Service difficulty report · Angle · Boeing 7377H4

Difficulty date
April 29, 2022
Submitted
May 10, 2022
Operation
Air carrier
Aircraft
N498WN
Make and model
Boeing 7377H4
Aircraft serial
32480
Aircraft time
58,597 hours, 34,717 cycles
Part
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

LH STA 663 VAPOR BARRIER ATTACH ANGLE CRACKED AT LBL 9 / [01] REMOVED ALL FASTENERS AND TRIMMED OUT DAMAGED SECTION OF VAPOR BARRIER ANGLE IAW SRM 57-10-10-2R-5;[02] PERFORMED DETAILED VISUAL INSPECTION OF REPAIR AREA AND UNDERLYING STRUCTURE; NO DEFECTS NOTES IAW SEM 57-10-10-2R-5;[03] VERIFIED NEW -1 REPLACEMENT ANGLE FABRICATED ON BACK SHOP W/O 43657-5000-0001 AND -2 SPLICE ANGLE FABRICATED ON BACK SHOP W/O 43657-5000-0002 IAW SRM 57-10-10-2R-5;[04] VERFIED STEPS 1;2 AND 3;[05] VERIFIED STEPS 1; 2; 3 AND 4;[06] PERFORMED NDT FOR CRACKS IAW B737 NDT PT. 6; 51-00-00 PROC 16. NO CRACKS NOTED. TOOL# 40083 CAL DUE 14SEP22.;[07] COMPLETED FABRICATION OF REPAIR PARTS IAW SRM 57-10-10-2R-5;[08] VERIFIED STEP 7;[09] VERIFIED ITEMS 7 AND 8<BR>OK TO TREAT AND PRIME REPAIR PARTS AND AIRCRAFT CUT OUTS;[10] TREATED AND PRIMED REPAIR PARTS AND BARE SURFACES IN REPAIR AREA IAW SRM 57-10-10-2R-5;[11] VERIFIED STEP 10;[12] VERIFIED ITEM 10 AND 11<BR>OK TO INSTALL REPAIR PARTS;[13] COMPLETED INSTALLATION AND APPLIED FILLET SEAL TO REPAIR PARTS IAW SRM 57-10-10-2R-5<BR>FUEL TANK FASTENERS REQUIRE INTEENAL CAP SEALANT;[22] REMOVED DAMAGE FROM LH 663 VAPOR BARRIER ATTACH ANGLE AT LBL 9; FABRICATED AND INSTALLED REPAIR IAW SRM 57-10-10-2R-5;[23] C/W;[24] C/W<BR>AUDIT C/W

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