Service difficulty report · Warning Syst · Boeing 747422

Difficulty date
August 2, 1997
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N193UA
Make and model
Boeing 747422
Aircraft serial
26890
Engine
Pwa PW4056
Part
Warning Syst
Condition
Activated
Location
Te Flaps
Stage of operation
TO
Nature of condition
N
Precautionary procedure
C, D

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

What was found

FLAPS WARNING CAME ON WITH FULL POWER ON TAKEOFF. ABORTED TAKEOFF AT 100 KTS. *S/D* COULD NOT DUPLICATE. RECYCLED FMC CIRCUIT BREAKERS, PREFORMED GROUND TEST OF FMC'S, FCC L, R, C GROUND TEST AND TAKEOFF WARNING CONFIDENCE TEST. ALL SYSTEMS TESTED OK.