Service difficulty report · Stringer · Boeing 7377H4

Difficulty date
March 14, 2025
Submitted
April 7, 2025
Operation
Air carrier
Aircraft
N939WN
Make and model
Boeing 7377H4
Aircraft serial
36646
Aircraft time
51,518 hours, 31,311 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 STRINGER 23L LOCATED STA540 FWD CARGO COMPARTMENT 2025-203705<[01] TOOL USED ON STEP 6. ET EQUIPMENT: P/N: NORTEC 600D; S/N: 60007161486; CAL DUE DATE: 06-SEP-25;[02] REPAIRED STRINGER 23L LOCATED BS 500D PLUS 10 INCHES TO BS 540 IAW BOEING 737-700 SRM 53-00-03-2R-1 REPAIR 1 AND DWG 143A3210 SHEET 74 REV. B<BR>SEE INDIVIDUAL SIGN OFFS BELOW;[03] TASK COMPLETED <BR>RII

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