SDR CALA2026080718347

Service difficulty report · Stringer · Boeing 737724

Difficulty date: August 5, 2026
Submitted: August 7, 2026
Operation: Air carrier
Aircraft: N54711
Make and model: Boeing 737724
Aircraft serial: 28782
Aircraft time: 85,102 hours, 31,458 cycles
System (JASC): 5313 · Fuselage Main, Longeron/Stringer
Part: Stringer
Part number: 141A3531
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

E&E BAY, STR-28R WITH CORROSION AT STA 352. REMOVED, LOCATED, DRILLED, APPLIED ALODINE, PRIMER AND INSTALLED NEW STRINGER SPLICE BTW STA 351.50 TO STA 366.01 , STR-28R IAW SRM 51-40-02-0G-0, SOPM 20-30-03, AMM 20-60-07-913-801, SRM 51-40-05-0G-0, SRM 51-20-01-0G-0, AMM 51-21-72-370-804, & AMM 51-21-91-620-802.