As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IAD/JFK - FLT 6312 - DURING TAXI AT 1110 HOURS ON 6-15-97, AIRCRAFT RETURNED TO GATE DUE TO LT AIR OFF CAP ILLUMINATED. MAINTENANCE INSPECTED AND OPENED DMI 41141 ON LT PAC, MEL 21-1. MAINTENANCE CLOSED DMI 41141 ON 6-18-97 BY REMOVING AND REPLACING PRESSURE SWITCH, OPS CHECK OK. AIRCRAFT WAS RELEASED AND RETURNED TO SERVICE. (X)