Service difficulty report · Pump · Boeing 7378H4

Difficulty date
June 26, 2025
Submitted
June 30, 2025
Operation
Air carrier
Aircraft
N8571Z
Make and model
Boeing 7378H4
Aircraft serial
36957
Aircraft time
23,285 hours, 12,012 cycles
Part
Pump
Condition
Low Pressure
Location
Hyd System
Stage of operation
CL
How discovered
O
Nature of condition
J
Precautionary procedure
O

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

What was found

SYSTEM B ENGINE DRIVEN HYDRAULIC PUMP LOW PRESSURE LIGHT ILLUMINATED DURING CLIMBOUT<[01] REMOVED AND REPLACED #2 ENGINE EDP PER AMM 29-11-11. REF TTG8Q013DU57 FOR PARTS TRANSACTION AND FINAL ACTION.NO FURTHER DEFECTS NOTED.

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