SDR ASAA2016092118100

Service difficulty report · Wire Harness · Boeing 737890

Difficulty date: September 21, 2016
Submitted: September 26, 2016
Operation: Air carrier
Aircraft: N594AS
Make and model: Boeing 737890
Aircraft serial: 35191
Aircraft time: 32,687 hours, 9,902 cycles
Engine: Cfmint CFM567B27B3
System (JASC): 7397 · Engine Fuel System Wiring
Part: Wire Harness
Part number: 3250349020
Condition: Out Of Tolerance
Location: Nr 1 Engine
Stage of operation: IN
How discovered: O
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 PERFORMING TASKCARD 78273000, FMC, CDU FAULTS FOUND A FAULT ON THE NR 1 ENGINE, FAULT CODE 75-10371, HMU VSV IS OUT OF RANGE. SHORT TERM FAULT OF 50 HRS. ACFT GROUNDED. R & R J5 HARNESS, REF AMM 73-21-06. ELECTRONIC ENGINE CONTROL TEST GOOD, REF AMM 73-21-00, AND ACTUATOR TEST PASSED, REF AMM 71-00-00-700-807. NO FAULTS NOTED.