Service difficulty report · Line · Boeing 72729

Difficulty date
April 22, 1999
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N712DH
Make and model
Boeing 72729
Aircraft serial
19401
Part
Line
Part number
82060C08N
Condition
Ruptured
Location
Nr 2 Hyd Pump
Stage of operation
CR
Nature of condition
K
Precautionary procedure
O

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

What was found

HYDRAULIC B PUMP NR 2 FAILED AND NR 1 PUMP FAILED INTERMITTENTLY AND PRESSURE DROPPED TO 2000 PSI INTERMITTENTLY. NR 2 PUMP PRESSURE LINE BROKEN. REMOVED AND REPLACED LINE PER MM 29-12-11. INSPECTED AND CHANGED BOTH CASE DRAIN FILTERS AS PRECAUTION. RAN AND LEAK CHECKED OK.

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