# SDR CALA2025102610522

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 8, 2025
- Submitted: October 27, 2025
- Operation: Air carrier
- Aircraft: [N75435](https://openairdocs.org/aircraft/N75435), registered now
- Make and model: Boeing 737924ER
- Aircraft serial: 33529
- Aircraft time: 51,181 hours, 18,376 cycles
- System (JASC): [5347 · Fuselage, Seat/Cargo Attach Fittings](https://openairdocs.org/jasc/5347)
- Part: Seat Track
- Part number: 146A5350
- 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/CALA2025102610522

## Discrepancy

SUPPORT TASK:  MAIN CABIN SEAT TRACK AT LBL45 STA 700-727 HAS MULTIPLE GOUGES AND CORROSION.  REMOVED CORROSION FROM MAIN CABIN SEAT TRACK STA 700-727 LBL45. MATERIAL REMOVED 0.028, MAX MATERIAL ALLOWED IS 0.020, SEAT TRACK SECTION FOUND OUT OF LIMITS IAW B737 SRM 53-00-52-1A-1. REMOVED DAMAGED SEAT TRACK SECTION, FABRICATED, LOCATED AND DRILLED NEW SEAT TRACK SECTION IAW B737 SRM 53-00-52-2R-3. ALODINED AND PRIMED IAW SRM 51-20-01 AND SOPM 20-41-02. INSTALLED NEW SEAT TRACK SECTION IAW B737 SRM 53-00-52-2R-3.

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