Service difficulty report · Attach Angle · Boeing 7377H4

Difficulty date
June 17, 2021
Submitted
July 7, 2021
Operation
Air carrier
Aircraft
N963WN
Make and model
Boeing 7377H4
Aircraft serial
36676
Aircraft time
32,578 hours, 19,816 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

L/H VAPOR BARRIER UPPER ATTACH ANGLE IS CRACKED AT BS 663 LBL 8 W/L 164 / [01] VERIFIED APPLICABILY FOR REPAIR IAW SRM 57-10-10-2R-5 REPAIR 5; [02] VERIFIED SRM 57-10-10-2R-5 REPAIR 5 IS APPLICABLE.; [03] VERIFIED SRM 57-10-10-2R-5 REPAIR 5 IS APPLICABLE.; [04] REMOVED FASTENERS AS SHOWN IN THE FIGURE 202 DETAIL B LOCATED AT B/S 663 BTW LBL 6 TO LBL 20 IAW SRM 57-10-10-2R-5 REPAIR 5; [05] PERFORMED CUT-OUT THE UPPER ATTACH ANGLE LOCATED AT B/S 663 BTW LBL 6 TO LBL 20 IAW SRM 57-10-10-2R-5 REPAIR 5 STEP 4B; [06] PERFORMED A DETAIL VISUAL INSPECTION OF THE REPAIR AREA AND THE UNDERLYNG STRUCTURE AND NOT FOUND MORE DAMAGE WITHIN THE REPAIR AREA LOCATED AT B/S 663 BTW LBL 6 TO LBL 20 IAW SRM 57-10-10-2R-5 REPAIR 5; [07] VERIFIED ITEM 4-6.; [08] INSPECTED CUTOUT AND ACCOMPLISHED DVI OF THE REPAIR AREA AND THE UNDERLYNG STRUCTURE AND NO DAMAGE WITHIN THE REPAIR AREA NOTED LOCATED AT B/S 663 BTW LBL 6 TO LBL 20 IAW SRM 57-10-10-2R-5 REPAIR 5; [09] HFEC INSPECTED INITIAL FASTENER HOLES IN THE REPAIR AREA PER NDTM PART 6; 51-00-00 PROCEDURE 16. FOUND FAULT TTG8Q005HQ86; NO OTHER CRACKS NOTED.<BR>CAL ID: ATS1465 S/N: 60004150296<BR>CAL ID: ATS1411 S/N: MM12030Z012384; [10] LOCATED AND DRILLED: REPLACEMENT ANGLE ATSHFAB-101-353 LOT. 540264 AND REPAIR SPLICE ANGLE ATSDFAB-101-355 LOT.537716 IAW SRMS 57-10-10-2R-5 AND 51-40-05;

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