SDR HNAA2015110400325

Service difficulty report · Downlock Sensor · Dhav DHC8102

Difficulty date: November 4, 2015
Submitted: November 4, 2015
Operation: Air carrier
Aircraft: N930HA
Make and model: Dhav DHC8102
Aircraft serial: 126
Aircraft time: 66,792 hours, 75,516 cycles
System (JASC): 3260 · Landing Gear Position and Warning
Part: Downlock Sensor
Condition: Malfunctioned
Location: Nlg
Stage of operation: AP
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

ON FINAL WITH GEAR EXTENDED, APPROXIMATELY 500 FEET BEFORE TOUCHDOWN, PERFORMED ALTERNATE EXTENSION, ALL INDICATIONS NORMAL AFTER LANDING ROLL OUT. NLG RED LIGHT ILLUMINATED, THEN WHEN OUT. LOCKED NLG. NO FURTHER ISSUES. R & R NLG DOWNLOCK PROXIMITY SWITCH IAW MM 32-33-30. SYSTEM OPS CHECKED GOOD.