SDR ASAA2012121193443

Service difficulty report · Fmc · Boeing 737890

Difficulty date: December 11, 2012
Submitted: December 13, 2012
Operation: Air carrier
Aircraft: N534AS
Make and model: Boeing 737890
Aircraft serial: 35202
Aircraft time: 7,584 hours, 2,322 cycles
System (JASC): 3460 · Flight Management Computing Hardware System
Part: Fmc
Part number: 1762000101
Part serial: 005923
Condition: Failed
Location: Right
Part time: 7,574 hours, 2,320 cycles
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

RT FMC FAILED IN FLIGHT. ACCOMPLISHED QRH PROCEDURE, RT FMC DID NOT RECOVER. NO C/BS POPPED, ALL OTHER SYS NORMAL. ACFT GROUNDED. DURING TROUBLESHOOTING SWAPPED LT AND RT FMC COMPUTERS, SWAPPED BACK TO NORMAL POSITION. R & R R/H FMC COMPUTER IAW AMM 34-61-02, FMC 1 AND FMC 2 GROUND FUNCTIONAL TEST GOOD.