Service difficulty report · Unknown · Boeing 737990ER

Difficulty date
October 13, 2023
Submitted
October 16, 2023
Operation
Air carrier
Aircraft
N457AS
Make and model
Boeing 737990ER
Aircraft serial
36355
Aircraft time
35,516 hours, 11,246 cycles
Part
Unknown
Part number
UNKNOWN
Condition
Unknown
Location
Unknown
Stage of operation
IN
How discovered
O
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 PERFORMING T/C 78273000, FOUND FAULT CODE NUMBER 75-30402, "THE VSV POSITION SIGNALS DISAGREE," SHORT TIME FAULT, SET ON FLIGHT LEG 1, ON ENG #2. GROUNDED - YES. (RESOLVED ON W/O: 1973267 TASKCARD: N/R-00002 ) MAINT. MESSAGE 75-30402 NOT IN FAULT HISTORY & NO OTHER RELATED FAULTS AT THIS TIME. REF. FIM 75-31 TASK 804. THIS CLEARS PLT C/N 13008457. SEAMC PETER NOTIFIED.