Service difficulty report · Shield · Boeing 7377H4

Difficulty date
March 10, 2020
Submitted
April 13, 2020
Operation
Air carrier
Aircraft
N427WN
Make and model
Boeing 7377H4
Aircraft serial
29831
Aircraft time
61,697 hours, 36,249 cycles
Part
Shield
Part number
146A8127
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

***CORROSION*** ON SHIELD AT B.S. 847-867; W.L. 155; R.B.L. 21. / CORROSION FOUND ON ACB AFT SHIELD BS847-867 RBL-21 WL-155 FOUND TO BE OUT OF LIMIT DUE TO NO LIMIT ON SRM PARTS WILL REPAIRE BY REPLACEMENT IAW SRM 51-10-02-0G-0 PAR.9C LOCATED AND DRILLED NEW SHIELD ITEM# 7531255 IAW SRM 51-40-05-0G-0 AND DWG# 146A8127 AND INSTALLED IAW SRM 51-40-02-0G-0 AND DWG# 146A0081; REV.A.

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