SDR ASAA2013070295449

Service difficulty report · Fmc · Boeing 737990ER

Difficulty date: July 2, 2013
Submitted: July 5, 2013
Operation: Air carrier
Aircraft: N407AS
Make and model: Boeing 737990ER
Aircraft serial: 41731
Aircraft time: 2,198 hours, 707 cycles
System (JASC): 3460 · Flight Management Computing Hardware System
Part: Fmc
Part number: 1762000101
Part serial: 007429
Condition: Failed
Location: Ee Bay
Part time: 2,198 hours, 707 cycles
Stage of operation: NR
How discovered: 9
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

RIGHT FMC FAILED VTK AND MAP. ACFT GROUNDED. VERIFIED FAULT, CYCLED RT FMC. CIRCUIT BREAKER, FLAGS WENT AWAY. DUE TO HISTORY REPLACED RT FMC WITH SERVICEABLE ONE. ACCOMPLISHED SOFTWARE CROSSLOAD LEFT TO RIGHT. ACCOMPLISHED FMC OPS TEST, TEST PASS IAW MM 34-61-00-710-801, 34-61-02-400-801.