Service difficulty report · Attach Angle · Boeing 7378H4

Difficulty date
June 26, 2025
Submitted
July 16, 2025
Operation
Air carrier
Aircraft
N8696E
Make and model
Boeing 7378H4
Aircraft serial
36678
Aircraft time
29,622 hours, 14,802 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 BS 663 VAPOR BARRIER ATTACH ANGLE APPROX LBL 9. REMOVED VERTICAL FASTENERS ON LT BS 663 ANGLE FROM LBL 8 TO LBL 24 IAW SRM 57-10-10-2R-5. REPAIR 5. REMOVED FUEL TANK FASTENERS FROM VAPOR BARRIER ATTACH ANGLE PER SRM 57-10-10-2R-5 REPAIR 5. 1 AND 2 ACCOMPLISHED PER SRM 57-10-10-2R-5 REPAIR 5. PERFORMED AN OPEN HOLE HIGH FREQUENCY EDDY CURRENT (HFEC) INSPECTION FOR ALL INITIAL FASTENER HOLES IN THE REPAIR AREA. REFER TO NDT PART 6; 51-00-00; PROCEDURE 16. NO DEFECTS NOTED. PERFORMED INITIAL CUT OF VAPOR BARRIER ATTACH ANGLE PER SRM 57-10-10-2R-5. REPAIRED BS 663 VAPOR BARRIER ATTACH ANGLE IAW SRM 57-10-10-2R-5 AND EA M-24-157-02340.

More about the Boeing 737-8H4