Service difficulty report · Engine · Boeing 737291

Difficulty date
April 15, 1999
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N990UA
Make and model
Boeing 737291
Aircraft serial
21980
Engine
Pwa JT8D17
Part
Engine
Condition
Failed
Location
Nr 1
Stage of operation
CL
Nature of condition
M, J
Precautionary procedure
E, A

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

What was found

NR 1 ENGINE EGT LIMIT EXCEEDED, HIGH OIL PRESSURE AND HIGH OIL TEMPERATURE. *S/D* THE THROTTLE LINKAGE BECAME DETACHED AND NORMAL ENGINE VIBRATION CAUSED THE THROTTLE TO ADVANCE ON ITS OWN. THE EGT LIMIT WAS EXCEEDED AND THE ENGINE WAS SHUT DOWN. THE ENGINE WAS CHANGED AND THE AIRCRAFT PUT BACK INTO SERVICE.