Service difficulty report · Wire Harness · Boeing 737990ER

Difficulty date
April 29, 2022
Submitted
May 3, 2022
Operation
Air carrier
Aircraft
N481AS
Make and model
Boeing 737990ER
Aircraft serial
44106
Aircraft time
25,027 hours, 7,879 cycles
Engine
Cfmint CFM567B27E
Part
Wire Harness
Part number
3250349020
Condition
Damaged
Location
Nr 2 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 ASA T/C # 78273000. # 2 ENG SHORT TIME FAULT MSG NBR 73-10342, THE FMV POSITION IS OUT OF RANGE. FLIGHT LEG 1,2, AND 3. DEFERRED PER ASA T/C 78273000. GROUNDED - YES. FOLLOWED B737-900 FIM 73-25 TASK 803. FOUND J5 HARNESS RESISTANCE @ DP0501 PINS 35 TO 35 & 18 TO 37 TO BE BELOW RANGE. REMOVED AND REPLACED ENG 2 J5 HARNESS IAW B737-900 AMM 73-21-06. EEC TEST AND ACTUATORS TEST PASSED. NO FAULTS. AC OK FOR SERVICE.