Service difficulty report · Shield · Boeing 7377H4

Difficulty date
April 25, 2020
Submitted
August 16, 2021
Operation
Air carrier
Aircraft
N472WN
Make and model
Boeing 7377H4
Aircraft serial
33831
Aircraft time
55,520 hours, 32,985 cycles
Part
Shield
Condition
Corroded
Location
Aft Cargo
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 FWD SHIELD AT ACB BS767 - BS787 RBL21 WL158 / REMOVED AND REPLACED FWD SHIELD AT ACB FROM BS 767 TO BS 787 RBL21 WL158; P/N 146A8127-12; PO #774635/1; IAW SRM 51-40-02; DWG 146A0081

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