Service difficulty report · Attach Angle · Boeing 7378H4

Difficulty date
March 29, 2025
Submitted
April 28, 2025
Operation
Air carrier
Aircraft
N8686A
Make and model
Boeing 7378H4
Aircraft serial
36938
Aircraft time
27,142 hours, 13,384 cycles
Part
Attach Angle
Part number
111A13229
Condition
Cracked
Location
Zn 100 Fus Lower
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

L/H VAPOR BARRIER ATTACH ANGLE IS CRACKED STA 663 LBL 8. REMOVED FASTENERS IN FUEL TANK ONLY OF L/H VAPOR BARRIER ATTACH ANGLE PER SRM 51-40-02;[02] CUT AND REMOVED DAMAGED SECTION OF ANGLE PER SRM 57-10-10-2R-5. C/W HFEC OPEN HOLE PROBE INSPECTION OF ALL EXISTING FASTENER HOLES PER NDT MANUAL PART 6; 51-00-00 PROCEDURE 16. FOUND ONE HOLE BAD; SEE FAULT # TTG8QOOZMGGN. FORMED SPLICE ANGLE IAW SRM 57-10-10-2R-5. LOCATED, DRILLED, AND TRIMMED SPLICE ANGLE PER SRM 57-10-10-2R-5. ] OBTAINED PREFABRICATED REPLACEMENT VAPOR BARRIER ATTACH ANGLE FROM STORES. CUT; LOCATED; AND DRILLED REPLACEMENT ANGLE FROM PREFABRICATED PART; FROM APPROXIMATELY LBL 6' TO LBL 17' AT STA. 663 PER SRM 57-10-10-2R-5. TREATED AND PRIMED REPAIR PARTS PER SRM 51-20-01 AND SOPM 20-41-02.

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