Service difficulty report · Shield · Boeing 7377H4

Difficulty date
July 29, 2021
Submitted
September 15, 2021
Operation
Air carrier
Aircraft
N447WN
Make and model
Boeing 7377H4
Aircraft serial
33720
Aircraft time
58,733 hours, 34,620 cycles
Part
Shield
Condition
Corroded
Location
Bs 852 Rbl 23
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 AFT CARGO BAY BS852 RBL23 WL164. ; / [01] DAMAGE FOUND ON AFT SHIELD AT AFT CARGO BAY BS 852 RBL23 WL164; P/N: 146A8127-10; FOUND TO BE OUT OF LIMITS ON SRM PARTS WILL BE REPAIRED BY REPLACEMENT IAW SRM 51-10-02-0G-0 PAR.9.C.; [02] VERIFIED DAMAGE FOUND ON AFT SHIELD AT AFT CARGO BAY BS 852 RBL23 WL164; P/N: 146A8127-10; FOUND TO BE OUT OF LIMITS ON SRM PARTS WILL BE REPAIRED BY REPLACEMENT IAW SRM 51-10-02-0G-0 PAR.9.C.; [03] REMOVED SHIELD AT AFT CARGO BAY BS852 RBL23 WL164 IAW SRM 51-40-02-0G-0; [04] LOCATED AND DRILLED NEW ACB; AFT SHIELD ITEM #146A8127Y10;LOT#1463083-1;PO#829927 IAW SRM 51-40-05-0G-0; [05] VERIFIED REMOVAL OF DAMAGED SHIELD AND LOCATED AND DRILLED NEW ACB; AFT SHIELD ITEM #146A8127Y10; LOT#1463083-1;PO#829927 IAW SRM 51-40-05-0G-0 AND SRM 51-40-02-0G-0; [06] OK TO INSTALL AFT SHIELD AT AFT CARGO BAY LOCATED BTW BS847- BS 867 WITH P/N 146A8127-10.; [07] OK TO INSTALL AFT CARGO BAY AFT SHIELD; [08] INSTALLED AFT SHIELD AT AFT CARGO BAY LOCATED BTW BS847- BS 867 WITH P/N 146A8127-10 IAW SRM 51-40-02-0G-0; DWG#146A0081. ALL MAINTENANCE ACTIONS ARE COMPLETE REQUEST FINAL BUYOFF.; [09] UPDATED PARTS USAGE; [10] RII INSPECTED INSTALLED AFT SHIELD AT AFT CARGO BAY LOCATED BTW BS847- BS 867 WITH P/N 146A8127-10 IAW SRM 51-40-02-0G-0; DWG#146A0081.; [11] INSPECTION COMPLETE

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