SDR MALA020510

Service difficulty report · Control Valve · Saab 340B

Difficulty date: August 23, 2002
Submitted: August 27, 2002
Operation: Air carrier
Aircraft: N457XJ
Make and model: Saab 340B
Aircraft serial: 340B457
System (JASC): 3230 · Landing Gear Retraction/Extension System
Part: Control Valve
Part number: HP84843072
Part serial: ON1213
Condition: Defective
Stage of operation: LD
How discovered: V
Nature of condition: O
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 #3309 LANDING GEAR WOULD NOT EXTEND INFLIGHT. RESET F7 C/B WAS RESET PER QRH AND GEAR EXTENDED SUCCESSFULLY. MAINTENANCE REMOVED AND REPLACED LANDING GEAR CONTROL VALVE, PERFORMED GEAR SWINGS, AND LEAK CHECK GOOD. IAW AMM 32-31-15-4 PN HP848430-72 SN/ON 1213, SN/OFF 2102 A/C OK FOR SERVICE

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