Service difficulty report · Attach Angle · Boeing 7378H4

Difficulty date
June 23, 2025
Submitted
July 16, 2025
Operation
Air carrier
Aircraft
N8693A
Make and model
Boeing 7378H4
Aircraft serial
36921
Aircraft time
29,470 hours, 14,662 cycles
Part
Attach Angle
Condition
Cracked
Location
Zn 100 Fus Lower
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

R/H BS 663 VAPOR BARRIER UPPER ATTACH ANGLE CRACKED AT RBL 34. FABRICATED & MATCH DRILLED REPAIR PARTS PER SRM 57-10-10-2R-5. INITIAL AREA AND FASTENER HOLES REQUIRE NDT & GVI.;[03] PERFORMED NDT PER BOEING 51-00-00 PART 6. PROCEDURE 16 WITH NO DEFECT NOTED. PERFORMED GVI INSPECTION OF FASTENERS HOLES AND FOUND NO DEFECT. INSTALLED FASTENERS COMMON TO FUEL TANK PER SRM 51-40-02 & DWG 111A1000. REMOVED CRACKED PORTION OF ANGLE PER SRM 51-10-02. INSTALLED REMAINING REPAIR FASTENERS PER SRM 57-0-10-2R-5. C/W RII INSPECTION OF C/A #6;7;AND 8. VERIFIED DOME SEALED FASTENERS IAW AMM 51-31-00.

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