SDR 01242006D

Service difficulty report · Pump · Saab 340B

Difficulty date
January 21, 2006
Submitted
February 1, 2006
Operation
Air carrier
Aircraft
N193CJ
Make and model
Saab 340B
Aircraft serial
193
Aircraft time
29,828 hours, 34,460 cycles
Engine
Ge CT71
Part
Pump
Part number
4018502
Part serial
AH93471
Condition
Inoperative
Location
Hydraulic Sys.
Stage of operation
LD
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

ON SHORT FINAL TO LAND HYDRAULIC LIGHT ILLUMINATED WHEN LANDING GEAR WAS SELECTED DOWN. PERFORMED HYDR LIGHT ON ABNORMAL CHECK LIST. 3 GREEN LANDING GEAR WAS ACHIEVED. UNABLE TO GAIN ANY FLAPS. PULLED EMERGENCY HANDLE TO GET GEAR 3 GREEN AND HAND PUMP WOULD NOT WORK. DURING TROUBLESHOOTING FOUND ELECTRIC DRIVEN HYDRAULIC PUMP TO BE INOPERATIVE. REMOVED AND REPLACED HYDRAULIC PUMP MOTOR IAW 29-10-075 PN ON/OFF 40185-02, SN ON EQ02, SN OFF AH-93471. ALSO PERFORMED LANDING GEAR SYSTEM RETRACTION AND EXTENSION IAW 32-30-00-5 OPS CHECK GOOD. FLAPS ALSO OPS CHECKED GOOD.

More about the Saab 340B