SDR MALA030186

Service difficulty report · Uplock Switch · Saab SF340A

Difficulty date: March 3, 2003
Submitted: March 4, 2003
Operation: Air carrier
Aircraft: N27XJ
Make and model: Saab SF340A
Aircraft serial: 340A027
System (JASC): 3260 · Landing Gear Position and Warning
Part: Uplock Switch
Condition: Frozen
Location: Mlg
Stage of operation: NR
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 FLIGHT 3329, GEAR INTRANSIT LIGHT WOULD NOT EXTINGUISH WHEN GEAR SELECTED UP POSITION HYDRAULIC PUMP SEEMS TO WORK NORMALLY. MAINTENANCE FOUND LT MAIN GEAR UPLOCK SWITCH FROZEN. CLEANED SWITCH, CYCLED LANDING GEAR 5 TIMES IAW SAAB AMM 32-30-00. ALL CHECKS GOOD.

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