SDR EIAA9648

Service difficulty report · Engine · Boeing 747273C

Difficulty date: October 24, 1996
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N471EV
Make and model: Boeing 747273C
Aircraft serial: 20651
Engine: Pwa JT9D7J
System (JASC): 7200 · Engine (Turbine/Turboprop)
Part: Engine
Condition: Malfunctioned
Location: Nr 3
Stage of operation: TO
Nature of condition: J
Precautionary procedure: O

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

What was found

SBEG - DURING TAKEOFF ROLL NR 3 ENIGNE POWER ROLLED BACK FROM 1.42 EPR TO 1.31 EPR. FOLLOWED BY AN EGT DECREASE FROM 850 TO 813 AND N-1 DECREASED FROM 95 PERCENT TO 88 PERCENT. AFTER ADVANCING THRUST LEVER APPROX 1.5 KNOB WIDTHS, ENGINE RECOVERED. NO DEFECTS DETERMINED AT THIS TIME. FURTHER INVESTIGATION IS UNDERWAY. THREE ENGINE FERREID TO JFK FOR MAINTENANCE. (M)