SDR AALA2019030489009

Service difficulty report · Computer · Boeing 737823

Difficulty date: February 27, 2019
Submitted: March 4, 2019
Operation: Air carrier
Aircraft: N918AN
Make and model: Boeing 737823
Aircraft serial: 29519
Aircraft time: 57,902 hours, 23,563 cycles
System (JASC): 3460 · Flight Management Computing Hardware System
Part: Computer
Part number: 285A10104
Condition: Malfunctioned
Location: Stall Management
Stage of operation: TO
How discovered: O
Nature of condition: J
Precautionary procedure: C, D

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

What was found

PILOT REPORTED THE TAKEOFF CONFIGURATION WARNING HORN GOING OFF WHEN POWER ADVANCED, FLAPS SET, TRIM SET, SPEED BRAKES STOWED. THE AIRCRAFT WAS GROUNDED. MAINTENANCE REMOVED AND REPLACED THE STALL MANAGEMENT, YAW DAMPENER COMPUTER NR 1 IAW AMM 27-32-42-401. OPS CHECKED GOOD. ALL TAKEOFF SYSTEMS OPS CHECKED GOOD.