Service difficulty report · Engine · Boeing 757324

Difficulty date
June 30, 2023
Submitted
July 3, 2023
Operation
Air carrier
Aircraft
N75858
Make and model
Boeing 757324
Aircraft serial
32817
Aircraft time
55,365 hours, 17,737 cycles
Part
Engine
Part number
UNKNOWN
Condition
Warning Message
Location
Right
Stage of operation
CR
How discovered
O
Nature of condition
J, O
Precautionary procedure
A

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

What was found

R ENG OVER HEAT EICAS ENGINE WILL REQUIRE HIGH POWER RUN OPERATIONAL CHECK AFTER UNLOCKED FOR UPDATE TROUBLESHOOTING AND REPAIRS ARE COMPLETED. AFTER INSPECTION OF THE #2 ENG. FOUND LOOSE SENSE LINE TO CHECKING TS 5073 AND TS 5074 OVERHEAT LOOPS FAMV.TORQUED SENSE LINE REF AMM 36-11-16. RAN ENG #2 TO TAKEOFF POWER FOR 4MIN AND CRUISE POWER 10 MIN . NO FAULTS NOTED AT THIS TIME. OPS CHK GOOD. REF LOG 5032937 FOR CHECKING TS 5073 AND TS 5074 OVERHEAT LOOPS. CHECKED PINS A-D RESISTANCE OF TS5073 IS 1500OHMS, TS5074 IS 1496OHMS. VISUAL CHECKED HARNESS & CONNECTORS D2800/D2804 ARE NORMAL. REF LP 5021430 TROUBLESHOT PER FIM TASK 26-11 FAULT TREE 802 FOUND BLEED LOOP TOUCHING A DUCT, RE ADJUSTED BLEED LOOP TO CORRECT POSITION SO IT DOES NOT MAKE CONTACT WITH DUCT.NO SIGNS OF BURNING AN OR FIRE INSIDE ENG COWL,ALL OPS TEST PER FIM PASSED. AIRCRAFT OK TO CONTINUE AT THIS TIME.