: 57-71-12/401.