SDR LR7A2020092102642

Service difficulty report · Uplock · Lkheed 382G44K30

Difficulty date: September 21, 2020
Submitted: September 22, 2020
Operation: Air carrier
Aircraft: N403LC
Make and model: Lkheed 382G44K30
Aircraft serial: 4590
Aircraft time: 66,994 hours, 33,748 cycles
System (JASC): 3260 · Landing Gear Position and Warning
Part: Uplock
Part number: 3588005
Part serial: RS30995
Condition: Broken
Location: Nlg
Stage of operation: LD
How discovered: O
Nature of condition: J
Precautionary procedure: L

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

What was found

DURING LANDING ON SCHEDULED FLIGHT, NLG UNSAFE INDICATION. VERIFIED VISUALLY DOWN AND LOCKED. FOUND WIRE NR 2 ON UPLOCK SWITCH BROKEN. REMOVED AND REPLACED UPLOCK SWITCH FOR BROKEN WIRES AND PHYSICAL DAMAGE. LEAK CHECKS, ADJUSTMENTS, RETRACTION/EXTENSION CHECKS GOOD. EMERGENCY EXTENSION CHECKS GOOD, IAW SMP581 CH 32-30.