Service difficulty report · Line · Boeing 757224

Difficulty date
January 5, 2025
Submitted
January 6, 2025
Operation
Air carrier
Aircraft
N12125
Make and model
Boeing 757224
Aircraft serial
28967
Aircraft time
95,785 hours, 23,168 cycles
Engine
Rroyce RB211535E4B3
Engine time
60,392 hours, 14,027 cycles
Part
Line
Part number
556115490000
Part serial
M850601
Condition
Cracked
Location
Nr 2 Eng Oil
Stage of operation
CR
How discovered
O
Nature of condition
K, J
Precautionary procedure
E, A

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

What was found

ENG OIL PRESS RIGHT ECIAS MESSAGE AT CRUISE PER QRH THE RIGHT E NGINE WAS SHUTDOWN ADDED 21 QTS OF ENGINE OIL TO THE #2 ENGINE. CLEANED AREA AND DRY MOTORED THE #2 ENGINE TO VERIFY OIL LEAK. FOUND THE #2 ENGINE OIL PRESSURE TRANSMITTER BRAIDED OIL LINE STREAMING OIL DUE TO CHAFE BETWEEN THE BRAIDED LINE AND THE TRANSMITTER ADAPTOR. SEE PICTURES. REFERENCE IPC 79-21-05-14 ITEM 70. ITEM 50 FOR THE ORING. PARTS ARE ON AOG WITH AN ETA OF 1600 LOCAL TIME. EICAS AUTO SNAPSHOT PIC. CREW STATED #2 ENG HAD POSITIVE OIL PRESSURE AT SHUTDOWN. DID NOT EXCEED 30 MIN TO LANDING. REPLACED PIPE ASSY P/N 556-1-15490-000. REF ENGINE MANUAL 72-00-61, SUBTASK 72-00-61-420-084. ACP ENG IDLE RUN LEAK TEST , REF AMM 71-00-00. NO LEAKS NOTED ON 5 MIN IDLE RUN. COMPLIED WITH L/P 3429480. WORK ACCOMPLISHED ON ADDITIONAL L/P3430288.