SDR ASAA2018083125956

Service difficulty report · Unknown · Boeing 737890

Difficulty date: August 27, 2018
Submitted: September 5, 2018
Operation: Air carrier
Aircraft: N568AS
Make and model: Boeing 737890
Aircraft serial: 35183
Aircraft time: 44,378 hours, 13,479 cycles
System (JASC): 7320 · Fuel Controlling System
Part: Unknown
Condition: Malfunctioned
Location: Nr 1 Engine
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

THE FMV POSITION SIGNAL IS OUT OF RANGE. ENG 1 MSG NR: 73-20341. GROUNDED - YES. ACCOMPLISHED EEC BITE TEST, OPS NML, NO FAULTS LOGGED, NO RECENT FAULTS AND NO FAULTS LAST TEN LEGS OF FLIGHTS, REF AMM 73-21-00-700-804-F00. REPLACED J6 HARNESS PRECAUTIONARY REF AMM 73-21-06. ACCOMPLISHED EEC TEST AND ACTUATOR TEST, OPS NML REF AMM 71-00-00-700-807-F00.