Service difficulty report · Warning Message · Boeing 737890

Difficulty date
November 12, 2014
Submitted
November 17, 2014
Operation
Air carrier
Aircraft
N565AS
Make and model
Boeing 737890
Aircraft serial
35181
Aircraft time
30,411 hours, 9,313 cycles
Part
Warning Message
Condition
Activated
Location
Nr 1 Engine
Stage of operation
IN
How discovered
9
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

FOUND LONG TERM FAULT CODE 77-21171, N1 SIGNAL OUT OF RANGE ON NR 1 ENGINE. ACFT GROUNDED.