Service difficulty report · Stringer · Boeing 737724

Difficulty date
November 24, 2025
Submitted
December 8, 2025
Operation
Air carrier
Aircraft
N23721
Make and model
Boeing 737724
Aircraft serial
28940
Aircraft time
82,965 hours, 30,635 cycles
Part
Stringer
Part number
BAC1498156
Condition
Corroded
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

STRINGER 26L HAS CORROSION BETWEEN BS 360 AND 380. REMOVED DAMAGED SECTION OF STR 26L IAW SRM 53-00-03-2R-1 STEP 4 A&B. HFEC REQUIRED AT CUT EDGE OF DMG REMOVAL IAW SRM 53-00-03-2R-1 STEP 4C. PERFORMED HFEC INSPECTION OF CUT EDGE OF STRINGER IAW NDT MANUAL PART 6, 51-00-00 PROC 23, NO DEFECTS NOTED IAW SRM 53-00-03-2R-1. FABRICATED, LOCATED, DRILLED, TREATED, & PRIMED ALL REPAIR PARTS IAW SRM 53-00-03-2R-1. INSTALLED STRINGER SPLICE REPAIR, REPLACEMENT STRINGER SECTION, AND PRODUCTION SPLICE IAW SRM 53-00-03-2R-1.