Service difficulty report · O-Ring · Aerosp ATR72212

Difficulty date
April 25, 2011
Submitted
April 26, 2011
Operation
Air carrier
Aircraft
N434AT
Make and model
Aerosp ATR72212
Aircraft serial
434
Aircraft time
28,430 hours, 31,351 cycles
Part
O-Ring
Condition
Leaking
Location
Hyd System
Stage of operation
CR
How discovered
O
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

AFTER 15 MIN ENROUTE LOW LEVEL LIGHT ON GREEN CAME ON THEN 10 MIN LATER LO PR LIGHT ON. EMERGENCY DECLARED. REMOVED AND INSTALLED HYDRAULIC PRESSURE MODULE (GREEN SYSTEM) CHECK VALVE O-RINGS I.A.W. CMM 29-11-53, ALSO PERFORMED NORMAL EXTENSION AND RETRACTION CHECK I.A.W. JIC 32-31-00OPS CHK GOOD NO LEAKS NOTED. AWAITING AML FROM MIA FOR PARTS REPLACEMENT INFORMATION.

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