Service difficulty report · Stringer Splice · Boeing 7377H4

Difficulty date
January 28, 2021
Submitted
March 4, 2021
Operation
Air carrier
Aircraft
N405WN
Make and model
Boeing 7377H4
Aircraft serial
27893
Aircraft time
67,100 hours, 39,738 cycles
Part
Stringer Splice
Condition
Corroded
Location
Fuselage
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

***CORROSION*** AT FWD END OF STRINGER SPLICE AT FASTENER; BS 353; STR 28 R / REMOVED CORROSION ON STRINGER SPLICE IN A AREA OF .5' X .5' X .020' ORIGINAL THICKNESS .028' FOUND TO BE OUT OF LIMIT PER SRM 53-00-03-1A-1 REMOVED AND REPLACED STRINGER SPLICE PER:SRM 51-40-02 AND DRAWING 141A3531

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