Service difficulty report · Pump · Bombdr BD1001A10

Difficulty date
October 6, 2024
Submitted
October 8, 2024
Operation
Air carrier
Aircraft
N769QS
Make and model
Bombdr BD1001A10
Aircraft serial
20539
Aircraft time
10,268 hours, 5,993 cycles
Part
Pump
Part number
5116006
Part serial
K1065
Condition
Defective
Location
Hyd System
Stage of operation
NR
How discovered
O
Nature of condition
M, J
Precautionary procedure
O

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

What was found

INFLIGHT EICAS MESSAGE: L HYD TEMP HIGH. COMPLIED WITH QRH FOLLOWED BY L HYD PRESS LOW, SPOILERS FAULT, L HYD SOV CLOSED. HYD PUMP NOT AUTO (DUE TO QRC) CORRECTIVE ACTION: REMOVED AND REPLACED LH ENG DRIVEN PUMP, IAW CL 350 AMM 29-12-01-400-801 ALL LH HYD SYSTEM FILTERS WERE REPLACED TWICE.(REFER TO WO 2447126.) BLEED AND SERVICE WAS PERFORMED MULTIPLE TIMES FINAL HYD FLUID SAMPLE WAS TAKEN AND SENT FOR ANALYSIS.