SDR AALA202008109034

Service difficulty report · Fmc · Boeing 737823

Difficulty date: August 7, 2020
Submitted: August 11, 2020
Operation: Air carrier
Aircraft: N916AN
Make and model: Boeing 737823
Aircraft serial: 29517
Aircraft time: 61,879 hours, 25,164 cycles
System (JASC): 3460 · Flight Management Computing Hardware System
Part: Fmc
Part number: 1741010301
Condition: Defective
Location: Zone 200
Stage of operation: CR
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

AIRCRAFT GROUNDED - FIRST OFFICER'S FLIGHT DIRECTOR FAILED IN FLIGHT, COULD NOT RESET, BUT RETURNED ON APPROACH. REPLACED LEFT AND RIGHT FMCS. ACCOMPLISHED SOFTWARE UPLOAD FOR BOTH, PER AMM 34-61-00, ALL CHECKS OKAY. ACCOMPLISHED LAND VERIFICATION IAW AMM 22-11-00, ALL CHECKS PASSED, OKAY FOR SERVICE.