SDR 2009F00014

Service difficulty report · Unknown · Boeing 737800*

Difficulty date: February 16, 2009
Submitted: February 19, 2009
Operation: General aviation
Make and model: Boeing 737800*
Aircraft serial: 28406
Engine: Cfmint CFM567B22
System (JASC): 7320 · Fuel Controlling System
Part: Unknown
Condition: Malfunctioned
Stage of operation: TO
How discovered: O
Nature of condition: J
Precautionary procedure: C

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

What was found

REGISTERED NR B18608, WAS ABOUT TO TAKE OFF. WHEN T/O ADVANCE THRUST (N1: 50 PERCENT, SPEED: 21 KNOTS), MASTER CAUTION LIGHT BLINK. EEC BECAME TO ALTERNATE MODE OPERATION. AFTER RTO CHECK NML. EEC BITE NO FAULT. DFDR REVEALED THAT THE BOTH EEC'S OPERATED UNDER ALTERNATE MODE 10 SECONDS. DFDR WILL BE SENT TO MFG FOR FURTHER ANALYSIS.

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