Service difficulty report · Unknown · Boeing 737890

Difficulty date
October 3, 2023
Submitted
October 4, 2023
Operation
Air carrier
Aircraft
N577AS
Make and model
Boeing 737890
Aircraft serial
35186
Aircraft time
59,159 hours, 17,590 cycles
Part
Unknown
Part number
UNKNOWN
Condition
Unknown
Location
Unknown
Stage of operation
CR
How discovered
V
Nature of condition
O
Precautionary procedure
K

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

What was found

AUTOPILOT DISCONNECTED DURING CRUISE. NO CAUSE DETERMINED. REENGAGED WITHOUT ISSUE. GROUNDED - YES. (RESOLVED ON W/O: 1972133 TASKCARD: N/R-00001 ) ACCOMPLISHED DFCS LAND VERIFY TEST REF AMM 22-11/201 AND HGS SYSTEM TEST REF SMM 34-36-00. OPS CHECK GOOD. ALL TESTS PASS. NO HISTORY ON 'A' AUTO PILOT 30 DAYS. REMOVED PLACARD C/N 03023577. NO MAINTENANCE PROCEDURES TO REVERSE. THIS CLEARS MEL 22-1F AND MEL 22-99B. SEE L/P 60618386 FOR A/C APPROACH SURVEY. SEAMC NOTIFIED.