Service difficulty report · Wire · Boeing 737900ER

Difficulty date
July 6, 2022
Submitted
July 8, 2022
Operation
Air carrier
Aircraft
N403AS
Make and model
Boeing 737900ER
Aircraft serial
41730
Aircraft time
35,970 hours, 11,504 cycles
Part
Wire
Part number
32156184
Part serial
9545
Condition
Broken
Location
#1 Engine
Part time
35,970 hours, 11,504 cycles
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

REF ASA T/C #78472000 #1 ENGINE INLET AND FAN BLADE DETAIL INSPT FOUND LOWER BONDING WIRE FOR TAI VALVE BROKEN FROM ATTACH POINT ON TAI VALVE. GROUNDED - YES. REMOVED AND REPLACED #1 ENGINE TAI VALVE, INSTALLED BONDING JUMPER AND ACCOMPLISHED BOND CHECK REF B737-900 AMM 30-21-11-400-801 (3) G-H. ACCOMPLISHED LK CK NO DEFECTS FOUND. REF B737-900 AMM 30-21-11-400-801 STEPS I AND J.

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