Service difficulty report · Unknown · Boeing 737990ER

Difficulty date
September 23, 2023
Submitted
September 27, 2023
Operation
Air carrier
Aircraft
N493AS
Make and model
Boeing 737990ER
Aircraft serial
41727
Aircraft time
26,998 hours, 8,453 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

DURING TC 78273000 FOUND ECONOMIC FAULT 75-10242 AND 75-20412 HPTACC SIGNAL DISAGREE. GROUNDED - YES. ON DEFERRAL.