SDR MALA010761

Service difficulty report · Downlock Switch · Saab 340B

Difficulty date: October 18, 2001
Submitted: October 25, 2001
Operation: Air carrier
Aircraft: N415XJ
Make and model: Saab 340B
Aircraft serial: 340B415
System (JASC): 3230 · Landing Gear Retraction/Extension System
Part: Downlock Switch
Part number: AIR130902
Condition: Defective
Stage of operation: LD
How discovered: L
Nature of condition: J
Precautionary procedure: K

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

What was found

During Flight #3101, the LH Main Landing gear didn't show down and locked. Completed QRH and cycled gear. All 3 showed down and locked, then the LH Green light flickered off/on several times, continued to flicker while taxing to the gate. Maintenance replaced LH Main Gear Downlock Switch, PN Air130902, all checks good. All work done IAW Saab MM Chap 32-61-05.

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