Service difficulty report · Stringer · Boeing 7377H4

Difficulty date
July 31, 2024
Submitted
September 5, 2024
Operation
Air carrier
Aircraft
N494WN
Make and model
Boeing 7377H4
Aircraft serial
33868
Aircraft time
65,251 hours, 39,171 cycles
Part
Stringer
Condition
Cracked
Location
Zone 100
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

CRACK STRINGER 25R LOCATED ON BS540 WL156 AT FWD CARGO COMPARTMENT 2024-473143<[01] TOOL USED: ULTRASONIC THICKNESS GAGE; P/N: 45 MG; S/N: 130060401; DUE DATE: 28-MAR-25.;[02] TOOLS USED: TEMPERATURE CONTROLLER: P/N: P3015GOES00000; S/N: 142811020; DUE DATE: 23-JAN-25; TEMPERATURE CONTROLLER: P/N: P3015GOES00000; S/N: 112820025; DUE DATE: 22-JAN-25.;[03] TOOL USED ON STEP 9 ET EQUIPMENT: P/N: NORTEC 600D; S/N: 220272512; CAL DUE DATE: 08-JAN-25;[04] REPAIRED STRINGER 25R LOCATED ON BS540 WL156 AT FWD CARGO COMPARTMENT IAW B737-700 SRM 53-00-03-2R-1; REPAIR 1. <BR>SEE INDIVIDUAL SIGN OFF BELOW;[05] TASK COMPLETED ; RII <BR>SEE INDIVIDUAL SIGN OFF BELOW

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