Service difficulty report · Pump · Airbus A320214

Difficulty date
March 10, 2024
Submitted
March 20, 2024
Operation
Air carrier
Aircraft
N451AV
Make and model
Airbus A320214
Aircraft serial
4051
Aircraft time
33,585 hours, 30,999 cycles
Engine
Cfmint CFM565B43
Engine time
28,731 hours, 25,735 cycles
Part
Pump
Part number
974540
Part serial
G0920689
Condition
Low Pressure
Location
Hyd System B
Part time
33,585 hours, 30,999 cycles
Stage of operation
TO
How discovered
O
Nature of condition
J
Precautionary procedure
C

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

What was found

DURING TAKE OFF THE MESSAGE: HYD B ELEC PUMP LO PR CAME ON E/WD THE THE TAKE OFF WAS ABORTED. HYD B ELEC PUMP LO PR IAW TSM 29-12-00-810-804-A REV 67 WAS REPLACED PUMP - ELECTRIC, BLUE SYSTEM AS PER AMM 29-12-51-000/400-001-A REV 67. WAS INSTALLED THE UNION (3) IN THE PUMP (6) AND TORQUE APPLIED 23.60 LBF.FT. WAS INSTALLED THE ATTENUATOR (12) IN THE PUMP (6) AND TORQUE APPLIED 43.51 LBF.FT. WAS INSTALLED THE UNION (15) IN THE PUMP (6) AND TORQUE APPLIED 78.91 LBF.FT. TORQUE APPLIED THE PRESSURE PIPE (13) 43.51 LBF.FT. TORQUE APLIED THE SEAL DRAIN NUT (11) 12.54 LBF.FT. TORQUE APPLIED THE CASE DRAIN PIPE (2) 23.60 LBF.FT. TORQUE APPLIED THE SUCTION PIPE (16) 78.91 LBF.FT. AND PERFORMED BLEEDING PROCEDURE OF THE BLUE HYDRAULIC SYSTEM DOWNSTREAM OF THE BLUE E PUMP IAW AMM-29-00-00-870-008-A REV.67 AND AMM-29-00-00-870-009-A REV.67 ALL NORMAL. WAS PERFORMED RII INSPECTION DUE REPLACED PUMP - ELECTRIC, BLUE SYSTEM AS PER AMM 29-12-51-000/400-001-A REV 67. ACCUMULATOR WAS REPLACED IAW AMM 29-12-42-000/400-001-A RV 67 TORQUE APPLIED UNION 10 105LBFT, ADAPTER 3 AND VALVE 2 25LBFT, GAGE 1 12LBFT, NUT 12 60LBFT. PERFORMED TEST IAW ST 29-12-42-790-050-A RV 67. PERFORMED RII INSPECTION DUE REPLACEMENT ACCUMULATOR IAW AMM 29-12-42-000/400-001-A RV 67 TORQUE APPLIED UNION 10 105LBFT, ADAPTER 3 AND VALVE 2 25LBFT, GAGE 1 12LBFT, NUT 12 60LBFT. PERFORMED TEST IAW ST 29-12-42-790-050-A RV 67

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