Service difficulty report · Fuel Tank · Boeing 7378H4

Difficulty date
August 27, 2025
Submitted
September 24, 2025
Operation
Air carrier
Aircraft
N8698B
Make and model
Boeing 7378H4
Aircraft serial
36977
Aircraft time
30,100 hours, 15,025 cycles
Part
Fuel Tank
Condition
Cracked
Location
Zone 100
Stage of operation
IN
How discovered
E
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 RIGHT, THE INBD FWD FUEL TANK FASTENER HOLE HAS CRACK INDICATION AT SECOND LAYER. CLEANED HOLE IAW SRM 51-10-02. PERFORMED HOLE PROBE INSPECTION IAW NDT 51-00-00, PART 6, PROC 16 CRACKED INDICATION STILL PRESENT. REPAIRED FASTENER HOLE IAW SRM 51-40-02 & EA 25-157-02315,

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