Service difficulty report · Angle · Boeing 7378H4

Difficulty date
March 20, 2025
Submitted
April 24, 2025
Operation
Air carrier
Aircraft
N8688J
Make and model
Boeing 7378H4
Aircraft serial
36939
Aircraft time
29,606 hours, 14,687 cycles
Part
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

LH A/C BAY STA 663 LBL 9' VAPOR BARRIER CLOSE OUT ANGLE CRACKED <[01]. LH A/C BAY STA 663 VAPOR BARRIER CLOSE OUT ANGLE HAS ADDITIONAL CRACK DAMAGE AT LBL42. ANGLE REQUIRES REPLACEMENT REFERENCE SRM 57-10-10-2R-5.; [02] BEGAN REMOVAL OF FASTENERS PER SRM 51-40-02.; [03] C/W HOLE PROBE IAW B737 NDT 51-00-00 PART 6 PROC 16 NO DEFECTS NOTED; [04] REMOVED LH CLOSE OUT ANGLE PER SRM 51-40-02.; [05] LOCATED AND DRILLED NEW L/H STA 663 VAPOR BARRIER CLOSE OUT L ANGLE PER SRM 51-40-05.; [06] INSPECTED WORK PERFORMED ON C/A #4 AND C/A #5; [07] OK TO INSTALL CLOSE OUT ANGLE; [08] C/W INSPECTION OF TANK FASTENERS CAP SEAL.; [09] INSTALLED FASTENERS COMMON TO VERTICAL LEG OF STA 663 CLOSE OUT ANGLE I.A.W SRM 51-40-02.; [1

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