SDR 9514036730

Service difficulty report · Evc · Boeing 7472J9F

Difficulty date: September 9, 1995
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N630US
Make and model: Boeing 7472J9F
Aircraft serial: 21668
Engine: Pwa JT9D7F
System (JASC): 7530 · Compressor Bleed Control
Part: Evc
Part number: 7479555
Condition: Malfunctioned
Location: Nr 1 Engine
Part time: 2,975 hours
Stage of operation: TO
Nature of condition: J
Precautionary procedure: C, D

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

What was found

DURING TAKEOFF, THE NR 1 ENGINE SLOW TO ACCELERATE WITH HIGH EGT AT 700 DEGREES. CREW FOLLOWED OPERATING MANUAL AND ABORTED TAKEOFF AT 40 KNOTS. MAINTENANCE REPLACED THE NR 1 ENGINE EVC, GROUND RUN TRIMMED, OPERATION AND LEAK CHECK TESTED NORMAL.

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