Service difficulty report · Stringer · Boeing 7377H4

Difficulty date
April 10, 2025
Submitted
May 6, 2025
Operation
Air carrier
Aircraft
N941WN
Make and model
Boeing 7377H4
Aircraft serial
36647
Aircraft time
50,295 hours, 30,868 cycles
Part
Stringer
Condition
Cracked
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

CRACK ON STRINGER 23L LOCATED BS540 AT FWD CARGO COMPARTMENT 2025-244235<[01] TOOL USED ON STEP 8:EDDY CURRENT EQUIPMENT P/N: NORTEC 600D; S/N: 220272712; DUE DATE: 28-JAN-26;[02] TOOLS USED TEMPERATURE CONTROLLED P/N: P3015GOES00000; S/N: 112811020; DUE DATE: 29-JAN-26 AND TEMPERATURE CONTROLLED P/N: P3015GOES00000; S/N: 112811019; DUE DATE: 29-JAN-26;[03] PERFORMED REPAIR ON STRINGER 23L LOCATED BS 500D + 10? TO BS 540 AT FWD CARGO COMPARTMENT. IAW B737-700 SRM 53-00-03-2R-1. SEE INDIVIDUAL SIGN OFFS BELOW.;[04] PERFORMED REPAIR ON STRINGER 23L LOCATED BS 500D + 10? TO BS 540 AT FWD CARGO COMPARTMENT. IAW B737-700 SRM 53-00-03-2R-1 REPAIR 1. SEE INDIVIDUAL SIGN OFFS BELOW.;[05] CORRECTED STEP 3 & 4.<BR>PERFORMED REPAIR ON STRINGER 23L LOCATED BS 500D + 10? TO BS 540 AT FWD CARGO COMPARTMENT. IAW B737-700 SRM 53-00-03-2R-1 REPAIR 1. SEE INDIVIDUAL SIGN OFFS BELOW.;[06] TASK CARD COMPLETED CERTIFIED AS RII<BR>PERFORMED REPAIR ON STRINGER 23L LOCATED BS 500D + 10? TO BS 540 AT FWD CARGO COMPARTMENT. IAW B737-700 SRM 53-00-03-2R-1 REPAIR 1. SEE INDIVIDUAL SIGN OFFS BELOW.;[07] WAS VERIFIED THIS REPAIR IS CATEGORY A IN ACCORDING WITH SRM 53-30-03-2R-1 PARAGRAPH 2 A AND B.;[08] CORRECTED STEP 7: WAS VERIFIED THIS REPAIR IS CATEGORY A IN ACCORDING WITH SRM 53-30-03-2R-1 PARAGRAPH 2 A AND B. (GERARDO CANJURA X266984)

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