Service difficulty report · Harness · Boeing 737890

Difficulty date
May 25, 2022
Submitted
May 27, 2022
Operation
Air carrier
Aircraft
N585AS
Make and model
Boeing 737890
Aircraft serial
35683
Aircraft time
53,819 hours, 16,039 cycles
Engine
Cfmint CFM567B27B3
Part
Harness
Part number
3250254020
Condition
Faulty
Location
#1 Engine
Stage of operation
TX
How discovered
V
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

RED BOX AROUND #1 EGT APPEARS AFTER LANDING. GROUNDED - YES. ENGINE 1 BITE CHECK SHOWS FAULT 77-20861, ENGINE EXCEEDANCE PAGE SHOWS EGT EXCEEDANCE 961 2 SECONDS AT ALT 818, ENGINE EXCEEDANCE MENU SHOWS THIS IS THE THIRD EXCEEDANCE. RESET CURRENT EXCEEDANCE PER B737-800 AMM 71-00-00-740-801. BOX WENT AWAY. THE POINT IS AREA A - AT THE SECOND EXCEEDANCE REF AMM 71-00-00-800-804-F00 SUBTASK 71-00-00-210-032 (6)(B)2). CDU ENGINE 1 EXCEEDANCES, EXCEEDS MENU SHOWED 1 EXCEEDS FOR LEG 1, LEG 38, AND LEG 99. REF ASA TSR7122012 FOR J10, CJ10 HARNESS REPLACEMENT. ACCOMPLISHED TEST 5 POWER ASSURANCE CHECK REF AMM 71-0-00-700-813-F00. REF B737-800 FIM 71-06 TASK 805 STEP G.(1) REPAIR CONFIRMATION COMPLETE.