Service difficulty report · Attach Angle · Boeing 7377H4

Difficulty date
June 14, 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
Attach Angle
Condition
Cracked
Location
Bs 663
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

B.S. 663 LOWER COMPOSITE BULKHEAD UPPER ATTACH ANGLE IS CRACKED AT L.B.L. 8; W.L. 164. ; / [01] REMOVED DAMAGE; CUT OUT UPPER ANGLE AT BS 663; LBL 14 IAW 57-10-10-2R-5 REPAIR 5; RE 16; NO CRACKS NOTED.<BR><BR>CAL ID IS000450 N500D; [06] REQUEST A DETAIL INSPECTION OF THE REPAIR AREA AND UNDERLYING STRUCTURE TO MAKE SURE THAT THERE IS NOT A DAMAGE WITHIN THE REPAIR AREA IAW SRM 51-00-06.; [07] LOCATED AND DRILLED ANGLE REPAIR PARTS -1 REPLACEMENT ANGLE AND -2 SPLICE ANGLE AT BS 663; LBL 8; WL 164 IAW SRM 57-10-10-2R-5 REPAIR 5; SRM 51-40-05 AND DWG 111A1322. OK TO INSTALL.<BR><BR>APPLIED CHEMICAL CONVERSION COATING AND PRIMER ALL BARE METAL AND TRIM OUT AREA IAW SRM 51-20-01 AND SOPM 20-41-02.<BR><BR>-1 ANGLE VAPOR BARIER DOUBLER REPAIR ANGLE P/N ATSHFAB-101-351 LOT # 5082375-1. DWG 111A1322<BR><BR>-2 ANGLE VAPOR BARIER P/N ATSHFAB-101-351 LOT # 5082375-1. DWG 111A1322;

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