SDR UIEA2017042900675

Service difficulty report · Gcu · Boeing 76736N

Difficulty date: April 28, 2017
Submitted: May 1, 2017
Operation: Air carrier
Aircraft: N661GT
Make and model: Boeing 76736N
Aircraft serial: 30110
Aircraft time: 74,183 hours, 9,345 cycles
System (JASC): 2421 · AC Generator-Alternator
Part: Gcu
Part number: 734384F
Part serial: 5695
Condition: Failed
Location: Left
Stage of operation: CL
How discovered: O
Nature of condition: J
Precautionary procedure: A

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

What was found

DURING CLIMB, THE LEFT GENERATOR EICAS MASSAGE, COMPLIED WITH QRH, AFTER RESET OF THE LEFT GENERATOR, THE OFF EICAS MESSAGE APPEARED AGAIN. TROUBLESHOT IAW FIM 24-20, TASK 804 AND FOUND THE LEFT GENERATOR GCU FAILED. R & R THE LEFT GCU & OPS CHECKED GOOD IAW MM 24-22-02.

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