Service difficulty report · Stringer Splice · Boeing 7377BD

Difficulty date
December 1, 2025
Submitted
December 30, 2025
Operation
Air carrier
Aircraft
N7743B
Make and model
Boeing 7377BD
Aircraft serial
36718
Aircraft time
55,721 hours, 29,446 cycles
Part
Stringer Splice
Condition
Corroded
Location
Zone 100
Stage of operation
IN
How discovered
9
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

E/E COMPARTMENT STA 360 STGR 28 LT FOUND CORROSION AT STGR SPLICE; ALSO FOUND CORROSION BTWN 28 LT STRINGER AND LOWER SKIN AREA. REMOVED AND REPLACED STRINGER SPLICES FROM STR 28L BETWEEN BS 357 TO BS 368 IAW SRM 51-40-02 ; DWG:140A9101 REV-.

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