Service difficulty report · Attach Angle · Boeing 7378H4

Difficulty date
August 21, 2025
Submitted
September 22, 2025
Operation
Air carrier
Aircraft
N8697C
Make and model
Boeing 7378H4
Aircraft serial
36728
Aircraft time
29,706 hours, 14,821 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

CRACK FOUND AT BS 663, RBL 34, ON VAPOR BARRIER ATTACH ANGLE. REMOVED VERTICAL ATTACHED FASTENERS ON RT 663 CHORD IAW SRM 51-40-02. REMOVED FUEL TANK FASTENERS AT BS 663 ON VAPOR BARRIER ATTACH ANGLE RBL 6 TO RBL 43 IAW SRM 51-40-02. REMOVED AND REPLACED VAPOR BARRIER ATTACH ANGLE IAW SRM 51-40-02 AND EA 25-157-02319 AND EA 25-157-02305. REF DWG 111A1000. FUEL TANK FASTENERS IN CONJUNCTION WITH VAPOR BARRIER ATTACH ANGLE LEAK CHECKED IAW AMM 28-11-00. NO LEAKS NOTED.

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