Service difficulty report · Stringer · Boeing 7377H4

Difficulty date
October 6, 2023
Submitted
November 3, 2023
Operation
Air carrier
Aircraft
N908WN
Make and model
Boeing 7377H4
Aircraft serial
36620
Aircraft time
51,548 hours, 31,049 cycles
Part
Stringer
Part number
UNKNOWN
Condition
Corroded
Location
Zn 100 Fus Lower
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

STRINGER 25R; BS 539 HAS CORROSION AROUND FASTENERS COMMON TO SKIN<[01] STRINGER 25R; BS 539 CORROSION AROUND FASTENERS COMMON TO SKIN WAS 'REPAIRED PER EA 23-153-03025. THIS IS A CATEGORY A REPAIR AS DEFINED IN 737-700 SRM 51-00-06.';[02] VERIFIED STEPS COMPLETE; CORRECTIVE ACTION COMPLETE WITH MEASUREMENTS

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