SDR MALA020110

Service difficulty report · Selector Valve · Bac AVRO146RJ85A

Difficulty date: January 3, 2002
Submitted: January 17, 2002
Operation: Air carrier
Aircraft: N520XJ
Make and model: Bac AVRO146RJ85A
Aircraft serial: E2345
System (JASC): 3230 · Landing Gear Retraction/Extension System
Part: Selector Valve
Condition: Faulty
Stage of operation: CR
How discovered: L
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 #3631, at 12,000 Ft level Right Main Gear appeared to drop from the well. Indication of down, locked. Also Aircraft slowed considerably Auto Throttle and Auto Pilot were engaged. Gear appeared to drop at 290 Kt. indicated. All hydraulic pressure and quantity normal. Landed with out incident and gear worked normally. Maintenance suspects faulty Landing Gear Selector Valve, replaced Valve IAW AMM, performed several Gear swings with no occurance. All checks good at this time.