Service difficulty report · Pump · Doug MD11F

Difficulty date
March 22, 2017
Submitted
March 22, 2017
Operation
Air carrier
Aircraft
N625FE
Make and model
Doug MD11F
Aircraft serial
48753
Aircraft time
72,820 hours, 14,401 cycles
Part
Pump
Part number
6304106
Part serial
169050AB
Condition
Damaged
Location
Hydraulic Sys
Stage of operation
TX
How discovered
O
Nature of condition
K
Precautionary procedure
D

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

What was found

HOLDING SHORT OF RWY 5R IND RECEIVED LVL 2 HYD 2 QTY LOW. PUT HYD SYS IN MANUAL TURNED HYD PUMPS OFF. TEMP WAS 33C AT HYD PUMP SHUTOFF. HYD QTY WENT TO ZERO. PER CREW DEBRIEF, HYDRAULIC QUANTITY WAS 1.1 WHEN PUMPS WERE SHUTOFF AND PUMPS WERE NOT OPERATING WHEN QUANTITY REACHED ZERO. HYDRAULIC FLUID COMING FROM CENTER GEAR WELL, ENTIRE AREA SPRAYED WITH FLUID. REMOVED NR 2/3 HYD RMP REF AMM 29-22-20-2. SWAPPED OVER FITTINGS AND NEW PUMP IS READY TO INSTALL. INSTALLED NR 2 RMP REF MM 29-22-20-2. SERVICED HYD SYSTEMS 2 & 3 REF MM 12-13-02-3. ALL INDICATIONS AND OPERATION NORMAL. REVERSIBLE MOTOR PUMP PN 63041-06 SN 169050AB.

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