Service difficulty report · Switch · Dhav DHC8311

Difficulty date
June 7, 2017
Submitted
June 9, 2017
Operation
Air carrier
Aircraft
N331EN
Make and model
Dhav DHC8311
Aircraft serial
279
Aircraft time
52,874 hours, 62,584 cycles
Part
Switch
Condition
Damaged
Location
Mlg
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

DURING APPROACH, RECEIVED THREE GEAR RED UNSAFE LIGHTS, WITH GEAR HANDLE SELECTED DOWN, NO CAUTION LIGHTS ILLUMINATED. WHILE EXECUTING ALTERNATE GEAR EXTENSION PROCEDURE, RED SWITCH GUARD PUSHED UP, GEAR CAME DOWN WITH THREE GREEN LIGHTS, VERIFIED ALT EXTENSION LIGHT, NORMAL LANDING. PERFORMED PSEU TESTS IAW AMM 32-61-50. NO DEFECTS NOTED. INSPECTED INHIBIT SWITCH AND FOUND LOOSE HARDWARE. REMOVED AND REPLACED THE SWITCH IAW 32-61-00. OPS CHECKED GOOD. OK FOR SERVICE. SWUNG GEAR 14 TIMES AND PERFORMED ALTERNATE L/G EXTENSION.