Service difficulty report · Warning Message · Boeing 737990ER

Difficulty date
September 18, 2014
Submitted
September 22, 2014
Operation
Air carrier
Aircraft
N459AS
Make and model
Boeing 737990ER
Aircraft serial
36352
Aircraft time
1,988 hours, 636 cycles
Engine
Cfmint CFM567B27E
Part
Warning Message
Condition
False Activation
Location
Nr 1 Engine
Stage of operation
IN
How discovered
9
Nature of condition
N
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

FOUND SHORT TERM FAULT NR 1 ENGINE 73-20351, FMV POSITIOM SIGNALS DISAGREE. ACFT GROUNDED. ACCOMPLISH T/C 78273000 FOUND NO RECENT FAULTS ON ENGINE NR 1. ACCESSED CONNECTORS DP0606, DP0505, DP0501, & DP0601. ACCOMPLISH GVI AND CLEANED. NO DEFECTS FOUND, RECONNECTED ALL 4. ACCOMPLISHED EEC TEST, TEST PASS NO EEC FAULTS. VERIFIED NO FAULTS ARE ACTIVE AT THIS TIME BY ACCOMPLISHING TEST NR 12, ACTUATORS TEST, TEST PASSES NO FAULTS. REF FIM 73-25, TASK 804 & WDM 73-25-21.