# SDR CALA2026080718347

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 5, 2026
- Submitted: August 7, 2026
- Operation: Air carrier
- Aircraft: [N54711](https://openairdocs.org/aircraft/N54711), registered now
- Make and model: Boeing 737724
- Aircraft serial: 28782
- Aircraft time: 85,102 hours, 31,458 cycles
- System (JASC): [5313 · Fuselage Main, Longeron/Stringer](https://openairdocs.org/jasc/5313)
- Part: Stringer
- Part number: 141A3531
- Condition: Corroded
- Location: Zone 100
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2026080718347

## Discrepancy

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.

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