Service difficulty report · Attach Angle · Boeing 7378H4

Difficulty date
April 7, 2026
Submitted
May 11, 2026
Operation
Air carrier
Aircraft
N8534Z
Make and model
Boeing 7378H4
Aircraft serial
63578
Aircraft time
29,412 hours, 14,746 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

H.F.E.C. VERIFIED BS 663 VAPOR BARRIER ATTACH ANGLE CRACKED APPROX. LBL 9.<[01] REMOVED ALL FASTENERS ON L/H VAPOR BARRIER ATTACH ANGLE IN FUEL TANK PER SRM 57-10-10-2R-5. REMOVED ALL FASTENERS ON VERTICAL FLANGE OF THE VAPOR BARRIER ATTACH ANGLE FROM APPROXIMATELY LBL 5' TO LBL 65' PER SRM 51-40-02. REMOVED L/H VAPOR BARRIER ATTACH ANGLE FROM APPROXIMATELY LBL 5' TO LBL 65' PER SRM 51-40-02. LOCATED; DRILLED; AND DEBURRED NEW REPLACEMENT LH VAPOR BARRIER ATTACH ANGLE PER SRM 51-40-05. REMOVED AND REPLACED NEW VAPOR BARRIER ATTACH ANGLE FROM LBL 5 TO LBL 65 PER SRM 51-40-02; EA-M-24-157-02340 AND DRAWING 111A1000.

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