As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CARGO DOOR LIGHT ILLUMINATED CARGO DOOR UNLOCK PASSING THROUGH APPROX 9000 AND 6.5 PSI , THEN WENT OUT AT APPROX 16,000 AND 6.2 PSI. STAYED OUT REMAINDER OF FLIGHT. FOUND AFT AUX LATCH PIN SWITCH BROKEN. REPLACED PER PEMCO MM 52-32-21.