Service difficulty report · Pump · Saab 340B

Difficulty date
March 4, 2024
Submitted
March 5, 2024
Operation
Air carrier
Aircraft
N187JF
Make and model
Saab 340B
Aircraft serial
187
Aircraft time
53,386 hours, 61,477 cycles
Engine
Ge CT79B
Engine time
36,283 hours, 46,328 cycles
Propeller
Rotol R3894123F25
Part
Pump
Part number
4018502
Part serial
H177
Condition
Failed
Location
Hyd System
Stage of operation
AP
How discovered
O
Nature of condition
J
Precautionary procedure
H, A

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

What was found

DURING APPROACH TO KMIA NOTICED HYDRAULIC PRESSURE DECREASED. CWP HYD LIGHT ILLUMINATED. EXPERIENCED TOTAL HYDRAULIC LOSS. COMPLIED WITH QRH. MANUALLY LOWERED GEAR AND FLAPS, SUCCESSFULLY LANDED AND STOPPED ON TAXIWAY. MAINTENANCE REMOVED AND REPLACED ELECTRIC DRIVEN HYDRAULIC PUMP AND RETURNED AIRCRAFT TO SERVICE.

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