SDR P5CA2018110200339

Service difficulty report · Pump · Boeing 7673Y0

Difficulty date: October 29, 2018
Submitted: November 2, 2018
Operation: Air carrier
Aircraft: N642GT
Make and model: Boeing 7673Y0
Aircraft serial: 26207
Aircraft time: 79,110 hours, 20,931 cycles
System (JASC): 2822 · Fuel Boost Pump
Part: Pump
Condition: Malfunctioned
Location: Fuel System
Stage of operation: NR
How discovered: O
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

FUEL MIGRATION TO CENTER TANK FROM UNKNOWN ORIGIN, WHEN CENTER PUMPS WERE TURNED ON, THE CTR LT AND CTR RT FUEL PUMP EICAS MESSAGE DISPLAYED, ORH DIRECTS TO TURN OFF THE PUMPS, NOT ALLOWING FULL USE OF FUEL MIGRATING TO CENTER TANK. OK FOR SERVICE IAW SERVICE LETTER 767-SL-28-035-A.

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