Service difficulty report · Stringer · Boeing 7377H4

Difficulty date
July 13, 2023
Submitted
August 14, 2023
Operation
Air carrier
Aircraft
N296WN
Make and model
Boeing 7377H4
Aircraft serial
36613
Aircraft time
52,196 hours, 31,408 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

CORROSION STRINGER 23R LOCATED BS540 AND WL163 AT FWD CARGO COMPARTMENT 2023-444014<[01] TOOL USED: EDDY CURRENT INSTRUMENT P/N: NORTEC 600D; S/N: 220272512; DUE DATE: 17-DEC-23;[02] TOOL USED UT EQUIPMENT P/N: 45MG; S/N: 221860711; CAL DUE DATE: 07-NOV-23;[03] PERFORMED PERMANENT REPAIR STR 23R BETWEEN BS520 TO BS540 WL163 FWD CARGO COMPARTMENT IAW B737-700 SRM 53-00-03 2R-1 REPAIR.SEE INDIVIDUAL STEP SIGN OFF BELOW;[04] RII STEP COMPLETED

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