As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT AIRSTAIR LIGHT ILLUMINATED IN FLIGHT CLIMBING THROUGH 18,000 AT 310 KTS. LIGHT REMAINED ON 30 MINUTES, EXTINGUISHED ONCE DESCENDED AND SLOWED TO LAND. RELEASED FOR SERVICE PER MEL/CDL: 52-06-B CATEGORY: C EXPIRATION: 26MAR04, MEL 52-06-B: AMBER AFT AIRSTAIR DOOR WARNING LIGHT INOP.