Service difficulty report · Line · Boeing 7378

Difficulty date
May 21, 2023
Submitted
May 22, 2023
Operation
Air carrier
Aircraft
N8727M
Make and model
Boeing 7378
Aircraft serial
42576
Aircraft time
12,008 hours, 5,310 cycles
Part
Line
Condition
Faulty
Location
Zn 200 Fus Top
Stage of operation
CR
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 SYSTEM B HYDRAULIC.<[01] REMOVED AND REPLACED B SYSTEM EMDP PER AMM 29-11-21; LEAK AND OPS CHECK GOOD;[02] CW FILTER CHANGE;[03] REF LP 0472836E FOR CLOSING ACTION; ITEM REMAINS OPEN;[04] REMOVE AND REPLACE 'B' EDP PER AMM 29-11-11. REMOVE AND REPLACE EDP HYDRAULIC PRESSURE LINE PER AMM 20-10-52. REPLACE SYSTEM B FILTERS PER AMM 29-11-00. NO LEAKS AND OPS CHECK GOOD. EV# E022550.

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