Service difficulty report · Frame Splice · Boeing 73776N

Difficulty date
July 15, 2021
Submitted
August 10, 2021
Operation
Air carrier
Aircraft
N7723E
Make and model
Boeing 73776N
Aircraft serial
32670
Aircraft time
48,099 hours, 24,239 cycles
Part
Frame Splice
Condition
Corroded
Location
Bs 787
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 FRAME SPLICE AT AFT CARGO BAY BS787 RBL25 WL158. ; / REPAIRED BY REPLACEMENT IAW SRM 51-10-02-0G-O PAR.9C; [02] VERIFIED DAMAGE FOUND AT ACB FRAME SPLICE BS-787 RBL-25 WL-158 FOUND TO BE OUT OF LIMIT DUE TO NO LIMIT ON SRM PART WILL BE REPAIRED BY REPLACEMENT IAW SRM 51-10-02-0G-O PAR.9C; [03] REMOVED ACB FRAME SPLICE ANGLE P/N 146A1300-3 FROM BS-787 RBL-25 WL-158 IAW SRM 51-40-02-0G-0; [04] FORMED 1 EA FRAME SPLICE ANGLE FROM 7075T0#0.063' CLAD LOT# 1407552-1 IAW DWG#146A1300; 07] RECEIVED SPLICE ITEM146A1300-3 LOT. 1464383-1. LOCATED AND DRILLED ON FRAME AT AFT CARGO BAY BS787; RBL 25; WL 158 IAW SRM 51-40-05; DWG#146A1262. OK TO TREAT AND PRIMER;[11] INSTALLED NEW FRAME SPLICE AT AFT CARGO BAY BS787 RBL 25 WL 158 IAW SRM 51-40-02-0G-0 AND DWG#146A1300;

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