Service difficulty report · Module · Boeing 7377H4

Difficulty date
July 10, 2022
Submitted
July 11, 2022
Operation
Air carrier
Aircraft
N945WN
Make and model
Boeing 7377H4
Aircraft serial
36660
Aircraft time
40,215 hours, 24,428 cycles
Part
Module
Condition
Leaking
Location
Cabin
Stage of operation
AP
How discovered
9
Nature of condition
O
Precautionary procedure
K

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

What was found

TOTAL AND IMMEDIATE LOSS OF HYDRAULIC B SYSTEM FLUID FOLLOWING INITIAL FLAP SELECTION ON APPROACH. / [01] FOUND FLOW LIMITER ASSEMBLY MODULE LEAKING. REMOVED AND REPLACED I/A/W AMM 29-00-00 REMOVED AND REPLACED EDP CASE DRAIN FILTER I/A/W AMM 29-11-51 REMOVED AND REPLACED EMDP CASE DRAIN FILTER I/A/W AMM 29-11-41 REMOVED AND REPLACED RETURN FILTER I/A/W AMM 29-11-61 REMOVED AND REPLACED MODULE FILTER I/A/W AMM 29-11-71 SERVICED B HYDRAULIC RESERVOIR I/A/W AMM 12-12-00 LEAK AND OPS CHECK GOOD

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