SDR ASAA2017101422196

Service difficulty report · Sensor · Boeing 737890

Difficulty date: October 14, 2017
Submitted: October 16, 2017
Operation: Air carrier
Aircraft: N532AS
Make and model: Boeing 737890
Aircraft serial: 36346
Aircraft time: 28,507 hours, 8,501 cycles
System (JASC): 2210 · Autopilot System
Part: Sensor
Condition: Out Of Adjust
Location: Autoland Sys
Stage of operation: LD
How discovered: O
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

AUTOLAND NOT SUCCESSFUL. TOO MUCH LEFT DRIFT. ACFT GROUNDED. PERFORMED FIM 22-11, TASK 825. AIRPLANE ALIGNMENT PROBLEMS. ATTEMPTED TO DO A LAND VERIFY, RECEIVED FAULT MESSAGE 22-11174. STARTED TO ACCOMPLISH FIM 22-12, TASK 803. ACCOMPLISHED FCC A AND FCC B DFCS LRU REPLACE TEST BITE GRP 35. FOUND THE A STAB POSITION SENSOR OUT OF LIMITS. ADJUSTED AND TESTED THE A STAB POSITION SENSOR IAW AMM 22-11-31-820-801, AND 22-11-31-710-801.