Service difficulty report · Frame Splice · Boeing 7377H4

Difficulty date
June 9, 2021
Submitted
July 19, 2021
Operation
Air carrier
Aircraft
N489WN
Make and model
Boeing 7377H4
Aircraft serial
33855
Aircraft time
54,253 hours, 32,244 cycles
Part
Frame Splice
Condition
Corroded
Location
Bs 787
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 FRAME SPLICE AT AFT CARGO BAY BS787 RBL24 WL158. ; / [01] EVALUATED CORROSION ON FRAME SPLICE AT BS787 RBL24 WL158 FOUND TO BE OUT OF LIMITS DUE TO NO LIMITS IN SRM AND REQUIRES REPLACEMENT PER SRM 51-10-02-0G-0; [02] VERIFIED OUT OF LIMITS; [03] REMOVED ACB FRAME SPLICE BS 787 PER SRM 51-40-02-0G-0; [04] LOCATED; DRILLED AND DEBURRED NEW SPLICE @BS787 RBL24 WL158; PO#827222 IAW SRM 51-40-05 AND DWG #146A1262.; [05] VERIFIED LOCATE; DRILL AND DEBURR OF NEW SPLICE; BS787; RBL24; WL158; IAW SRM 51-40-05 AND DWG #146A1262; [06] OK TO INSTALL NEW FRAME SPLICE BS787 RBL24 WL158; [07] OK TO INSTALL NEW FRAME SPLICE IN ACB BS 787 RBL 24 WL 158.; [08] INSTALLED ACB FRAME SPLICE BS787 RBL24 WL158; IAW SRM 51-40-02-0G-0; DWG 146A1262.; [09] VERIFIED INSTALLATION OF ACB FRAME SPLICE BS787 RBL24 WL158; IAW SRM 51-40-02-0G-0; DWG 146A1262.; [10] VERIFIED COMPLETION OF CUSTOMER CARD TTG8Q005DWRA

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