SDR P5CA2017052500143

Service difficulty report · Warning Message · Boeing 7673JHF

Difficulty date: May 24, 2017
Submitted: May 25, 2017
Operation: Air carrier
Aircraft: N643GT
Make and model: Boeing 7673JHF
Aircraft serial: 37809
Aircraft time: 10,412 hours, 2,865 cycles
System (JASC): 2400 · Electrical Power System
Part: Warning Message
Condition: False Activation
Location: Buss
Stage of operation: AP
How discovered: 9
Nature of condition: N
Precautionary procedure: O

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

What was found

AT FL 180 DURING DECENT, BOTH UTILITY BUSS EICAS MESSAGES CAME ON. BOTH GENERATORS NORMAL. RESET BOTH BUSSES IAW QRH, ALL RETURNED NORMAL IAW FIM 24-FAULT CODE 72, FIGURE 712. FUNCTION NORMAL IAW AMM 24-51-05, UTILITY BUSS TEST & FUNCTION NORMAL.

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