Service difficulty report · Attach Angle · Boeing 7378H4

Difficulty date
October 22, 2025
Submitted
November 20, 2025
Operation
Air carrier
Aircraft
N8510E
Make and model
Boeing 7378H4
Aircraft serial
36944
Aircraft time
29,799 hours, 14,941 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 LT VAPOR BARRIER UPPER ATTACH ANGLE CRACKED AT LBL 34. REMOVED THE LT VAPOR BARRIER UPPER ATTACH ANGLE IAW SRM 51-40-02. C/W HFEC OF OPEN HOLES IN REPAIR AREA PER NDT PART 6 51-00-00 PROD. 16, NO DEFECTS NOTED. MATCH DRILLED NEW ANGLE IAW SRM 51-40-02. INSTALLED FASTENERS IN ATTACH ANGLE COMMON TO FUEL TANK IAW SRM 51-40-02, & DWG 111A1000.

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