Service difficulty report · Frame Splice · Boeing 7377H4

Difficulty date
June 17, 2021
Submitted
July 14, 2021
Operation
Air carrier
Aircraft
N226WN
Make and model
Boeing 7377H4
Aircraft serial
32494
Aircraft time
53,110 hours, 31,655 cycles
Part
Frame Splice
Part number
146A1300U3
Condition
Corroded
Location
Bs 787-S24r
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 AT AFT CARGO BAY BS787 S-24R WL161. ; / [01] ON FURTHER INVESTIGATION CORROSION FOUND ON ACB FRAME SPLICE BS 787 STR 24R WL 161 FOUND TO BE OUT OF LIMIT DUE TO NO LIMIT ON SRM PARTS WILL BE REPAIRED BY REPLACEMENT IAW SRM 51-10-02-0G-0 PAR 9C; [02] VERIFIED - CORROSION FOUND ON ACB FRAME SPLICE BS 787 STR 24R WL 161 FOUND TO BE OUT OF LIMIT DUE TO NO LIMIT ON SRM PARTS WILL BE REPAIRED BY REPLACEMENT IAW SRM 51-10-02-0G-0 PAR 9C; [03] REMOVED ACB FRAME SPLICE BS 787 STR 24R WL 161 IAW SRM 51-40-02-0G-0; [04] LOCATED AND DRILLED NEW FRAME SPLICE P/N 146A1300U3 LOT#1461884-1 IAW SRM 51-40-05 FIG 3 AND DWG #146A1262. OK TO INSTALL; [05] VERIFIED LOCATE AND DRILL OF NEW FRAME SPLICE IAW SRM 51-40-05 FIG 3 AND DWG #146A1262. OK TO INSTALL; [06] INSTALLED NEW FRAME SPLICE AT BS 787; STR 24R PER SRM 51-40-02 AND DWG#146A1262; [07] VERIFIED INSTALLED NEW FRAME SPLICE AT BS 787; STR 24R PER SRM 51-40-02 AND DWG#146A1262.; [08] VERIFIED CARD COMPLETE; [09] VERIFIED CARD COMPLETE

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