SDR ASAA2017042220512

Service difficulty report · Fmc · Boeing 737990ER

Difficulty date: April 22, 2017
Submitted: April 24, 2017
Operation: Air carrier
Aircraft: N477AS
Make and model: Boeing 737990ER
Aircraft serial: 40716
Aircraft time: 7,261 hours, 2,387 cycles
System (JASC): 3460 · Flight Management Computing Hardware System
Part: Fmc
Condition: Malfunctioned
Stage of operation: NR
How discovered: O
Nature of condition: J
Precautionary procedure: K

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

What was found

LEFT FMC INOP - CAPT'S. GROUNDED - YES. ACCOMPLISHED BITE ON FMC'S FLT HISTORY - LOGGED "PGM FAULT" ON LEG 2. ACCOMPLISHED FIM 34-61 TASK 807, LT FMC OPS NORMAL. A/C CHECKED AND RELEASED FROM MEL 34-36J, CREW PLACARD REMOVED, FMC TRANSFER S/W PLACED TO NORMAL POS.