Service difficulty report · O-Ring · Boeing 757232

Difficulty date
August 5, 2017
Submitted
August 9, 2017
Operation
Air carrier
Aircraft
N684DA
Make and model
Boeing 757232
Aircraft serial
27104
Aircraft time
81,817 hours, 33,662 cycles
Part
O-Ring
Condition
Failed
Location
Hyd System
Stage of operation
IN
How discovered
O
Nature of condition
K, J
Precautionary procedure
K

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

What was found

LEFT HYD SYSTEM FAILURE. FOUND A LEAK COMING FROM FLAP/SLAT DEPRESS MODULE. R & R O-RING. REMOVED AND REPLACED CASE DRAIN AND PRESSURE FILTERS IN EDP AND PTU. ALSO R & R PTU. ALL CHECKED NORMAL.