SDR ASAA2016041816421

Service difficulty report · Wire Harness · Boeing 737890

Difficulty date: April 18, 2016
Submitted: April 18, 2016
Operation: Air carrier
Aircraft: N587AS
Make and model: Boeing 737890
Aircraft serial: 35684
Aircraft time: 32,672 hours, 9,527 cycles
System (JASC): 7797 · Engine Indicating System Wiring
Part: Wire Harness
Part number: 3250254010
Condition: Failed
Location: Nr 1 Engine
Stage of operation: IN
How discovered: V
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 T/C 78273000, FOUND NR 1 ENGINE, ESN 849549 HAS ECONOMIC MESSAGE 77-20861, THE BOTTOM LT EGT SIGNAL, T495S3 IS OUT OF RANGE. ACFT GROUNDED. ENGINEERING REQUEST ACCOMPLISHED, REF TSR907942. R & R CJ10 HARNESS ON THE NR 1 ENGINE, REF AMM 73-21-06. OPS CHECKS COMPLETE.