Service difficulty report · Attach Angle · Boeing 7378H4

Difficulty date
May 29, 2025
Submitted
June 24, 2025
Operation
Air carrier
Aircraft
N8692F
Make and model
Boeing 7378H4
Aircraft serial
33942
Aircraft time
29,475 hours, 14,623 cycles
Part
Attach Angle
Condition
Cracked
Location
Zone 100
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

BS 663 VAPOR BARRIER ATTACH ANGLE HAS A CRACK AT APPROXIMATELY LBL 9. REMOVED FASTENERS FROM BS 663 VAPOR BARRIER ATTACH ANGLE LOWER LEG PER SRM 57-10-10-2R-5. FABRICATED REPAIR ANGLE & SPLICE ANGLE PER SRM 57-10-10-2R-5. TREATED REPAIR PARTS PER SRM 51-20-01 AND PRIMED PER AMM 51-21-72. INSTALLED TANK FASTENERS IAW SRM 57-10-10-2R-5] INSTALLED FASTENERS IN THE VERTICZAL LEG OF VAPOR BARRIER ATTACH ANGLE IAW SRM 51-40-02 & SRM 57-10-10-2R-5. INSTALLED FASTENERS IN THE VERTICZAL LEG OF THE 663 VAPOR BARRIER ATTACH ANGLE IAW SRM 51-40-02 AND SRM 57-10-10-2R-5. DOME SEALED INSIDE TANK FASTENERS IAW SOPM 20-50-19. REPAIRED BS 663 VAPOR BARRIER ATTACH ANGLE CRACK @ LBL 9 IAW SRM 57-10-10-2R-5.

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