Service difficulty report · Pump · Airbus A320251N

Difficulty date
September 11, 2025
Submitted
September 15, 2025
Operation
Air carrier
Aircraft
N764AV
Make and model
Airbus A320251N
Aircraft serial
7887
Aircraft time
28,368 hours, 8,547 cycles
Engine
Cfmint LEAP1A26
Engine time
8,867 hours, 2,559 cycles
Part
Pump
Part number
3022143000
Part serial
G1720733
Condition
Faulted
Location
Hyd Sys
Part time
28,368 hours, 8,547 cycles
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

HYD B SYS LO LVL FOLLOWED BY B SYS LO PR BLUE ELEC PUMP WAS TURNED OFF REQUEST BY ECAM WAS REMOVED THE HYD PUMP BLUE SYS (2075GJ) DUE WAS FOUND WITH HYD LEAK AT DRAIN IAW AMM TASK 29-12-51-000-001-A REV 73 WAS INSTALLED THE HYD PUMP BLUE SYS (2075GJ) IAW AMM TASK 29-12-51-400-001-A REV 73. TORQUE APPLIED TO PRESSURE PIPE (13) 265 LBF.IN, DRAIN NUT (11) 145 LBF.IN, CASE DRAIN PIPE (2) 265 LBF.IN AND SUCTION PIPE (16) 760 LBF.IN THEN WAS PERFORMED BLEEDING PROCEDURES OF THE BLUE HYD SYS UPSTREAM & DOWNSTREAM OF BLUE E-PUMP IAW AMM 29-00-00-870-008-A REV 73 REV-. TORQUE APPLIED TO NUT OF THE CASE DRAIN LINE (2) 265 LBF.IN & AMM 29-00-00-870-009-A TEST OK REV 73 REV-. PERFORMED LEAK CHK & NO HYD LEAKS FOUND.

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