SDR TWRA9628

Service difficulty report · Engine · Boeing 747121

Difficulty date
May 13, 1996
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N604FF
Make and model
Boeing 747121
Aircraft serial
19659
Engine
Pwa JT9D7A
Part
Engine
Condition
Failed
Location
Nr 1 Eng
Stage of operation
CR
Nature of condition
R
Precautionary procedure
A

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

What was found

DURING CRUISE, NR 1 ENGINE HAD A STEADY STATE STALL AT FLT LEVEL 350 FEET, THRUST WAS REDUCED AND STABILIZED, THEN PUSHED THROTTLE TO 1.36 EPR WHEN ENGINE STALLED AGAIN. ENGINE POWER WAS MAINTAINED AT IDLE FOR REMAINDER OF FLT. AIRCRAFT DIVERTED TO MANCHESTER. DURING TROUBLESHOOTING, METAL WAS FOUND IN TAILPIPE. ENGINE SCHEDULED TO BE CHANGED. (M)