Service difficulty report · Line · Boeing 737347

Difficulty date
September 19, 1999
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N311WA
Make and model
Boeing 737347
Aircraft serial
23597
Part
Line
Part number
AS116080264
Condition
Failed
Location
B Hyd Sys
Stage of operation
CL
Nature of condition
K, J
Precautionary procedure
A

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

What was found

LOST TOTAL HYDRAULIC B-SYSTEM OUANTITY. ENGINE NR 2 LOW PRESSURE LIGHT ILLUMINATED. SYSTEM B-PRESSURE BEGAN TO FLUCTUATE, SYSTEM B QUANTITY DROPPED TO E. ELEC 1 (B SYS) LIGHT THEN ILLUMINATED. FOUND FLEXIBLE HYDRAULIC LINE TO B-SYSTEM ELEC HYDRAULIC PUMP WITH HOLE. REPLACED FLEX LINE, ELEC HYDRAULIC PUMP, AND CASE DRAIN FILTERS. SYSTEM CHECKED GOOD AND A/C RTS AT 2100M.