Service difficulty report · Pump · Bombdr DHC8402

Difficulty date
November 16, 2009
Submitted
November 20, 2009
Operation
Air carrier
Aircraft
N428QX
Make and model
Bombdr DHC8402
Aircraft serial
4160
Aircraft time
6,352 hours, 6,809 cycles
Part
Pump
Part number
6617303
Part serial
K0094
Condition
Failed
Location
Hyd System
Part time
19,260 hours, 19,873 cycles
Stage of operation
AP
How discovered
O
Nature of condition
K, J
Precautionary procedure
O

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

What was found

BLI- ON FINAL NR 1 HYD PUMP CAUTION LIGHT WITH OTHER ASSOCIATED LIGHTS CAME ON. SELECTED STANDBY THROUGH NORMAL CHECKLIST, THEN LOST ALL HYD QUANTITY ON NR 1 SYS. LANDED WITH NO FLUIDS, ENOUGH PRESSURE TO PARK, THEN LOST BRAKES AT PARKING. PERFORMED INSP OF NR1 HYD EDP AFTER OPERATION WITHOUT HYD FLUID IAW TASK 05-54-00-280-801, PAR 1-5(A) (6A). REPLACED NR 1 EDP IAW 29-11-01-000-801/400-801. PERFORMED FLUSH OF NR 1 SYS IAW 29-10-00-617-802,PAR M (1) (A-Z). NO DPI WERE POPPED. OPS AND LEAK CHECKS GOOD. FLUSHED HYD SYS. RETURNED TO SERVICE.