SDR HALA2018061100291

Service difficulty report · Fmu · Boeing 7673CB

Difficulty date: June 9, 2018
Submitted: June 11, 2018
Operation: Air carrier
Aircraft: N592HA
Make and model: Boeing 7673CB
Aircraft serial: 33468
Aircraft time: 56,221 hours, 10,482 cycles
Engine: Pwa PW4060
System (JASC): 7320 · Fuel Controlling System
Part: Fmu
Part number: 4052506955
Part serial: 9908F231
Condition: Malfunctioned
Location: Left
Part time: 580 hours, 135 cycles
Stage of operation: CR
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

AIR TURNBACK, LT FMC FAILED. RAN QRH, FMC 2, LT FMC REMAINED INOPERATIVE. REMOVED AND REPLACED THE LEFT FMC IAW AMM 34-61-01-424-005. PERFORMED A CROSS LOAD IAW AMM 34-61-00-422-009-005. NO FAULT NOTED, OPS CHECKED GOOD ON GROUND, OK TO CONTINUE.

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