Piper Aircraft Corporation Malibu Mirage PA-46-350P, Airplane Maintenance Manual

Page: 1193 / 1956

PAGE 1
Feb 28/07 6H9
52-70-00
PIPER AIRCRAFT, INC.
PA-46-350P, MALIBU MIRAGE
MAINTENANCE MANUAL
Trouble Cause Remedy
Cabin door unsafe light will Latching relay sticking in the Lubricate the mechanical
not go out. open position. parts (sparingly).
Switch or switches in door Adjust.
frame out of adjustment.
Short to ground. Check wiring and repair.
Cabin door unsafe light will Circuit breaker open. Reset circuit breaker.
not come on.
Broken wire or loose Check wiring and repair.
connection.
CHART 1
TROUBLESHOOTING CABIN DOOR AJAR WARNING SYSTEM
C. Switches
(1) Removal
(a) Gain access to the switches. They are located approximately four (4) inches in front of
each of the forward door locking pins.
(b) Disconnect the two electrical leads (per switch).
(c) Loosen the jam nut on the switch and turn the switch body out of the pin support tube
assembly.
(2) Installation
(a) Turn the switch body into the pin support tube assembly. Do not tighten the jam nut at this
time.
(b) Adjust the switches per the following paragraph.
(c) Reconnect the two electrical leads (per switch).
MONITORING AND OPERATION
1. Cabin Door Ajar Warning
A. Description
The cabin door ajar warning system consists of two switches mounted in the W.L. 76.15 and W.L.
71.47 longerons. These switches are activated by the two forward door locking pins pushing on two
switch actuating pins. A DOOR AJAR light is provided in the annunciator panel.
B. Troubleshooting
See Chart 1.