Service difficulty report · Downlock Switch · Gulstm GIV

Difficulty date
October 5, 2019
Submitted
October 10, 2019
Operation
Air carrier
Aircraft
N15Y
Make and model
Gulstm GIV
Aircraft serial
1318
Aircraft time
11,187 hours, 3,786 cycles
Part
Downlock Switch
Part number
1159SCAV4571
Condition
Failed
Location
Nlg
Part time
11,187 hours, 3,786 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

DURING APPROACH INTO KMCI GEAR WAS SELECTED DOWN AND THE NOSE LANDING GEAR DOWN LOCK INDICATION FAILED TO ILLUMINATE. FLIGHT CREW DECLARED AN EMERGENCY AND FOLLOWED CHECKLIST PROCEDURES FOR A GEAR NOT LOCKED CONDITION AND COMPLETED A SAFE LANDING. PINNED ALL LANDING GEAR AND FERRIED AIRCRAFT TO KALN FOR TROUBLESHOOTING AND REPAIR. REPLACED NOSE LANDING GEAR DOWNLOCK INDICATION SWITCH, OPERATIONAL CHECK GOOD, WORK PERFORMED IN ACCORDANCE WITH GIV AMM 32-02-00.