Service difficulty report · O-Ring · Boeing 757236

Difficulty date
September 11, 2018
Submitted
September 11, 2018
Operation
Air carrier
Aircraft
N960FD
Make and model
Boeing 757236
Aircraft serial
25593
Aircraft time
68,255 hours, 23,779 cycles
Part
O-Ring
Condition
Damaged
Location
Hydraulic Sys
Stage of operation
AP
How discovered
O
Nature of condition
K, J
Precautionary procedure
O

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

What was found

LT HYD QTY EICAS MSG INFLT ON FINAL FOUND O-RING DAMAGED ON DIFFERENTIAL PRESSURE INDICATOR AT LEFT PYLON FILTER MODULE. REMOVED AND REPLACED BOTH O-RINGS AND SERVICED LEFT SYSTEM RESERVOIR REF AMM 29-11-17-4. A/C OK FOR SERVICE.