Service difficulty report · Eis Display · Boeing 737522

Difficulty date
July 4, 1999
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N946UA
Make and model
Boeing 737522
Aircraft serial
26687
Engine
Ge CFM56*
Part
Eis Display
Condition
Failed
Location
Nr 1 Engine Egt
Component
Smith Indust · 312EDP11
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

ABORTED TAKEOFF AT 95 KNOTS DUE TO A HIGH EGT INDICATION ON THE NR 1 ENGINE. TROUBLESHOOTING CONFIRMED EGT INDICATION WAS FLUCTUATING BETWEEN 850-970 DEGS. THE PRIMARY EIS DISPLAY UNIT WAS REPLACED. AIRCRAFT WAS RETURNED TO SERVICE WITH NO FURTHER ANOMALIES. DURING EIS COMPONENT OVERHAUL THE EGT BOARD WAS FOUND TO BE OUT OF LIMITS.