Service difficulty report · Actuator · Boeing 747123

Difficulty date
September 8, 2005
Submitted
September 8, 2005
Operation
Air carrier
Aircraft
N858FT
Make and model
Boeing 747123
Aircraft serial
20109
Aircraft time
80,372 hours, 19,086 cycles
Engine
Pwa JT9D7A
Engine time
47,874 hours, 13,191 cycles
Part
Actuator
Part number
MA11A11731
Part serial
16074
Condition
Malfunctioned
Location
Nr 1 Engine
Stage of operation
IN
How discovered
V
Nature of condition
O
Precautionary procedure
K

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

What was found

AFTER ENGINE START, NR 1 ENGINE RAN FOR APPROX 3 MINUTES THEN SHUT DOWN. REPLACED NR 1 ENGINE SPAR VALVE ACTUATOR, MM 28-22-01.