# SDR CALA2026080918368

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 4, 2026
- Submitted: August 10, 2026
- Operation: Air carrier
- Aircraft: [N27520](https://openairdocs.org/aircraft/N27520), registered now
- Make and model: Boeing 737-9
- Registry model: [Boeing 737-9](https://openairdocs.org/model/boeing-737-9) (OpenAirDocs)
- Aircraft serial: 64498
- Aircraft time: 19,030 hours, 6,287 cycles
- System (JASC): [5347 · Fuselage, Seat/Cargo Attach Fittings](https://openairdocs.org/jasc/5347)
- Part: Seat Track
- Part number: 143A5310
- Condition: Corroded
- Location: Zone 200
- 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/CALA2026080918368

## Discrepancy

CORROSION, MAIN CABIN MID WET AREA  SEAT TRACK UPPER CROWN WEB & EDGES  LT OTBD LBL 45.5  BETWEEN BS 500C & 500F.   ACCOMPLISHED SEAT TRACK REPAIR AT MAIN CABIN MID WET AREA AT LBL 45.5 BETWEEN BS 500A & 500B & 500F & 500G IAW SRM: 53-00-52-2R-4.

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