Service difficulty report · Pressure Switch · Boeing 757224

Difficulty date
July 2, 2024
Submitted
July 3, 2024
Operation
Air carrier
Aircraft
N33132
Make and model
Boeing 757224
Aircraft serial
29281
Aircraft time
91,206 hours, 19,764 cycles
Part
Pressure Switch
Part number
S271T45218
Part serial
W01163
Condition
Unknown
Stage of operation
CL
How discovered
O
Nature of condition
J
Precautionary procedure
A

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

What was found

L HYD QTY 0 L SYS PRESS 0 L RSVR MSG ON HYD PG FLAGGING FOR SDR R&R L ENGINE HYD SYSTEM PRESSURE SWITCH REF B757 FIM 27-21 FAULT TREE 809, AMM 29-11-17-004-001. PERFORMED L ENGINE OPPS AND LEAK CHECK OF LEFT HYD SYSTEM, OPS CHECK GOOD. CLEANED LH HYD QTY INDICATOR CANNON PLUG. ALL INDICATIONS NORMAL AT THIS ADD EMP:U412272 TIME. PARTS USED: 19-2911-3-0095,QTY :1 40-0595-3-1976,QTY :1 PARTS USED: 19-2911-3-095,QTY :1 40-0595-3-1976,QTY :1