Service difficulty report · Lvdt · Boeing 747422

Difficulty date
July 28, 1998
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N104UA
Make and model
Boeing 747422
Aircraft serial
26902
Engine
Pwa PW4056
Part
Lvdt
Condition
Failed
Location
Nr 3 Engine
Component
Hamilton Std
Stage of operation
NR
Nature of condition
X
Precautionary procedure
O

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

What was found

POSSIBLE BIRD STRIKE ON NR 3 ENG FOLLOWED BY FLAME OUT. EGT MAX WAS ABOUT 510 DEGS. *S/D* ENGINE FLAME OUT IN DESCENT DUE TO STATOR VANE ACTUATOR LVDT FAILURE. ACTUATOR HAS NOT BEEN TESTED OR DISASSEMBLED YET.