Service difficulty report · Compressor · Boeing 747409

Difficulty date
December 8, 2018
Submitted
December 13, 2018
Operation
Air carrier
Aircraft
N249BA
Make and model
Boeing 747409
Aircraft serial
24309
Aircraft time
81,052 hours, 15,694 cycles
Engine
Pwa PW4056
Part
Compressor
Condition
Stalled
Location
Nr 3 Engine
Stage of operation
CL
How discovered
O
Nature of condition
R, J, M
Precautionary procedure
A

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

What was found

NR 3 ENGINE COMPRESSOR STALLED 2X AFTER TAKE OFF+ WOULD TEMP OUT AT NORMAL THRUST SETTING. AT IDLE WOULD RUN IN NORMAL PARAMETERS. R&R ENG NR 3.