Service difficulty report · Engine · Boeing 747412

Difficulty date
November 14, 2023
Submitted
November 17, 2023
Operation
Air carrier
Aircraft
N471MC
Make and model
Boeing 747412
Aircraft serial
26557
Aircraft time
90,485 hours, 14,798 cycles
Part
Engine
Part number
PW40563
Part serial
P727701
Condition
Unknown
Location
Unknown
Stage of operation
CL
How discovered
O
Nature of condition
M, J
Precautionary procedure
E, J, A

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

What was found

ENGINE #2 EGT LIMIT EXCEEDED PASSING 4000 FT ON DEPARTURE. HEARD ONE BANG ON INITIAL FAILURE. ENGINE 2 HAD REDUCED EPR, N1, N2, HIGH EGT.(<P>REMOVED AND REPLACED ENGINE #2 IAW W/C 71-099-02-02 & WO 121373. OPS & LEAK CHECK NORMAL.</P>)