Service difficulty report · Stringer · Boeing 7377H4

Difficulty date
March 30, 2022
Submitted
May 4, 2022
Operation
Air carrier
Aircraft
N427WN
Make and model
Boeing 7377H4
Aircraft serial
29831
Aircraft time
66,803 hours, 39,311 cycles
Part
Stringer
Condition
Cracked
Location
Pax Cabin
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 15L LOCATED BETWEEN BS294.5 TO BS303.9 AT PASSENGER CABIN 2022-165275 / [01] TOOL USED: ULTRASONIC EQUIPMENT P/N: 45MG; S/N: 130060401; DUE DATE: 22-APR-22.;[02] TOOL USED: EDDY CURRENT EQUIPMENT; P/N: NORTEC500D; S/N: N500X12101V022240; CAL DUE DATE:27-JAN-23;[03] TOOLS USED: TEMPERATURE CONTROLLER P/N: P3015GOES00000; S/N: 142811020; DUE DATE: 02-FEB-23; TEMPERATURE CONTROLLER P/N: P3015GOES00000; S/N: 142811019; DUE DATE: 02-FEB-23.;[04] PERFORMED PERMANENT REPAIR STRINGER 15L BETWEEN BS294.5 TO BS303.9 AT PASSENGER CABIN IAW B737-700 SRM 53-00-03-2R-1 REPAIR 1. MATERIAL USED: STRINGER SECTION ALUMINUM SHEET P/N 7075T0-0.056? P.O. 2021 127971; CHANNEL (1 E/A) AND ANGLES (2 E/A) ALUMINUM SHEET P/N 7075T0-0.063? P.O. 2021 158110. <BR>SEE INDIVIDUAL SIGN OFFS BELOW.;[05] COMPLETE TASK CERTIFIED RII

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