SDR HALA2018060400271

Service difficulty report · Fmc · Boeing 7673CB

Difficulty date: May 31, 2018
Submitted: June 4, 2018
Operation: Air carrier
Aircraft: N592HA
Make and model: Boeing 7673CB
Aircraft serial: 33468
Aircraft time: 56,144 hours, 10,466 cycles
System (JASC): 3460 · Flight Management Computing Hardware System
Part: Fmc
Condition: Malfunctioned
Location: Left
Stage of operation: CR
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

LEFT FMC FAILED DURING CRUISE, COMPLIED WITH QRH FOR FMC FAIL, RESET FMC. NO DEFECTS DURING LANDING. PERFORMED TROUBLESHOOTING IAW FIM 34-61 FAULT TREE 849. NO FAULTS NOTED. OPS CHECKED IAW AMM 34-61-00-715-001-001. NO DEFECTS NOTED. CLEANED COOLING VENTS AS A PRECAUTION. OK FOR SERVICE.

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