Service difficulty report · Angle · Boeing 7378H4

Difficulty date
September 8, 2022
Submitted
October 5, 2022
Operation
Air carrier
Aircraft
N8651A
Make and model
Boeing 7378H4
Aircraft serial
36920
Aircraft time
27,317 hours, 12,717 cycles
Part
Angle
Condition
Cracked
Location
Center Wing
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

L/H BS663 UPPER ATTACH ANGLE IS CRACKED AT VAPOR BARRIER LBL8 WL167.68 / [01] VALIDATED APPLICABILITY OF SRM 57-10-10-2R-5;[02] INSTALLED EWIS PROTECTION AT REPAIR AREA BS 663 LBL 6-45 IAW AMM 20-60-07.;[03] REMOVED DAMAGED AREA AND FASTENERS AT REPAIER AREA BS 663 LBL 6-20 WL 167 IAW SRM 57-10-10-2R-5 PAR 4 A-B.;[04] VERIFIED CORRECTIVE ACTION 3.;[05] REQUIRED NDI FOR OPEN HOLES ON REPAIR AREA IAW SRM 57-10-10-2R-5 PAR 4 C.;[06] ACCOMPLISHED HFEC INSPECTION OF OPEN HOLES AND CUT OUT IAWNDTM D6-37239 PART 6; 51-00-00 PROC16 AND PROC 23. TOOL I.D. ATS2353 N600;[07] PERFORMED DVI ON REPAIR AREA BS 663 LBL 6-20 WL 167 IAW SRM 57-10-10-2R-5 PAR 4 D.;[08] VERIFIED CORRECTIVE ACTION 7.;[09] ADD NO CRACKS FOUND TO ACTION 6;[10] CERTIFIY;[11] RECEIVED REPAIR PARTS FROM OSS -1 REPLACEMENT ANGLE MATERIAL USED 2024T3 CLAD 0.063' LOT#1489987-1 P.O 882405-SWA-1 AND -2 SPLICE ANGLE MATERIAL USED 2024T3 CLAD 0.071' LOT#1452482-1 P.O 882405-SWA IAW SRM 57-10-10-2R-5 PAR 4E TABLE 201.;[12] VERIFIED CORRECTIVE ACTION 11.;[13] LOCATED;DRILLED;APPLIED CHEMICAL CONVERSION COATING AND PRIMER TO NEW REPAIR PARTS -1; -2 AND REPAIR AREA LBL 6-20 WL 167 IAW SRM 57-10-10-2R-5 PAR 4 E-K.;[14] VERIFIED CORRECTIVE ACTION 13.;[15] OK TO INSTALL.;[16] OK TO INSTALL GIVEN.;[17] INSTALLED REPAIR PARTS AND FASTENERS AT REPAIR AREA LBL 6-20 WL 167 IAW SRM 57-10-10-2R-5 PAR 4 L.;

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