Service difficulty report · Shield · Boeing 7377H4

Difficulty date
March 14, 2020
Submitted
April 27, 2020
Operation
Air carrier
Aircraft
N920WN
Make and model
Boeing 7377H4
Aircraft serial
32460
Aircraft time
40,949 hours, 24,484 cycles
Part
Shield
Condition
Corroded
Location
Fuselage
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

AFT PIT STA 847 TO 867 STR26R; WL157; HAS SPOTS OF CORROSION ON AFT SHIELD WEB / REMOVED AND EVALUATED CORROSION IN AFT PIT STA 847-867 STR 26R WL 157 ON AFT SHIELD ORIGINAL MATERIAL THICKNESS .063' MAT. LOSS .014' WITH .049' REMAINING FOUND TO BE OUT OF LIMITS IAW SRM 53-60-15-1A-1. REMOVED AND REPLACED AFT SHIELD IAW SRM 51-40-02-0G-0 & DWG 146A0081 REV- P/N 146A8127-10

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