Service difficulty report · Relay · Dhav DHC8102

Difficulty date
February 7, 2008
Submitted
February 10, 2008
Operation
Air carrier
Aircraft
N908HA
Make and model
Dhav DHC8102
Aircraft serial
015
Aircraft time
57,637 hours, 65,430 cycles
Part
Relay
Part number
XD4N
Condition
Failed
Location
Mlg
Part time
57,637 hours, 65,430 cycles
Stage of operation
AP
How discovered
O
Nature of condition
J
Precautionary procedure
O

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

What was found

WHEN LANDING GEAR WAS SELECTED DOWN, THE NOSE GEAR SHOWED AN UNSAFE INDICATION. THE ALTERNATE EXTENSION SYSTEM WAS USED FOR THE NOSE GEAR. THE MAIN GEAR OPERATED NORMALLY WITH NO OTHER CAUTION OR WARNING INDICATIONS. MAINTENANCE SWUNG THE NOSE GEAR, NOTING NO DEFECTS IN THE SYSTEM. THE DRAG STRUT PROXIMITY SENSOR WAS CHECKED AND ADJUSTED, AND THE 3261-K7 RELAY WAS CHANGED. ENTIRE AIRCRAFT WAS THEN JACKED AND FULL GEAR SWINGS WERE DONE. NO DEFECTS WERE NOTED AT THAT TIME AND AIRCRAFT WAS RELEASED FOR SERVICE.