Service difficulty report · Throttle · Boeing 737476

Difficulty date
June 15, 2003
Submitted
July 14, 2003
Operation
Air carrier
Make and model
Boeing 737476
Engine
Cfmint CFM563C
Part
Throttle
Condition
Faulty
Location
Engine
Stage of operation
CL
How discovered
O
Nature of condition
E
Precautionary procedure
O

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

What was found

(AUS) NR 1 ENGINE AUTO-THROTTLE DISENGAGED AND SUBSEQUENTLY RE-ENGAGED. ENGINE PARAMETERS FLUCTUATED FROM 70 PERCENT N1 TO APPROXIMATELY 107 PERCENT N1 WITH WARNING LIGHT ILLUMINATION.