Service difficulty report · Pump · Boeing 7377H4

Difficulty date
June 18, 2021
Submitted
June 21, 2021
Operation
Air carrier
Aircraft
N966WN
Make and model
Boeing 7377H4
Aircraft serial
36966
Aircraft time
32,163 hours, 19,675 cycles
Part
Pump
Condition
Leaking
Location
B Hyd System
Stage of operation
NR
How discovered
9
Nature of condition
O
Precautionary procedure
O

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

What was found

LOSS SYSTEM B HYDRAULIC FLUID INFLT BOTH LOW PRESS LIGHTS ILLUMINATED ELEC 1B ENG 2 ; / FOUND FLAP FLOW LIMITER FUSE LEAKING. R/R EDP AND EDMP CASE DRAIN FILTERS FOR B SYS; REPLACED B SYS RETURN FILTER. FOUND NO EVIDENCE OF DEBRIS OR METALIC PARTICLES; RESERVICED B RESEVOIR AND OPS CHECKED ALL SYSTEMS PER AMM REF 29-00-00 AND FIM 29-11-00-810 TASK 802

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