Service difficulty report · None · Boeing 7377H4

Difficulty date
August 13, 2018
Submitted
February 23, 2022
Operation
Air carrier
Aircraft
N481WN
Make and model
Boeing 7377H4
Aircraft serial
29853
Aircraft time
49,652 hours, 29,183 cycles
System (JASC)
5751 · Ailerons
Part
None
Part number
113A74003
Part serial
HDH1571
Condition
Corroded
Location
Lt Wing
Stage of operation
IN
How discovered
9
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

L/H AILERON HAS SEVERAL BALANCE WEIGHTS THAT HAVE SURFACE CORROSION. / WP:E58064-CRONIN; KEVIN - 08/18/2018 10:46 COMPLETE: AILERON IS REPLACED ON NON-ROUTINE G580951 WITH NEW WEIGHTS INSTALLED . NO FURTHER ACTION REQUIRED. CORRECTLY ANSWERED CORROSION QUESTIONS.

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