SDR SWAA2026060296332

Service difficulty report · Stringer · Boeing 7377H4

Difficulty date: May 7, 2026
Submitted: June 3, 2026
Operation: Air carrier
Aircraft: N253WN
Make and model: Boeing 7377H4
Aircraft serial: 32511
Aircraft time: 64,393 hours, 38,756 cycles
System (JASC): 5313 · Fuselage Main, Longeron/Stringer
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 27R LOCATED BS 540 WL 156.1 AT FWD CARGO COMPARTMENT. REPLACED REPAIR PARTS STRINGER SECTION, CHANNEL, ANGLES. STR 27R BTW BS500D TO BS 540 AT FWD CARGO COMPARTMENT IAW B737-700 SRM 53-00-03-2R-1 REPAIR 1; PARAGRAPH 4.K AND DWG 143A3210; SHEET 74 REV.B.

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