Service difficulty report · Pump · Boeing 767322

Difficulty date
October 31, 2019
Submitted
November 3, 2019
Operation
Air carrier
Aircraft
N657UA
Make and model
Boeing 767322
Aircraft serial
27112
Aircraft time
109,434 hours, 16,859 cycles
Part
Pump
Part number
623303
Condition
Failed
Location
Hydraulic Sys
Stage of operation
CR
How discovered
O
Nature of condition
J
Precautionary procedure
A

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

What was found

WITH THE R ELEC HYD PUMP ON/R LOW PRESSURE SYS. AND BRAKE SOURCE LIGHT CAME ON/FOLLOW QRH. ACMP SHOWS FLUCTUATIONS IN PRESSURE WHEN A LOAD WAS APPLIED. REMOVED ACMP IAW AMM 29-11-01-024-001 AND ORDERED REPLACEMENT VIBRATION MOUNTS AND HARDWARE. REPLACED RIGHT HYDRAULIC PUMP REFERENCE LOG PAGE 3654005. LP 3654005- REMOVED AND REPLACED RIGHT ELEC HYDRAULIC PUMP PER AMM 29-11-01. OPS CHECK GOOD NO LEAKS. ROTABLE PARTS CHANGE WAS INDICATED - TT # 1352928 SN OFF 9029 PUMP, AC MOTOR OFF 75-2914-9-0001 9029 ON 75-2914-9-0001 0379.