SDR SWAA2021092210387

Service difficulty report · Stringer · Boeing 7377H4

Difficulty date: August 24, 2021
Submitted: September 22, 2021
Operation: Air carrier
Aircraft: N228WN
Make and model: Boeing 7377H4
Aircraft serial: 32496
Aircraft time: 53,078 hours, 31,709 cycles
System (JASC): 5313 · Fuselage Main, Longeron/Stringer
Part: Stringer
Condition: Cracked
Location: Bs 540 S25r
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 25R ; BS 540 FWD CARGO COMPARTMENT ; 2021-392103 / PERFORMED PERMANENT REPAIR ON STR 25R LOCATED BTW BS 500C + 4 INCH AND BS 540 IAW B737-700 SRM 53-00-03-2R-1 REPAIR 1 MATERIAL USED ALUMINUM SHEET P/N: 7075-T0/0.036Ï¿½ PO: 2021-131796 HEAT TREATED AND CONVERTED FROM 7075-T0 TO 7075T6 AND P/N: BAC1493-659, P/O: 2021 135314, P/N: BAC1493-249, P/O: 2021 147833.

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