Service difficulty report · Compressor · Boeing 747122

Difficulty date
July 29, 1995
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N850FT
Make and model
Boeing 747122
Aircraft serial
19755
Engine
Pwa JT9D7A
Part
Compressor
Part number
JT9D7A
Condition
Stalled
Location
Nr 3 Engine
Part time
54,311 hours
Stage of operation
DE
Nature of condition
R
Precautionary procedure
E

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

What was found

NR 3 ENGINE EXPERIENCED AUDIBLE STALL AT TOP OF DESCENT INTO ANC. N1 AND N2 INDICATORS DROPPED WITH STEADY RISE IN EGT SHUTDOWN ENGINE AT 750 DEGREES. RELIGHT OF ENGINE NORMAL ENGINE PERFORMED NORMAL FOR THE REST OF FLIGHT. INSPECTED ENGINE PER MAINTENANCE MANUAL NO ITEMS FOUND OUT OF LIMITS, AIRCRAFT RELEASED.