Service difficulty report · Fault Message · Boeing 737890

Difficulty date
September 3, 2021
Submitted
September 28, 2021
Operation
Air carrier
Aircraft
N508AS
Make and model
Boeing 737890
Aircraft serial
35691
Aircraft time
47,771 hours, 14,091 cycles
Engine
Cfmint CFM567B27
Part
Fault Message
Condition
Illuminated
Location
Alternator
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

WHILE ACCOMPLISHING T/C 78273000 FOUND #1 ENGINE FAULT 73-11271 "THE ALTERNATOR VOLTAGE INPUT TO THE EEC IS OUT OF RANGE" SHORT TIME FAULT. GROUNDED - YES. PER T/C 78273000 RELEASED PER PLT DEFERRAL FOR SHORT TIME FAULT "50 FLT HRS" FOR #1 ENGINE FAULT 73-11271 "THE ALTERNATOR VOLTAGE INPUT TO THE EEC IS OUT OF RANGE. REF T/C 78273000 NO FAULTS LOGGED LAST 10 FLIGHTS.