Service difficulty report · Frame Splice · Boeing 7377H4

Difficulty date
July 14, 2021
Submitted
August 18, 2021
Operation
Air carrier
Aircraft
N444WN
Make and model
Boeing 7377H4
Aircraft serial
29839
Aircraft time
61,121 hours, 35,983 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 AT AFT CARGO BAY BS787 RBL27 WL156. MARKED ; / [01] CORROSION ON FRAME SPLICE WAS FOUND TO BE OUT OF LIMITS DUE TO NO LIMITS ARE GIVEN IN THE SRM PART WILL BE REMOVED AND REPLACED PER SRM 51-10-02-0G-0 PARAGRAPH 9.; [02] VERIFIED CORROSION ON FRAME SPLICE WAS FOUND TO BE OUT OF LIMITS DUE TO NO LIMITS ARE GIVEN IN THE SRM PART WILL BE REMOVED AND REPLACED PER SRM 51-10-02-0G-0 PARAGRAPH 9.; [03] REMOVED ACB FRAME SPLICE BS787; RBL27; WL156 PER SRM 51-40-02-0G-0; [04] LOCATED AND DRILL ACB FRAME SPLICE BS787; RBL27; WL156 PER SRM 51-40-02-0G-0 AND DWG 146A1262. OK TO INSTALL; [05] VERIFIED LOCATE AND DRILL OF ACB FRAME SPLICE AT BS 787; RBL 27; WL 156 PER SRM 51-40-02-0G-0 AND DWG 146A1262. OK TO INSTALL FRAME SPLICE GIVEN.; [06] INSTALLED NEW FRAME SPLICE AT BS 787; RBL 27; WL 156 PER SRM 51-40-02-0G-0 AND DWG 146A1262; [07] VERIFIED INSTALLATION OF NEW FRAME SPLICE AT BS 787; RBL 27; WL 156 PER SRM 51-40-02-0G-0 AND DWG 146A1262; [08] VERIFIED CARD COMPLETE

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