SDR UIEA2021052401169

Service difficulty report · Fmc · Boeing 76736N

Difficulty date: May 18, 2021
Submitted: May 24, 2021
Operation: Air carrier
Aircraft: N1093A
Make and model: Boeing 76736N
Aircraft serial: 30111
Aircraft time: 84,010 hours, 12,511 cycles
Engine: Ge CF680C2B7F
System (JASC): 3460 · Flight Management Computing Hardware System
Part: Fmc
Condition: Unknown
Location: Right
Stage of operation: NR
How discovered: 9
Nature of condition: O
Precautionary procedure: O

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

What was found

AFTER ENGINE START AND APU SHUTDOWN, A/C SCREENS UPPER/LOWER EICAS, CA SIDE ADI AND RIGHT FMC FLICKERED AND GLITCHED AS IF POWER WAS TRANSFERING(<P>RAN BOTH ENGINES TO OBSERVE IDG LEADS ISOLATED EACH TDG AND NOTED NO FAULTS AFTER 30 MINUTES. OPS CHECK GOOD IAW B767 AMM 71-00-00<BR /></P>)

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