Service difficulty report · Shield · Boeing 7377H4

Difficulty date
June 4, 2020
Submitted
August 16, 2021
Operation
Air carrier
Aircraft
N476WN
Make and model
Boeing 7377H4
Aircraft serial
32475
Aircraft time
55,307 hours, 32,813 cycles
Part
Shield
Condition
Corroded
Location
Bs 500-500a
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

***CORROSION*** ON AFT SHIELD AT FCB BS500 - BS500A RBL23 WL157. / REMOVED AND INSTALLED NEW AFT SHIELD AT FCB B.S.500- BS500A RBL23 WL157 ITEM# 7531855 IAW SRM 51-10-02-0G-0 PAR 9.C; SRM 51-40-02-0G-0 AND DWG# 143A0080

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