SDR AALA20020515

Service difficulty report · Fmc · Boeing 757223

Difficulty date: April 22, 2002
Submitted: July 19, 2002
Operation: Air carrier
Aircraft: N191AN
Make and model: Boeing 757223
Aircraft serial: 32385
System (JASC): 3460 · Flight Management Computing Hardware System
Part: Fmc
Condition: Malfunctioned
Location: Cockpit
Stage of operation: CR
How discovered: O
Nature of condition: O
Precautionary procedure: A

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

What was found

LAX - FLT 297 - EN ROUTE LAX-HNL - BOTH FMC'S FAILED TO PERFORM NAVIGATION CALCULATIONS FOLLOWING TAKEOFF. RESET PER OPERATIONS MANUAL. RETURNED AND LANDED LAX WITHOUT INCIDENT. VERIFIED SOFTWARE FOR FMC: OPC, OPS, FDO, AMI ALL GOOD PER MAINTENANCE MANUAL. RELOADED FMC NAVIGATION DATA SOFTWARE PROGRAM AA8-0204-001. GROUND CHECKS NORMAL. (M)