Service difficulty report · Indication Sys · Boeing 737990ER

Difficulty date
September 21, 2022
Submitted
September 26, 2022
Operation
Air carrier
Aircraft
N472AS
Make and model
Boeing 737990ER
Aircraft serial
60580
Aircraft time
27,855 hours, 8,609 cycles
Engine
Cfmint CFM567B27E
Part
Indication Sys
Condition
Activated
Stage of operation
IN
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

#1 ENG ENGINE VALVE INDICATION SHOWS BRIGHT/TRANSIENT WITH ENGINE SHUT OFF. GROUNDED - YES. ON DEFERRAL.