Service difficulty report · Pump · Boeing 7377H4

Difficulty date
February 11, 2023
Submitted
February 13, 2023
Operation
Air carrier
Aircraft
N940WN
Make and model
Boeing 7377H4
Aircraft serial
36900
Aircraft time
44,421 hours, 27,181 cycles
Part
Pump
Condition
Leaking
Location
Zn 600 Right Win
Stage of operation
AP
How discovered
9
Nature of condition
J, K
Precautionary procedure
O

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

What was found

LOSS OF HYDRAULIC B ON FINAL; EMERGENCY DECLARED.<[01] REMOVED AND REPLACED #5 FLIGHT SPOILER DUE TO LEAKING IAW AMM 27-61-51; ALSO R&R #2 ENGINE HYDRAULIC PUMP; B ELECTRIC HYDRAULIC PUMP; AND HYDRAULIC FILTERS CHANGED PRECAUTIONARY IAW AMM 29-11-21;AMM 29-11-11; AMM 29-11-51 AMM 29-11-41;[02] VERIFIED #5 FLIGHT SPOILER ACTUATOR REMOVAL AND INSTALLATION

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