Service difficulty report · Stringer · Boeing 7377H4

Difficulty date
September 25, 2024
Submitted
October 30, 2024
Operation
Air carrier
Aircraft
N499WN
Make and model
Boeing 7377H4
Aircraft serial
32481
Aircraft time
65,731 hours, 39,209 cycles
Part
Stringer
Condition
Corroded
Location
Zone 100
Stage of operation
IN
How discovered
V
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 26L LOCATED AT STA540 AND WL152 AT FWD CARGO COMPARTMENT 2024-588554<[01] TOOL USED STEP2 ULTRASONIC EQUIPMENT P/N: 45MG; S/N: 130064101; DUE DATE: 13-DEC-24;[02] TOOLS USED: TEMPERATURE CONTROLLER: P/N: P3015GOES00000; S/N: 142811020; DUE DATE: 23-JAN-25; TEMPERATURE CONTROLLER P/N: P3015GOES00000; S/N: 142811019; DUE DATE: 23-JAN-25.;[03] TOOL USED ON STEP 7 EDDY CURRENT EQUIPMENT P/N: NORTEC 600D S:N 60009161631 DUE DATE: 11-MAR-25;[04] PERFORMED REPAIR CATEGORY A ON STRINGER 26L LOCATED BTW STA 500D TO STA 540 AND WL 152 AT FWD CARGO COMPARTMENT IAW B737-700 SRM 53-00-03-2R-1. SEE INDIVIDUAL SIGN OFF BELOW.;[05] RII COMPLETED JOB

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