SDR CALA2026030414317

Service difficulty report · Stringer · Boeing 737924

Difficulty date: March 4, 2026
Submitted: March 4, 2026
Operation: Air carrier
Aircraft: N35407
Make and model: Boeing 737924
Aircraft serial: 30124
Aircraft time: 66,669 hours, 27,894 cycles
System (JASC): 5313 · Fuselage Main, Longeron/Stringer
Part: Stringer
Part number: 148A33702
Condition: Damaged
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

AT SECTION 48 FWD OF BS 1040, STRINGER 25 DAMAGED, ACCOMPLISHED STEPS A & B OF PARAG 4 OF SRM 53-00-03-2R-1. FOUND DAMAGED STRINGER PIECE TO HAVE JOGGLE UNDERNEATH FRAME. PERFORMED HFEC IAW NDTM 6-51-00-00-23. NO CRACKS NOTED. RECEIVED REPAIR STRINGER MATERIAL, TRIMMED TO FIT FOR STRINGER REPAIR IAW SRM 53-00-03-2R-1. INSTALLED THE STRINGER AND CHANNEL. INSTALLED FASTENERS IAW SRM 51-40-02. COMPLETED ALL STEPS AND INSTALLATION.