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
Fwd 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 FCB BS420 - BS440 R BL23 WL157. / CORROSION ON FCB FWD SHIELD BS420-440 RBL-23 WL157 FOUND TO BE OUT OF LIMIT DUE TO NO LIMIT ON SRM PARTS REPAIRED BY REPLACMENT IAW SRM 51-10-02-0G-0 PAR-9C LOCATED AND DRILLED NEW SHIELD ITEM# 7530143 IAW SRM 51-40-05-0G-0 AND DWG# 143A8126 REV-A AND INSTALLED IAW SRM 51-40-02-0G-0 AND DWG# 143A0080

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