# SDR ASAA2026020564678

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 5, 2026
- Submitted: March 4, 2026
- Operation: Air carrier
- Aircraft: [N611AS](https://openairdocs.org/aircraft/N611AS), registered now
- Make and model: Boeing 737790
- Aircraft serial: 29753
- Aircraft time: 77,762 hours, 41,637 cycles
- System (JASC): [5313 · Fuselage Main, Longeron/Stringer](https://openairdocs.org/jasc/5313)
- Part: Stringer
- Part number: 143A3241273
- 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/ASAA2026020564678

## Discrepancy

STRINGER 25L,  BS  540 CORRODED. GROUNDED - YES. REMOVED CORROSION FOUND TO BE OUT OF LIMITS IAW SRM 53-00-03-1A-1. REPAIRED THE STRINGER IAW SRM 53-00-03-2R-1. W= .650 O= .045 R= .005 L= 2.25 D= .040.

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