Service difficulty report · Fuse · Boeing 7377H4

Difficulty date
July 8, 2023
Submitted
July 10, 2023
Operation
Air carrier
Aircraft
N925WN
Make and model
Boeing 7377H4
Aircraft serial
36630
Aircraft time
49,641 hours, 30,036 cycles
Part
Fuse
Part number
UNKNOWN
Condition
Failed
Location
Zn 400 Nacelle/P
Stage of operation
CR
How discovered
9
Nature of condition
J, K, O
Precautionary procedure
A, O

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

What was found

B HYD SYSTEM FAILURE<[01] REMOVED AND REPLACED #2 ENGINE DRIVE HYDRAULIC PUMP IAW MM 29-11-11<BR>REMOVED AND REPLACED B SYSTEM ELECTRIC HYDRAULIC PUMP IAW MM 29-11-21<BR>REMOVED AND REPLACED B SYSTEM HYDRAULIC FILTERS AND HYDRAULIC FUSE IAW MM 29-11-41<BR><BR>OPS CHECKS GOOD

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