Service difficulty report · Control Valve · Saab 340B

Difficulty date
May 19, 2021
Submitted
May 21, 2021
Operation
Air carrier
Aircraft
N350AG
Make and model
Saab 340B
Aircraft serial
340B450
Aircraft time
37,946 hours, 42,110 cycles
Part
Control Valve
Part number
HP848430722
Part serial
2054
Condition
Bypassing
Location
Mlg
Stage of operation
AP
How discovered
O
Nature of condition
S
Precautionary procedure
O

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

What was found

FLIGHT: 147 FLL/JAX LANDING GEAR FAILED TO GO DOWN AND LOCK DURING INITIAL APPROACH, REMAINED IN TRANSIT WITH LIGHT ON AND HYDRAULICS NORMAL, EMERGECNY GEAR HANDLE PULLED GEAR EXTENDED LOCKED DOWN. CORRECTIVE ACTION: REPLACED LANDING GEAR CONTROL VALVE OPERATIONAL CHECK SATISFACTORY.

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