Service difficulty report · Unknown · Boeing 737990ER

Difficulty date
August 10, 2023
Submitted
August 14, 2023
Operation
Air carrier
Aircraft
N433AS
Make and model
Boeing 737990ER
Aircraft serial
41704
Aircraft time
36,312 hours, 11,475 cycles
Part
Unknown
Part number
UNKNOWN
Condition
Unknown
Location
Unknown
Stage of operation
CR
How discovered
V
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

WHILE AT CRUISE AND AUTOPILOT "B" ON AIRCRAFT MADE SLIGHT LEFT TURN AND THEM CORRECTED SLOWLY WITH NO FAULTS INDICATED AND REMAINED IN LNAV. GROUNDED - YES. ACCOMPLISHED DFCS BITE PER FIM 22-11 TASK 801 NO FAULTS NOTED IN CURRENT STATUS OR IN LAST LEG OF FAULT HISTORY BOTH CHANNEL A&B. ACCOMPLISHED DFCS BITE GROUP #49 LAND VERIFY TEST PER AMM 22-00-01-730-807 AND 22-11-00/201 LAND VERIFY TEST PASSED. ALSO ACCOMPLISHED HGS SYSTEM TEST PER AMM 22-00-01-730-808 AND SMM 34-36-00 HGS SYSTEM TEST PASSED. APPROACH SURVEY COMPLETED FOR COMPLETED FOR AUTOLAND AND HGS. SEAMC JOE NOTIFED.