What was found
PDX- MASTER WARNING AND SMOKE WARNING ILLUMINATED INTERMITTANTLY. MAINTENANCE INSPECTED CANNON PLUGS AT CARGO BAY SMOKE DETECTORS, NO DEFECTS. REPLACED MASTER WARNING CONTROL BOX, OPERATIONAL CHECKS GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
PDX- MASTER WARNING AND SMOKE WARNING ILLUMINATED INTERMITTANTLY. MAINTENANCE INSPECTED CANNON PLUGS AT CARGO BAY SMOKE DETECTORS, NO DEFECTS. REPLACED MASTER WARNING CONTROL BOX, OPERATIONAL CHECKS GOOD.