Service difficulty report · Stringer · Boeing 7377H4

Difficulty date
July 9, 2023
Submitted
August 2, 2023
Operation
Air carrier
Aircraft
N913WN
Make and model
Boeing 7377H4
Aircraft serial
29840
Aircraft time
49,236 hours, 29,953 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 25R LOCATED BS540 WL155.3 AT FWD CARGO COMPARTMENT 2023-431287<[01] TOOL USED UT EQUIPMENT P/N: 45MG; S/N: 221860711; CAL DUE DATE: 07-NOV-23;[02] TOOLS USED: TEMPERATURE CONTROLLER: P/N P3015GOES00000; S/N 112031023; DUE DATE: 01-FEB-24; TEMPERATURE CONTROLLER: P/N P3015GOES00000; S/N 112820025; DUE DATE: 01-FEB-24.;[03] TOOL USED: EDDYCURRENT FLAW DETECTOR; P/N: NORTEC 600 D; S/N:60009161631; DUE DATE: 31-JAN-24;[04] PERFORMED PERMANENT REPAIR STR 25R LOC. BTW BS 500C TO BS 540 FWD CARGO COMPARTMENT IAW B737-700 SRM 53-00-03-2R-1 REPAIR 1 <BR>SEE INDIVIDUAL SIGN OFFS BELOW;[05] RII JOB COMPLETED

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