SDR ASAA2012090292828

Service difficulty report · Sensor · Boeing 737890

Difficulty date: September 2, 2012
Submitted: September 14, 2012
Operation: Air carrier
Aircraft: N506AS
Make and model: Boeing 737890
Aircraft serial: 35690
Aircraft time: 16,225 hours, 5,196 cycles
Engine: Cfmint CFM567B27
System (JASC): 2230 · Auto Throttle System
Part: Sensor
Condition: Out Of Adjust
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 FAILED FLARE ARMED BUT ACFT DID NOT FLARE AND DRIFTED 200 LT OF CENTERLINE. SYS FAILED TEST 32, TEST SHOWS ELEV POS FAIL MSG 22-11125 ELEV POS SENSOR 1. ALSO FAILED LIBRARY TEST 35 TEST SHOWED AIL POS 1 AND 2 FAIL MSG 22-11145 AND 22-11146. ALSO NOTICED CAPT AND F/OS YOKE TO BE 1/2 DEG TO THE LT FROM CENTER. IAW FIM 22-12-812, ACCOMPLISHED ELEVATOR POSITION SENSOR ADJUSTMENT AND TEST IAW MM 22-11-30. ACCOMPLISHED DFCS LAND VERIFY TEST IAW MM 22-11-00/201. ALL TESTS PASS.