Service difficulty report · Striker · Cessna 560XL

Difficulty date
May 26, 2015
Submitted
May 26, 2015
Operation
General aviation
Filed by
17GR159B
Sweet Aviation LLC
Aircraft
N851AC
Make and model
Cessna 560XL
Aircraft serial
5605575
Aircraft time
5,472 hours, 4,987 cycles
Part
Striker
Part number
62901143
Condition
Binding
Location
Pax Door
Part time
5,472 hours, 4,987 cycles
Stage of operation
TX
How discovered
O
Nature of condition
N
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

INTERMITTENT DOOR UNLOCK LIGHT. OPENING AND CLOSING THE DOOR MULTIPLE TIMES WOULD RESULT IN A LOCKED INDICATION. UN-LOCK LIGHT ON PILOTS PANEL OFF. DISCOVERED THAT THE STRIKER PLATE FOR THE DOOR PROXIMITY LOCK SWITCH WAS CONTACTING THE COVER HOLDING THE SWITCH STRIKER PLATE IN THE LOCKED POSITION. WHEN THE DOOR CLOSES A PCB LOOKS FOR A SERIES OF SWITCHES IN SEQUENCE TO PROVE THE DOOR CLOSED AND LOCKED. THIS SWITCH BEING ACTIVE IN LOCKED POSITION WITH THE DOOR OPEN WOULD THROUGH OFF THE LOCKING SEQUENCE RESULTING IN AN ERRONEOUS UNLOCKED STATUS.

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