What was found
PHX - DOOR 4L DOES NOT DISARM. MECHANICAL LINKAGE MOVE BUT INDICATOR LIGHT REMAINS ON, INTERMITTENTLY. REMOVED EXCESSIVE GREASE FROM PROX SENSOR TRACK, OPS CHECKED GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
PHX - DOOR 4L DOES NOT DISARM. MECHANICAL LINKAGE MOVE BUT INDICATOR LIGHT REMAINS ON, INTERMITTENTLY. REMOVED EXCESSIVE GREASE FROM PROX SENSOR TRACK, OPS CHECKED GOOD.