As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON TAXI OUT, BULK CARGO DOOR LIGHT ILLUMINATED AFTER ENGINE START. AIRCRAFT RETURNED TO BLOCKS. (BTB). T/S BULK CARGO IND. FOUND PROXIMITY SENSOR GAP OUT OF LIMITS, ADJUSTED PROXY SENSOR GAP PER AMM 52-71-00. OPS CHECKED OK. DI 62576 CLOSED. PLACARD REMOVED. AIRCRAFT RETURNED TO SERVICE.